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Article type: Cover
1954 Volume 4 Issue supple Pages
Cover2-
Published: March 03, 1954
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Article type: Appendix
1954 Volume 4 Issue supple Pages
App1-
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Article type: Appendix
1954 Volume 4 Issue supple Pages
App2-
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[in Japanese]
Article type: Article
1954 Volume 4 Issue supple Pages
i-ii
Published: March 03, 1954
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[in Japanese]
Article type: Article
1954 Volume 4 Issue supple Pages
iii-iv
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Article type: Appendix
1954 Volume 4 Issue supple Pages
v-
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Article type: Appendix
1954 Volume 4 Issue supple Pages
vi-xv
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Article type: Appendix
1954 Volume 4 Issue supple Pages
xvi-xxxii
Published: March 03, 1954
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Article type: Index
1954 Volume 4 Issue supple Pages
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HISAKICHI MATSUBAYASHI, HIKARU TAZAKI
Article type: Article
1954 Volume 4 Issue supple Pages
1-5
Published: March 03, 1954
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MINORU OKINAMI
Article type: Article
1954 Volume 4 Issue supple Pages
6-7
Published: March 03, 1954
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MINORU YOKOTA
Article type: Article
1954 Volume 4 Issue supple Pages
8-14
Published: March 03, 1954
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KANJI NAGANO
Article type: Article
1954 Volume 4 Issue supple Pages
15-16
Published: March 03, 1954
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ICHIRO MIYAZAKI
Article type: Article
1954 Volume 4 Issue supple Pages
17-24
Published: March 03, 1954
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NOBUTARO ISHII, KAMEO MITOBE
Article type: Article
1954 Volume 4 Issue supple Pages
25-30
Published: March 03, 1954
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SABURO SUGIURA, TAKASCHI SASAKI, UKIO HOSAKA
Article type: Article
1954 Volume 4 Issue supple Pages
31-40
Published: March 03, 1954
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SHIGEO HAYASHI
Article type: Article
1954 Volume 4 Issue supple Pages
41-53
Published: March 03, 1954
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SEIJI KUME, ISAMU OISHI, KOZO NAKAZAWA
Article type: Article
1954 Volume 4 Issue supple Pages
54-60
Published: March 03, 1954
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ISAMU SAWADA
Article type: Article
1954 Volume 4 Issue supple Pages
61-74
Published: March 03, 1954
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KOYO OKABE, MASANORI HIGUCHI
Article type: Article
1954 Volume 4 Issue supple Pages
75-78
Published: March 03, 1954
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TETUO MORISITA, MIZUHO KOBAYASI
Article type: Article
1954 Volume 4 Issue supple Pages
79-88
Published: March 03, 1954
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Studying on ascarid immunity of the infected guinea-pigs, we obtained the next results : 2. The polysaccharide fraction of the pig ascarid ingredient is somewhat labil in its desolved state, its specific antigenity decreasing gradually during several months. 2. In every point the polysaccharide fraction of the pig ascarid ingredient is quite similar to that of the ascarid metabolites, after the results of the skin test, chromatography and melting-points. 3. Regarding the protein fraction of the pig ascarid ingredient, the albumin- and globulin-components show no distinct difference after the results of the skin test. 4. The acquirement of the antigenity during the development of the ascarid eggs may not depend on the qualitative change of the components, but on the number of germ cells. 5. No difference was proved in their antigenity between the organs of the ascarid; skin, reproductive organs, intestine and body cavity fluid.
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SHIRO ITAGAKI, MORIO TANIGUCHI
Article type: Article
1954 Volume 4 Issue supple Pages
89-100
Published: March 03, 1954
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YASUSUKE NAGAYOSHI
Article type: Article
1954 Volume 4 Issue supple Pages
101-113
Published: March 03, 1954
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TOJI OGATA
Article type: Article
1954 Volume 4 Issue supple Pages
114-125
Published: March 03, 1954
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SATYU YAMAGUTI, SEIICHI INATOMI, MICHIYA KIMURA
Article type: Article
1954 Volume 4 Issue supple Pages
126-134
Published: March 03, 1954
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GISYU MATSUSAKI, BENICHIRO MATSUKAWA, MASAFUMI TAKAHASHI, YUKITADA MOT ...
Article type: Article
1954 Volume 4 Issue supple Pages
135-149
Published: March 03, 1954
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SHUJI HOSOKAWA
Article type: Article
1954 Volume 4 Issue supple Pages
150-158
Published: March 03, 1954
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KATSUO AKAGI
Article type: Article
1954 Volume 4 Issue supple Pages
159-166
Published: March 03, 1954
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YOSHITAKA KOMIYA, KAZUO YASURAOKA
Article type: Article
1954 Volume 4 Issue supple Pages
167-176
Published: March 03, 1954
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TAKATERU OHSE
Article type: Article
1954 Volume 4 Issue supple Pages
177-185
Published: March 03, 1954
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RYO TANAKA
Article type: Article
1954 Volume 4 Issue supple Pages
186-193
Published: March 03, 1954
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1. We have reasons to think that the census method using E(Y)=(N-x)p is most highly appreciable in practice for the present, the equation holding on the assumptions that events of capture for marked and unmarked animals are independent of each other and respective probability of the event for both is constant; P of y=(x/P)^β seems to give some underestimate as compared with N, but the index β keeping its meaning as before may still characterize general trap response of a population. Thus a revised method for measuring post-poisoning populations was devised on the basis of principles of the former equation. 2. Field works were executed with Microtus-populations to make practical use of this procedure; the reduction ratio of them was computed as about 0.1 by applying previously known values of P and π for want of the data, the results approximating round numbers of kills which were on biological grounds determined from the consuming frequency of poison baits. The "new object reaction" of the populations was found plainly smaller to the powerful baits than to traps, accordingly, for this species tending to have lesser trappability, enumeration of kills from the consuming frequency of poisons would seem practically of more advantage over estimation by trapping.
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OSAMU SINODA
Article type: Article
1954 Volume 4 Issue supple Pages
194-199
Published: March 03, 1954
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HIDEO TANAKA, MASUO IKUZAWA, HIROSHI SUGIYAMA
Article type: Article
1954 Volume 4 Issue supple Pages
200-208
Published: March 03, 1954
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TSUNEKICHI UEDA
Article type: Article
1954 Volume 4 Issue supple Pages
209-216
Published: March 03, 1954
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JIRO YAMASHITA, RYOICHI HAGA
Article type: Article
1954 Volume 4 Issue supple Pages
217-223
Published: March 03, 1954
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We have collected many ectoparasites from ten bats, Nyctalus maximus aviator THOMAS, caught alive in a hole of a tree, Betula ermanicham var. communis, in the botanical garden of our university. These parasites were as follows : 1. Spinturnix vespertilionis SCOPOLI 2. Liponyssus britanicus RADFORD 3. Ischnopsyllus elongatus (CURTIS) 4. Cimex pipistrelli JENYNS 5. Unidentified species The last one was defective, the body having been so destroyed that the identification was difficult. Four species of these parasites were studied morphologically and described.
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TAKESHI KODAMA, FUMIO HARADA, JOJI ISHII, TAME NAKAGAWA, SHOSABURO KIK ...
Article type: Article
1954 Volume 4 Issue supple Pages
224-232
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MANABU SASA
Article type: Article
1954 Volume 4 Issue supple Pages
233-251
Published: March 03, 1954
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1. The correct nomenclature of the four species of Trombicula (Leptotrombidium) described by Nagayo and others, namely pallida, palpalis, intermedia and scutellaris, was discussed together with the designation of the original paper, lectotypes and type localities of these species. 2. Morphological characterisitics of larvae of Trombicula scutellaris under the present taxonomical aspects were discussed. They are morphologically most closely related to Trombicula akamushi, the vector of the classical Tsutsugamushi disease, but are considered to be definitely of different species. 3. Out of about 200 times of collections made by the author and his colleagues for search of Tsutsugamushi covering all of the four main islands of Japan, Trombicula scutellaris was recovered from 12 regions of Izu Islands, Chiba, Shizuoka, Fukui, Kyoto and Kagoshima Prefectures. The species was also recorded by Nagayo and others from Yamagata and by Kawamura and others from Niigata in the same locality as they collected akamushi. The species was considered not so widely distributed as such species like fuji, pallida, kitasatoi or G. saduski. 4. The seasonal distribution of this species is peculiar in its appearance restricted in autumn in northern regions and longer through late autumn to early spring in southern regions like Hachijo Island. 5. Larvae of this species were readily collected from ground surface of infested area by black plates or by boots, as was observed in other human biting chiggers like akamushi. The species was also proved to take a very wide range of hosts in rodents, domestic animals or birds, suggesting that humans could not be the exception. 6. The new type of Tsutsugamushi disease defined here as "winter scrub typhus" was discussed. Through epidemiological studies and ecological observation on mites, Trombicula scutellaris was suggested as the vector of this disease in Izu Islnd, Chiba and other areas. The disease highly prevalent in Hachijo Island and possibly in other areas is characterized in its occurrence in the winter season, extremely low mortality, high morbidity rate of young children and the almost equal sex ratio. 7. The possibility that the recovery of Trombicula scutellaris from certain areas would suggest the occurrence of the disease was discussed. On the other hand, exmaples of the occurrence of the similar type of the disease from regions where no specimens of this species was recovered and certain other species like pallida was abundantly collected were given. In view of the assumption that there would be much more localities in and outside of Japan where Trombicula scutellaris occurs without being discovered, and that other more widely distributed species like pallida may also act as the accidental vector, it is highly probable that winter scrub typhus might have been very widely scattered in rural areas of Japan under the misdiagnosis with related diseases like murine typhus.
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KAORU MORISHITA
Article type: Article
1954 Volume 4 Issue supple Pages
252-254
Published: March 03, 1954
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YUKIO SHOGAKI
Article type: Article
1954 Volume 4 Issue supple Pages
255-259
Published: March 03, 1954
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1. I was engaged in a survey of rodents and their parasitic fleas in Inner Mongolia from February 1944 to June 1945. I would like to discuss in this paper information obtained on house-rats and their fleas. 2. I collected 147 Rattus norvegicus norvegicus and 15 Mus molossinus in 6 districts of Inner Mongolia. 3. The flea fauna of Rattus norvegicus norvegicus were comprised of 4 genera and 4 species as follows : a. Xenopsylla cheopis (Rothschild, 1903) -289 (65%) b. Monopsyllus anisus (Rothschild, 1908) -128 (29%) c. Nosopsyllus fasciatus (Bosc, 1801) -26 (6%) d. Pulex irritans Linnaeus, 1758 -5 (1%) 4. The average number of fleas per Rattus norvegicus norvegicus was 3.0 and the average number of Xenopsylla cheopis per R. n. n. was 2.0. 5. The house-rat and flea fauna of Inner Mongolia is similar to that of North China.
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MISAO NAGAHANA
Article type: Article
1954 Volume 4 Issue supple Pages
260-290
Published: March 03, 1954
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ROKURO KANO
Article type: Article
1954 Volume 4 Issue supple Pages
291-295
Published: March 03, 1954
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KATSUSHIGE HORI
Article type: Article
1954 Volume 4 Issue supple Pages
296-299
Published: March 03, 1954
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During the past several years the writer has collected some interesting sarcophagid flies which seem to be new to science. In the present paper the descriptions of three new species are given. The type specimens treated here are preserved in his collection. Before entering the subject, the writer wishes to express his sincere thanks to Prof. Dr. M. Kato of the Tohoku University for his cordial guidance and encouragement. The writer is also much indebted to Dr. H. Kobayashi, Prof. Dr. M. Tokunaga and Prof. M. Kumano for their kind advice in many ways for his study. Finally the writer is most grateful to Dr. E. Seguy for his valuable criticism.
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MICHIYUKI MURAE
Article type: Article
1954 Volume 4 Issue supple Pages
300-303
Published: March 03, 1954
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In order to be acquainted with the kind of flies in Yonago district, I classified them which were caught on the dumping ground near the students dining-room, for a year. The total number was 13371, made up as under : Musca spp. 12360 92.4% Lucilia spp. 504 3.8% Sarcophaga spp. 471 3.5% Calliphora spp. 36 0.3%
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MUTSUO KATO, MITSUO YOSHIMEKI, FUJIO TAKAHASHI
Article type: Article
1954 Volume 4 Issue supple Pages
304-308
Published: March 03, 1954
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KEN'ICHI NOMURA, HIDEO FUTATSUGI
Article type: Article
1954 Volume 4 Issue supple Pages
309-315
Published: March 03, 1954
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In order to examine the periodical occurrence theory in mosquitoes, introduced by S. Shibata in 1948, the authors investigated the larval instar-ratio of malaria mosquito Anopheles hyrcanus sinensis Wiedemann in the rice-field at Matsudo, Chiba Prefecture. If Shibata's theory is just, the periodical change of the instar-ratio must be regular as shown in Fig. 1 (black : young stage, oblique line : old stage). But from the investigation data in years 1951 and 1952 (Fig. 2), the authors are unable to recognize the above-mentioned tendency. The variation of instar-ratio is not small, but the authors consider that the percentage of young stage is higher in general except after heavy rains (in Fig. 2 the mark shows the case). Moreover, the authors have to point out the relationship between the seasonal changing of instar-ratio (Fig. 2) and the population density of adult. For example, the falling of young stage ratio toward August may be controlled by the decrease of adults. As the conclusion the authors oppose Shibata's theory so far as the species occurred in the rice-field is concerned.
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MASAMITSU OTSURU, HAJIME KAMO
Article type: Article
1954 Volume 4 Issue supple Pages
316-323
Published: March 03, 1954
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KENJI MOMMA, TAZO TAKAHASHI
Article type: Article
1954 Volume 4 Issue supple Pages
324-328
Published: March 03, 1954
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TERUHIKO HOSOI
Article type: Article
1954 Volume 4 Issue supple Pages
329-335
Published: March 03, 1954
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SUSUMU SHIBATA, HIROYOSHI OKA
Article type: Article
1954 Volume 4 Issue supple Pages
336-341
Published: March 03, 1954
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NANZABURO OMORI
Article type: Article
1954 Volume 4 Issue supple Pages
342-350
Published: March 03, 1954
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1) Observations and colletions of swarms of Culex pipiens pallens were made from May through November, 1950 at Sinmei town, Fukui prefecture. 2) The percentage number of female against male in the swarming population is somewhat variable according with the season, but as a whole, the value was about one percent. This suggests that in the course of evening swarm of this mosquito species, one female against 100 males will be always found without regard to the place, time and season. 3) The males of this species continue the swarm formation during a period of one month or more after the females ceases from entering house or cow-shed to feed, showing that the swarming habit survives the feeding habit at low temperatures below 15℃. in average for month. The last female in a swarm was obtained as late as on 24th November. 4) The starting time of swarming is at 15-10 Lux in mid Summer but in mid October it is at 500 Lux or above and in the last part of the month it is at about 1200 Lux and finally in late November it is at about 1700 Lux, showing that the time progressively getting fast mainly with the days becoming short and partly with the decrease in temperature when it is below 20℃. or so. 5) 285 individuals (243♀ and 42♂) belonging to eight species were found mingling within the swarm of this species, of which C. tritaeniorhynchus was the most numerous. It is strange that the total number (197) of the female mosquito of the above species by far precedes that (110) of the female of C. pipiens pallens itself. 6) Considerations on the functions of swarming and on the factors governing swarm formation were made.
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