1) Upon drinking 50cc of the water of Unagiyu Spring, Narugo Spa (pH 9.2), 3 sucklings fed with mother's milk showed always higher pH values in their urine as compared with that before the drinking, but little, if any, change in the pH values of their feces. The 3 cases fed with cow's milk showed no change in the pH values of their urine too. When, however, the larger dosis of 300cc is given per child in 3 portions in one day, the infants fed with cow's milk (4 cases) also excreted considerably alkaline urine in 3-6 hours. The pH values of their feces, however, showed little change in these cases, too.
2) Upon drinking 50cc of the water of Takinoyu (pH 2.2), the pH values of their urine fell slightly in both mother's milk fed and cow's milk fed sucklings, but no change was observed in the pH values of their feces.
3) The pH values of the urine show a tendency to alkalinity in normal infants (16 cases) in 1 and 2 hours respectively after drinking 100cc and 200cc of water of Unagiyu. In normal school boys and girls (12 cases), the pH values of the urine also show alkalinity in 1 to 2 hours after drinking 100cc, 200cc or 300cc of the water of the same spring.
4) The urine of normal infants (11 cases) and primary school children (12 cases) show a tendency to slight acidity in 1 to 2 hours after drinking 100cc and 200cc of the water of Takinoyu.

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Upon studying the influence of bathing in Narugo Hot Spring upon the functions of leucocytes, especially their phagocitosis by Mori's method and their migration velocity by Sugiyama's methods and examining the effect on hematological findings in normal children, the author has arrived at the following conclusions:
1) The leucocyte count frankly rises after bathing in the acid (pH 1.6) Genzoyu spring but shows little change after bathing in the alkaline Unagiyu (pH 9.2). The neutrophil cells show a tendency to decrease just after a bath in Genzoyu but increase in 3 hours thereafter, while they increase immediately upon emerging from Unagiyu. The lymphocytes increase and decrease in inverse relation to the neutrophils.
2) The phagocitic ability and migration velocity of the leucocytes are accentuated after bathing in Genzoyu, Unagiyu and Wasedayu, the high level being maintained for 1 to 2 hours thereafter. These faculties are temporarily accentuated after bathing in warm fresh water. When bathing in the Glauher's salt Spring Wasedayu is kept up for some days, the accentuation of the faculties is also maintained on a high level from the first bathing onwards.

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Es wurden die Pyocyaneus- und Colibacillen 6 Jahre lang im Nährboden gezüchtet, welcher das radioakteve Quellensediment von Ikeda für 3 Jahre um 10% und für darauf folgende 3 Jahre um 0.5% enthielt. Das Segment bestand hauptsächlich aus Calciumcarbonat und besass einen Radiumgehalt von etwa 5×10^-10g/g. Die Fähigkeiten der Pyocyaneusbacillen zur Fortentwicklung, Gelatineverflüssigung und Pigmentproduzierung, die alle vor 3 Jahre etwas litten, wurden merkwürdigerweise nach weiteren 3 Jahren wieder hergestellt, weil wahrscheinlich die alterierten Bacillen in den letzten 3 Jahren ausgestorben waren. Die Indolreaktion der Colibacillen nach Salkowski und Kitasato trat aber viel stärker ein als vor 3 Jahren. Ihre Vermehrungsfähigkeit in Endo-Nährboden, die vor 3 Jahren reduzierte, verbesserte sich wieder.
Die 7 Monate lang im mit dem radioaktiven Sediment versetzten Nährboden kultivierten zwei Trochophytonarten (Trichophyton gypseum und scarlatum) wurden weniger fortpflanzungsfähig. Das Aussehen und die Farbe der Kultur unterschieden sich auch von der Kontrollkultur. Der Widerstand der Pilze gegen gewisse Desinfektionsmittel und verschiedene pH-Anderungen setzte sich nach langern Verweilen im radioaktiven Nährboden oft beträchtlich herab, wobei das Trichophyton gypseum sich als weniger resistentsfähig erwies als das Trichophyton scarlatum.

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We have studied the appearance and the frequency of the hot spring bathing reaction (thermal crisis. “Bäderreaktion”) and their influences on the function of the liver, and obtained the following results:
1) The hot spring bathing reaction (thermal crisis) causes a slight functional disturbance of the liver, but not a serious disturbance of the liver parenchym. It may be called a mere functional irregularity of the liver rather than a disturbance of the liver, since it is temporary and reversible.
2) Caution must be taken of the appearance in the patients suffering from the liver or the kidney troubles of the hot spring bathing reaction (thermal crisis).
3) Whether the appearance of the hot spring bathing reaction (thermal crisis) is advisable in the bathing therapy must be examined in detail from other biological view-points, but it cannot be denied entirely that it has some good effects. This, however, is the most essential problem in balneo-therapy, and a conclusion should be reached after making further studies of it.

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The informations we have gathered of the curative treatment at Narugo Spa may be summarized as follows:
1) The number of the spa visitors seeking for curative treatment is almost equally divided between men and women and among those of all ages.
2) The majority of the spa visitors are from Miyagi Prefecture and most of them are from the prefectures in the Tohoku Region.
In winter, the spa visitors are mostly from farm and fishing villages, and in summer, they are mostly from cities: 60 to 70% of the winter spa visitors are farmers.
3) The number of those who come to Narugo Spa for the first time for curative treatment is on the decrease, while that of those who visit Narugo Spa annually is on the increase.
4) The majority (about 60%) of the spa visitors are those for curative treatment of some maladies or for after-care, but only 5% of them have ever consulted doctors for the directions in the hot spring bathing before coming to the spa.
5) Viewed from the classification of disease. it may be said that persons suffering from neuralgia, rheumatism, troubles in the digestive organs and cutaneous diseases are predominant in number and they select a hot spring for curative treatment according to the chemical quality of the spring or to some sort of traditional effectiveness of the spring.
6) The number of days for which they stay at spa for curative treatment is in most cases 16.7 days on the average.
7) About 65% the spa visitors for curative treatment take bath 5 to 6times a day, and only 20% of them take bath less than 4 times a day.
8) Only 20 to 30% of the spa visitors for curative treatment drink hot spring.
9) It may be seen from the above statements that some sort of medical directions should he given to the spa visitors for curative treatment and that the so-called spa physician should be assigned.

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