(1) The toe and finger prints of the Sakhalin Ainu and Sakhalin AinuJapanese hybrids used in the report were obtained from evacuees from Sakhalin to Hokkaido after World War II.
(2) The frequencies of the types of configurations on toes and fingers of Sakhalin Ainu and Mixed Ainu are listed in this table.
(3) The percent frequencies of toe and finger print types for Sakhalin Ainu fall between those of Hokkaido Ainu and of the Japanese studied in a previous report.
They are featured by Ainu characteristics. But their manifestation is slighter than that of the Hokkaido Ainu. They do not show a significant difference from such local Hokkaido Ainu groups as presenting comparatively less conspicuous features than other groups in Hokkaido where the Ainu show various characteristic manifestations. For the results of local groups refer to the author's report"Local Characteristics of the Ainu and Mixed Ainu in Hokkaido viewed from Toe Prints" in the December, 1956 issue of this journal.
(4) The results of the survey of the Sakhalin Ainu show no difference from those of the Sakhalin Ainu-Japanese hybrids.
In the present report what is described as Ainu hybrids is solely derived from the data in terms of hybrid between Sakhalin Ainu and Japanese. However, although backgrounds were carefully checked yet it must be admitted that the so-called Sakhalin Ainu presented may not necessarily have been established on one hundred per cent pure factors, because it seems difficult to ascertain definitely how long ago it was that Sakhalin Ainu began to mingle with the Japanese. Moreover there is a probability that there may be other blood in the Sakhalin Ainu than their own. The present classification may, however, be said to have been made on as fairly dependable a basis as is available present.
The author's previous report dwelt on a comparative study between Hokkaido Ainu and Ainu-hybrid convincingly classified on detailed data. He has come to conclusion that even those data belonging to the so called Ainu may be constitutionally classified as those of hybrids so as they are not so different from those of Ainu hybrids and they are far short of being Ainu-like. This conclusion seems safely applicable to the case of the Sakhalin Ainu.
Accordingly it is inferred that the present data of Sakhalin Ainu which show little difference from Sakhalin Ainu hybrids can not be regarded as data of constitutionally pure native Sakhalin Ainu. These data can be reasonably regarded as those of Sakhalin Ainu-Japanese hybrids. It is assumed that pure native Sakhalin Ainu may show much more intensified Ainu features than those reported in the present paper.

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In order to see the growth change of the ear-form in Japanese people, 6, 590 boys and 6, 456 girls from infancy to 15 years of age were studied after the method of Prof. TUBAKI. All the materials were classified and recorded after the schemes of Prof. TUBAKI and treated statistically.

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The aspect of the development of knotting method is different in each race. This is due to the geographical location of the uncivilized people or race and secondly to different types of string materials produced in the regions in which they live.
In this paper, the author has ascertained the relation between the development of knotting methods and the kinds of string materials used. The conclusions are as follows : (1) Not only the Eskimo but also the American Indians and the African natives very frequently use animal skins as string material. (2) There are as many different types of knots among uncivilized peoples, as among civilized peoples. The reason seems to be that each race develops many kinds of knots in the course of ages, though the original period of use differ according to races owing to the diversity of string materials available in the regions. In this case, the degree of the adaptation of individual material to each type of knot can be indicated by the frequency of the knotting usage(%). (3) In the southern parts of the world, bamboo and vegetable fiber are very frequently used as string material, but it is very difficult to make complicated or intricate knots with bamboo.

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