;;,si) PROCEEDINGS OF THE ACADEMY OF [July, A CATALOGUE OF JAPANESE CEPHALOPODA. by s. stillman berry. Introduction. While engaged in a somewhat comprehensive study of the Ceph-alopod fauna of the Hawaiian Islands, the writer found himself impelled to consider the possibility of correlation with that of other regions of the Pacific, notably Japan, whence so many bizarre and interesting types have been described. In pursuance of this a simple catalogue was first compiled, then a fairly detailed list of references added, and finally, when the collections of Stanford University proved to be surprisingly rich in material from this region, a mass of other data was accumulated. The greater part of all this is now offered' in the present paper. The aim is merely to present a bibliographic catalogue of all the cephalopod mollusks known to occur within the waters of the Japanese Empire, with the addition of a few more or less pertinent notes regarding such species as have chanced to come under the personal observation of the writer. As already indicated, the bulk of this material was furnished by the zoological collections of Stanford University, where it owes its origin chiefly to the Jordan and Snyder Expedition to Japan in 1900. As the purpose of this expedition was mainly ichthyological, no special effort was made to secure a large collection of cephalopods, but the species which were incidentally obtained are fairly numerous and frequently of considerable interest. In addition to the above, mention should be made of a small series of cephalopods secured by Dr. David Starr Jordan at Fusan, Korea, in 1911, and a few taken at Takao, Formosa, by Mr. Hans Sauter, which are likewise in the Stanford University collections. Through the courtesy of Mr. Samuel Henshaw, I have also had the privilege of examining a large series of Euprymna from Hong Kong in the Museum of Comparative Zoology. Lastly, but very fortunately, I have been enabled, through the signal kindness of Prof. A. E. Verrill, to secure the loan of an inexten-sive but unusually interesting series of small squids, including cotypes of two important species, taken many years ago by Prof.
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