196 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.57. 



These specimens are largely mutilated, yet well reveal the charac- 

 teristics of the species. It is of special interest to have found the 

 species in the Bungo Strait, a locality widely separated from its home. 



Genus WATASENIA Ishikawa. 



49. WATASENIA SCINTILLANS (Berry). 



Ahraliopsis scintillans Berry, Nautilus, vol. 25, 1911, p. 93; Japanese Cephalo- 

 poda, 1912, p. 424, pis. 7, 8, and 9, figs. 1-6. 



Watasenia scintillans Ishikawa, Zool. Anz., vol. 43, 1913, pp. 162, .336, 6 figs. — 

 Sasaki, Journ. Coll. Agric. Sapporo, vol. 6, 1914, p. 75, pis. 1, 2; Annot. Zool. 

 Japon., vol. 9, 1916, p. 94. 



Station 4829 (east of Noto Peninsula). Arms of a male. Cat. No. 



332895, U.S.N.M. 



Station 4855 (near Cape Clonard, Korea). One female. Cat. No. 



332896, U.S.N.M. 



Station 4856 (near Cape Clonard, Korea). Five females. Cat. No. 



332897, U.S.N.M. 



Station 4867 (near Cape Clonard, Korea). One female. Cat. No. 

 332899, U.S.N.M. 



Station 4859 (near Cape Clonard, Korea). Three females. Cat 

 No. 332898, U.S.N.M. 



Station 5048 (off Kinka-san, Rikuzen). One female and two males. 

 Cat. No. 332900, U.S.N.M 



Station 5049 (off Kinka-san, Rikuzen). One female. Cat. No. 

 332901, U.S.N.M 



These specimens are all sexually mature except one from sta- 

 tion 5048, which is a 3^ouRg male of 28 mm. mantle length. The 

 female specimens measure 48-60 mm. in mantle length, and all 

 bear spermatophores fixed at the nape. 



Subfamily Ancistrochirinae Pfeffer. 



Genus THELIDIOTEUTHIS Pfeffer. 



50. THELIDIOTEUTHIS ALESSANDRINI (Verany). 



Loligo alessandrinii Verany, C^phalopodes Mediterran6ens, 1851, p. 99, pi. 35, 



figs. f-h. 

 Thelidioteuthis alessandrinii Chun, Tiefsee-Exp. Oegopsida, 1910, p. 104, pi. 7, 



figs. 16, 17.— Pfeffer, Plankton-Exp. Cephalopoda, 1912, p. 178, pi. 18. figs. 



1-29. 



Station 4960 (Hvuga-nada). One specimen. Cat. No. 332936, 

 U.S.N.M. 



This specimen is preserved in an excellent condition, and its 

 mantle measures 26 mm. in length. It differs from Pfeffer's de- 

 scription in the smooth neck, in the roughly ovate Avhole outline of 

 the fins, and in having seven ribs, projections and connectives of the 

 buccal membrane. Furthermore, it has innumerable minute photo- 



