NOTES ON OEGOPSID CEPMALOPODS FOUND IN JAPAN. I03 



Genus Meleagroteulhis Pfeffer 1900. 



16. Meleagrotetit his separata Sasaki 191 5. 



Meleagroteuthis separala, Sasaki 1915, p. 131, text-figs, r, 2. Misaki. 



This is a species closely allied to MelcagroteutJiis Jioyki Pfeffer, but 

 differs from it (1) in the suckers of the distal parts of tentacular club being 

 equal, small and grouped together without continuity to the series of 

 suckers of the hand-portion, (2) in the luminous organs of the ventral pair 

 of arms being arranged in nine series in the proximal parts, and (3) in the 

 horny tubercles of the back of mantle being seventeen in number and small 

 in size. 



Farn. Ommastrephidse (Steenstrup 1861). 

 Subfam Ommaslrephinae (Gill 1871). 



Genus Ommastrephes d'Orbigny 1835. 



17. Ontttiastrei>hes sloani pacifions (Steenstrup 1SS0). 



Local name : Surume-ika (Tokyo, Sagami, Settsu, 

 Hokkaido), Ma-ika (Etchu, Kaga). 



ToJaroJcs pacifiais, Steenstrup 1880, pp. 83, 90, etc. Hakodate. Hoyle 1S86, p. 163, pi. 



xxviii, figs. 1-5. Inland Sea. Joubin 1897, P- io 3- Vladivostok. 



Ommastrephes pacifiais, Appellöf 1886. p. 35, pl. iii, figs. 8-10. Nagasaki. 



Ommatosirephes sagittaius var. sloani,? Wiilker igio, p. 21. Misaki; Todohokke, Hokkaido. 



Ommastrephes sloani, Berry 1912a, p. 433, pi. vi, fig. 4. Tomakomai, Iburi Prov. ; Hakodate; 



Tokyo; Misaki. 



Ommatosirephes sloani pacifiais, Pfeffer 1912, p. 456, pi. xxxiv, figs. 3-6. Japan. 

 Ommastrephes sloani pacifiais, Ishikawa 1913, p. 586, 4 figs. Misaki; Niigata; Miye; Uodzu. 

 Etchu Prov.; Iwami Prov. 



This species is the commonest Oegopsid cuttle-fish found in Japan, and 

 has a wide distribution extending from Kiushu to Hokkaido, on both the 

 Sea of Japan and the Pacific Ocean sides. To it is referable the common 

 -dried cuttle-fish called " Nibanzurume" by the traders. The following is 

 a list of specimens examined by the author. 



