NOTES ON OKGOPSID CEHIALOPODS FOUND IN JAPAN. 91 



5. MoroteMthis lònnbergii Ishikawa & Wakiya 1914. 



Local name : Kagi-ika (Sagami Prov.). 



Moroteuthis lönttbergii, Ishikawa & Wakiya 1914a, p. 445, pis. xlv, xlvi. Hayama, Sagami 

 Hay; Misaki. 



Following specimens were examined by me. 



Number of 

 •specimens 



Mantle-length 



Locality 



Date 



Where preserved 



2* 



162; 170 mm. 



Off Atami, Sagami 



June 24, 1906 



Sci. Coll. 



I * 



210 „ 



Misaki 



June 1895 



do. 



I* 



207 „ 



do. 



August 11, 1896 



do. 



Farn. Enoploteuthidae Pfeffer 1900. 

 Subfam. Enoploteuthinae Chun 19 10. 

 Genus Enoploteuthis Fér. et d'Orb. 1839. 

 6. JijHoptolcuthis chunii Ishikawa 1914. 



Enopklmthis chumi, Ishikawa 1914, p. 401, pis. xxxviii, xxxix. Toyama Hay. 

 Specimens examined by me. 



Specimen 



Mantle-length 



Locality 



Date 



Where preserved 





6.3 mm. 



Uodzu, Etchu 



April 24, 1913 



Agr. Coll. 



1^ 



62 „ 



Namerikawa Etchu 



April 25, 1913 



do. 



I £ 



60 „ 



do. 



May 1913 



do. 



I £ 



81 „ 



do. 



June 2, 1913 



do. 



I £ 



87 ., 



do. 



June 1913 



do. 



This cuttle-fish is often caught, mixed in large schools of Watasenia 

 scintillans (Berry), on the coast of Etchu Prov. Prof. Ishikawa's type 

 specimens of the species have come from that region. The hectocotylized 

 . arm is the right ventral arm, of which it is mainly the distal part that 

 undergoes modification. In the terminal part but a short distance from 

 the extremity, the narrow protective membranes of both sides arc 



