OKAMURA AND NISHIKAWA 



Loc. in Japan : Kushimoto in 

 Mutsu (T. Nishikawa coll.). 

 Other known loc. : W. Coast 

 Channel ; Norway ; Beeren Island. 



Prov. Kii, and Awomori in Prov. 

 of Africa; Iceland; the Faroe 



Ceratium (usus va >"- concava Gourr. 



(Fig. 24). 



Gourrct, '83, p. 53, pl. IV, fig. 64. 



Loc. in Japan : Awomori in Prov. Mutsu (T. Nishikawa coll.). 

 Other known loc. : Probably same as those of the typical species. 



Ceratium filSUS var. strida nov, var, prov. 

 (Fig. 25). 



This variety is characterised by the angular flexure of the left 

 horn at its origin and by the straightness of all the horns. We regret 

 that we are not able to obtain an exact idea as to the characters of C. 

 {fusus var.) geniculatum Lernm.) as Lemmermann's Abb. d. Naturw. Ver. 

 Bremen, Bd. XVI, H. 2, does not stand at our disposal. 



Loc. in Japan : Kushimoto in Prov. Kii (T. Nishikawa coll.). 



