43 



II. Genus Systellaspis Bate 1888. 



SPECIES 



HABITAT 



DEPTH 

 IN FATHOMS 



REMARKS 



affinis (Faxon) 1S96 . . . 

 cristata (Faxon) 1893 . . 



debilis (A. M.-Edw.) 1881 



debilis (A. M.-Edw.) var. 



indica de Man 1916. . . 



echinurus Cout. 191 1 . . . 



lanceocaudata Bate 1888 . 



Oft* Grenada 

 Gulf of Panama 

 Arabian Sea 

 South of Iceland 



West Atlantic between New Vork- 

 and the West Indies 



Fiom South of Iceland to the Bay 

 of Biscay 



South of the Azores 



West of the Cape Verde Islands 



South Atlantic (35°39'S., 8° ió' W.) 



Hawaiian Islands 



Halmaheira Sea 



Off the coast of Portugal 



Oft" Japan 



159 

 H/L 1772 

 890 

 From 411 to 

 2512 

 On a few oc- 

 casions adult 

 specimens and 

 larvae have 

 been caught 

 quite near the 

 surface 



436 



With this species Acanth. 

 gracilis (S. I. Smith) 

 1882 is identical, while 

 Systell. Bouvieri Cout. 

 1905 proved to be a 

 young stage of Systell. 

 debilis. 



345 



III. Genus Acanthephyra A. M.-Edw. 1881. 



acutifrons Bate 1888. 



approxima Bate 1888 . . 

 approxima Faxon 1895 . 



armata A. M.-Edw. 1881 



armata A. M.-Edw. var. fim- 

 briata W.-Mas. 1894. . 



Aru Islands 



800 



The first of the three 

 specimens described 

 by Bate is considered 

 to be the type, while 

 Stanley Kemp has 

 pointed out in 1906 

 that two of the thrce 

 belong probably to 

 Acanth. cnrtirostris 

 W.-Mas. 



