N0.1199. CRUSTACEANS OF WEST AFRICA— BATHBIJN. 309 



CALLIANASSA DIADEMATA Ortmann. 

 CalUanassa diademata Ortmann, Zool. Jahrb., Syst., VI, 1891, p. 56, pi. i, fig. 11, 

 Range. — Africa, probably West Africa (Ortmann). 



Genus UPOGEBIA Leach. 



UPOGEBIA FURCATA (Aurivillius) . 



Gebia fnrcata Aurivillius, K. Sv. Vet.-Akad. Handl., XXIV, 1898, p. 13, pi. i, 

 figs. 5-7. 

 West African locality. — In decaying fragments of wood, rivers of 

 Bibundl, Kamerun (Aurivillius). 



Tribe LORICATA. 

 Family SCYLLARID^. 



KEY TO THE WEST AFRICAN GENERA OF THE FAMILT SCYLLARID^. 



A. Exognath of external maxillipeds with a flagellum; rostrum promiuent. 



Scyllarides. 



A'. Exognath of external maxillipeds without a flagellum; rostrum very short, 



truncate Scyllarus. 



Genus SCYLLARUS Fabrieius. 



SCYLLARUS ARCTUS PARADOXUS Miers. 



Scyllarus {Arctus) arctus var. paradoxus Miers, Ann. Mag. N. H. (5), VIII, 1881, 

 p. 364. 



West African localities. — Goree Bay, Senegal, 9 to 15 fathoms (Miers). 



The typical form of this species is found not only in western and 

 southern Europe, and at Madeira, the Canaries, and Azores (Mus. 

 Comp. Zool.), but there are specimens in the U. S. National Museum 

 from off Cai^e Hatteras, North Carolina, 49 fathoms {Albatross station 

 2596), from Pensacola, Florida, and from Mazatlan, Pacific coast of 

 Mexico. It is quite distinct from ;iS'. americanus (Smith) = S. gundlachi 

 von Martens, of the West ludian region. 



Genus SCYLLARIDES Gill. 



SCYLLARIDES LATUS (Latreille). 



Scyllarus latus Latreille, Hist. Nat. Crust., VI, 1803, p. 182. 



Scyllarus herMotsii Pel, in Herklots, Addit. Fauna Afr. Occ, 1851, p. 14, pi. ii, 



figs. 14, 15. 

 Scyllarus dehaani Herklots, Addit. Fauna Afr. Occ, 1851, p. 14, pi. ii, figs. 12, 13. 



Range. — Mediterranean; Portugal; Azores (U.S. KM.); West Africa, 

 including islands; Cuba (von Martens). 



West African localities. — Canaries (Milne-Edwards); near Boutry, 

 Guinea (Herklots); St. Helena (Bate). 



