BLEANG «TILL sKaSV. METSAKAD: HANDL., BAND. dl, ;N:0, 16. 34 
TIO RpronoidesnAsp: 
Diagn. Body compressed, smooth. Head shorter than 
pereion; rostrum a little shorter than the rest of the head, 
sharp-pointed. First pair of pereiopoda not cheliform ; inferior 
margin of carpus strongly denticulated; dactylus very short. 
Second pair subcheliform: inferior margin of carpus denticu- 
lated; dactylus very short. Femur of sixth pair with tbe genu 
articulating subterminally. Seventh pair as long as femur of 
sixth. Last ural segment almost as long as telson. Peduncles 
of first pair of uropoda a little longer than rami. Telson very 
long, much longer than last pair of uropoda. 
DD 
Hab. Caribbean Sea. 
3..O. Steenstrupi, n. sp. 
Diagn. Body compressed, smooth. Head longer than 
pereion; rostrum short, sharp-pointed, as long as a third of 
the rest of the head. First two pairs of pereiopoda subcheli- 
form, inner margins of carpi and metacarpi smooth, not serrated. 
Seventh pair much longer than femur of sixth. bDLast ural 
segment as long as telson. Interior rami of uropoda not coa- 
lesced with the peduncles. Peduncles of first pair longer than 
rami. Telson long, much longer than last pair of uropoda. 
Hab. Atlantic. 
9. O. longiceps, Craus, 1879. 
»Die Gattungen und Arten der Platysceliden.» Arbeiten aus dem Zool. 
Inst. der Universität Wien und der Zool. Station in Triest. Tom. 2, 
p. 194 (48). 
Hab. Zanzibar. 
10. OO. typhoides, Cravs, 1879. 
Töre p- LOSK(£O0): 
" Hab. Zanzibar, Mediterranean. 
11. O. scleroticus, H. STREETS, 1878. 
»Pelagic Amphipoda.> Proc. of the Acad. of Nat. Hist. of Philadel- 
phia, 1878, p. 283, pl. 2, fig. 3. 
Hab. Tropical parts of Pacific, Indian Ocean. 
