conorniiD.-E. 2G7 



7. Cerapiis pugnax. (I'latk XLV. fig. 7.) 

 IVctilus pufTimx, Dunn, C. S. Explor. Expvd. p. 075. pi. 07. f. 4. 

 '• Superior antonnoe ha\-ing the ba.se about as long as the HagelUnn. 

 Propodos of second pair of gnathopoda vcrj- large, oblong, longer 

 than the dactylos, sparingly erose within, and bearing a few mi- 

 nute, short setaD ; superior and inferior margins parallel ; carpal 

 process short, and bidentate at the apex, upper portion produced 

 but little beyond the base of the process. 



" Hah. Sooloo Sea, East Indies." — Dana. 



8. Cerapus Brasiliensis. (Plate XLV. fig. 8.) 

 Pyctilus Brasiliensis, Dana, U. S. ExiiJor. Exped. p. 97G. pi. 67. f. 5. 



" Coxaj of moderate size. Lateral margin of head salient. First pair 

 of gnathopoda rather large ; cai-pus and propodos broad, and taken 

 together oblong-oval, hirsute below ; meros slightly the longer, 

 rounded at the lower apex ; propodos somewhat oblong ; dactylos a 

 little .shorter than the propodos. Second paii* of g-nathopoda very 

 stout ; carpus very large, oblong, immoveable ; dactylos stout, rather 

 short, bidentate, the extremity of the carpal process not extended 

 beyond the base of the dactylos ; propodos thick, nearly twice as 

 long as the dactylos, much hirsute below, hairs as long as the 

 breadth of the joint. Third pair of pereiopoda rather short, bases 

 nearly orbicular, hairs longish, few ; bases of seventh pair narrow. 



" Length 3 lines. 



" Hah. Dredged with the anchor in the harbour of Rio Janeiro.'' 

 — Dana. 



9. Cerapus ? fasciatus. 

 Cerapus fa.sciatus, Stimpson, Marine Invert. Grand Manun, p. 49. f. .35. 

 " Female. — Elongated. Cephalon narrow. Pcroion very broad in the 

 middle, where the height equals one-third of the breadth. Picon 

 very slender throughout its length, being about one-half the width 

 of the percion. Eyes rather large, rounded, black. Antenna) very 

 slender, with long flagella ; inferior arising much behind, and some- 

 what longer than, the superior, which arc generally thickened at 

 the l)asc. Gnathopoda subcheliform, those of the second paii' the 

 hirger. Pereiopoda slender ; first and second pairs having their 

 basa oval ; last pair longer than the others. Posterior pleopoda 

 very long and slender; antepenultimate pair projecting beyond 

 the others ; last pair short and rather thick, each terminating in 

 two short, curved processes. Colour m iiie-yellow, with narrow 



