516 APPENDIX. 
long and prominent. Third joint of the peduncle short and 
stout, and furnished at the infero-anterior angle with a strong 
tooth and a few hairs. Fourth and fifth joints long, slender, and 
subequal. The flagellum consists of eight articuli. First pair 
of gnathopoda slender; propodos shorter and not broader 
than the carpus, furnished with numerous and long hairs; 
dactylos short and impinging closely on the palm. Second 
pair long and well developed; carpus distally dilated: pro- 
podos subconfluent with the carpus, long, broad; inferior and 
superior margins subparallel; palm oblique, armed near the 
centre with a broad flat-headed tubercle, furnished with a few 
hairs, slightly posterior to which is a double-cusped process, 
or strong tooth, between the two points of which the apex of 
the dactylos impinges; and at the infero-anterior angle are 
two prominences, carrying one or two strong straight spines : 
the dactylos is very robust, abruptly curved, sharp at the point, 
and shorter than the palm. Posterior pair of pleopoda (want- 
ing). Telson double-lobed ; each lobe surmounted by a single 
spine. 
Hab.—Guernsey, where it was taken by the Rev. A. M. 
Norman. 
