ii 



couoi'iiiiD.K. 245 



about equal, (inathopoda stron*;:, posteriorly setose ; second pair 

 the larger. Tosk-riur pair uf pleopoda not reaching beyond the 

 prweding, having the inner ramus rudimentary, scarcely visible, 

 the outer fiuiiishcd ^\'ith many large setie. Telson single, minute, 

 triangular. Colour fusco-cinereous, with wliite bands. 

 Fimah'. — Stouter, hax^ing the second pair of gnathopoda less than 

 in the male, palm strongly dentate and minutely hii'sute. 

 " Length 5 millim. 



'' Hah. Clayey bottom, in from 14 to IG fathoms, not common." 

 ^LUjchurj. " At Kullcn Promontoiy." — Bruzelius. 



24. Amphithoe VaiUantii. (Plate XLII. fig. 6.) 

 AnipliitlioiJ VaUlautii, Lucas, Exped. dims l''Aly6rie, pi. . f. 3. 



l^yes round, black. Superior pair of antenna) about half the length 

 of the animal ; inferior pair sliorter than the superior. Fii'st pair 

 of gnathopoda having the propodos ovate, palm oblique, slightly 

 concave, defined by a small tooth. Second pair of gnathopoda 

 larger than the fii'st, ha\nng the carpus nearly as long as the pro- 

 jwdos, "nith the inferior margin produced to an anteriorly directed 

 tooth ; propodos subovato, fringed with cilia, having the superior 

 distal angle produced beyond the articulation with the dactylos ; 

 palm concave, very oblique, running almost parallel with the su- 

 perior margin, defined by a strong obtuse tooth or process. Poste- 

 rior pair of pleopoda scarcely as long as the preceding. Sparingly 

 covered with spots over the body and coxae. 



Length ^ths of an inch. 



llah. Algeria (Lucas). 



25. Amphithoe dubia. (Plate XLU. tig. 7.) 

 Anisopus dubias, I'viupletoit, Trans. Ent. Sue. i. pi. 20. 



Eyes round, small. Superior antennae more than half the length 

 of the animal ; pedtmcle having the joints gradually decreasing. 

 Inferior antennae nearly as long as the superior ; vdtimate joint of 

 the peduncle much smaller than the preceding. Pirst pair of 

 gnathopoda slender; carpus as long as the propodos; propodos 

 long, not broader than the carpus, palm inq)erfeclly detiuod, cili- 

 ated ; dactylos half as long as the propodos. Second pair of 

 gnathopoda much larger than the first, having the carpus sliort ; 

 propodos ovate, increasing in diameter towards tlie distal extre- 

 mity ; palm oblique, convex, imperfectly defined, ciliated ; dactylos 

 long, arcuate. Two posterior pairs of pereiopoda having the basa 



