( 130 ) 



This species has been found only in shells of Rostellana ddicatula, and 

 its right hand forms an almost exact operculum to the bhel!, 

 399—402 



7 



Off Orissa coast, 68 fathoms. 



1765-66 Qjf Ganjam coast, S^3— 89 fath. 



7 



6173-83 

 9 



Off Ganjam coast. 98—102 fath 



r " Investigator. ' 



iHH2. Off Pulicat, 133 fath. 

 7 



4263—69 Northern limits of B. of Bengal, 65 fath. 

 10 



1270 Off Ceylon, 180— 217 fath. 

 10 



ToMOPAGUROPsis, n. gen. 



The gastric shield is the only part of the carapace that is well calcified. 

 Rostrum distinct, though short and broad. 



Abdomen well developed, soft, spirally coiled, only the telson and the 

 last tergum are well calcified. 



Eyestalks of moderate length and stoutness, eyes well developed, 

 ophthalmic scales little distant. Antennal acicle large, flagellum setose. 



External maxillipeds widely separated at base ; the exopodites of all 

 three maxillipeds are flagellate: the palp (endopodite) of the ist maxillae 

 has a recurved flagellum. 



Chelipeds not dissimilar, but unequal, the right being a little the larger : 

 the fingers move in an almost horizontal plane as in Paguristes, and their tips 

 are corneous. 



Fourth pair of legs subcheliform, 5th pair minutely cheliform : in both — 

 as also on both rami of the tail-fan — is the usual subterminal pavement of 

 imbricating granules. 



In the male the first abdominal segment carries a pair of short slender 

 appendages, and the next four somites (2 to 5) have each, on the left side, an 

 unequally-biramous appendage. In the female there are only the four un- 

 equally-biramous appendages on the left side (somites 2 to 5). The telson 

 and uropod are more developed on the left side. 



The gills are 13 in number on either side, arranged as in Paguropsis, 

 Paguristes, Clibanarius, Diogenes, Troglopaguvns, and Pylopagiiropsis. The gill- 

 filaments, which are in two rows in each gill-plume, are very long and lax, and 

 are bifid at tip. 



ToinopagHfopsis agrees with Tomopagunis E. and B. in the fact that the 

 male carries a pair of appendages on the first segment of the abdomen ; but 



