H1PP0LYTE. 123 



Pound by Mr. Thompson in Weymouth Bay, in from 

 five to seven fathoms water. The Rev. Alfred Norman 

 writes to me, " I think that this must be added as a syn- 

 onym to H. Cranckii. . . . Great latitude must be allowed 

 to the Palamonidae in the teething of the rostrum." 



Hippolyte Thompson!, Bell. — Beak straight, deep, 

 sharp, continuous, with a sharp keel which extends from 

 near the hind margin of the carapace, with eight teeth, four 

 of them on the carapace ; beneath, with three minute teeth 

 near the tip. Nearly an inch long. 



Described by Professor Bell from a single specimen, ob- 

 tained by Mr. Thompson of Belfast from the north-west 

 coast of Ireland. Mr. Gosse* found it on the Devonshire 

 coast. He remarks that the denticulations on the upper 

 edge of the beak are not simple serratures, but are triangu- 

 lar spines articulated to the edge. 



Mr. Thompson, of Weymouth, observes that the ova are 

 of a dirty green. The Rev. Alfred Norman, in some notes 

 on British Crustacea, with which he has favoured me, re- 

 marks, " I have never seen the teeth below so large as they 

 are represented by Professor Bell ; they are, in fact, all but 

 invisible to the naked eye. In some specimens preserved 



* Ann. and Mag. 1853, p. 155. 



