A Synopsis of the British Pagiiridm. 67 



Hob. — Several localities on the south coast, first found in 

 Britain by Spence Bate at Swansea. It is a common Medi- 

 terranean species, occurring also in the Black Sea and 

 Adriatic, and extends from the English Channel to the 

 African coast as far at least as Senegambia. If B, hrevirostris, 

 Stm., should prove to be merely a synonym of this species, 

 its foreign range extends to the Cape of Good Hope. 



Genus, Pagurus (Fabr.), Dana. 



Dana, I.e., p. 449 (1852) ; Stimpson, I.e., p. 71 (1858). 



Front straight towards the middle, ophthalmic segment 

 exposed. Eye-peduncles stout, the basal scales short; 

 antennal acicle short and robust, the flagellum long and 

 naked. Chelipedes rarely subequal, the left usually larger, 

 fingers moving in a vertical plane, slightly excavated infe- 

 riorly, and corneous at the tips. Feet of the fourth pair 

 usually chelate. Abdomen of male without genital appen- 

 dages. 



Pagueus fasciatus. 



Pagurus fasciatus, Bell, Brit. Crust., p. 375 (1853) ; White, Pop. Hist. Brit. 

 Crust, p. 76 (1857). 



Carapace smooth and even, rounded anteriorly, slightly 

 emarginate posteriorly. Internal antennse not twice the 

 length of the peduncle of the external; the eye- stalks slightly 

 curved outwards, and as long as the penultimate joint of the 

 external antennse. Left chelipede large, the hand broadly 

 ovate and smooth, the arm and wrist very short. Eight 

 chelipede smaller, but similar to the left. Propodi of the 

 ambulatory limbs ciliated on their lower borders, the fourth 

 pair of legs chelate at their extremities. Body and limbs 

 distinctly marked with alternate bands of red and blue. 



This obscure species was described by Professor Bell from 

 a coloured drawing executed by Mr Cocks of Falmouth, and 

 he states that the accuracy of delineation of the latter may 

 be implicitly relied on. If the figure in " British Crustacea " 

 is a correct reproduction, this statement requires modifica- 

 tion, as it is there represented with no cervical groove on the 



