1922.] 



S. Kemp : Notes on Crustacea Decapoda. 



149 



the allied species, the length from the base to the bottom of the 

 cleft being only twice the basal breadth. 



The sixth abdominal somite is less than twice the length of 

 the fifth. The anterior pair of dorsal spinules of the telson are 

 placed in the middle of its length, the posterior pair midway 

 between the anterior and the apex. The external margin of the 

 outer uropod is ciliated. 



Text-fig. 17. — Periclimenes impar, sp. nov. 



a. First peraeopod. c. Third peraeopod. 



b. Larger second peraeopod. d. Dactyl us of third peraeopod. 



The species is described from a single ovigerous female about 

 10 mm. in length. 



C 348/1. Port Blair, Andamans, S. Kemp, March, One, Type. 



5 fms. 1915. 



The specimen was found on a sponge of a pinkish colour and 

 was transparent when alive with reddish patches on the abdominal 

 pleura. 



Periclimenes (Periclimenes) parvus Borradaile. 



1898. Periclimenes parvus, Borradaile, Ann. Mag. Nat. Hist. (7) II, 

 p. 384. 



