BXPI.ANATION OF PLATE XX. 



Caridina weheri, de Man, var. 



Fig. 26. — Part of first peraeopod of a specimen of the race in- 

 habiting the Brahmaputra river system. 

 -Part of second peraeopod of the same specimen. 

 -Part of fifth peraeopod of the same specimen. 



Caridina hodgarti, sp. no v. 



-Part of first peraeopod. 

 -Part of second peraeopod. 

 -Part of fifth peraeopod. 



Caridina excavata^ sp. nov. 



-Part of first peraeopod. 



-Part of second peraeopod. 



-Part of fifth peraeopod. 



-Apex of dactylus of fifth peraeopod, further enlarged. 



