EXPLANATION 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. 

 ,, 27. — Part of second peraeopod of the same specimen. 

 ,, 28. — Part of fifth peraeopod of the same specimen. 



Caridina hodgarti, sp. no v. 



,, 29. — Part of first peraeopod. 

 ,, 30. — Part of second peraeopod. 

 ,, 31. — Part of fifth peraeopod. 



Caridina excavata^ sp. no v. 



,, 32. — Part of first peraeopod. 



,, 33. — Part of second peraeopod, 



,, 34. — Part of fifth peraeopod. 



,, 35. — Apex of dactylus of fifth peraeopod, further enlarged. 



