EXPLANATION OF PLATE XIX. 



Palaemon hendersoni, de Man. 



Fig. 19. — Anterior part of carapace, etc., in lateral view, X 2^. 



,, 20. — Anterior part of carapace, etc., of another specimen, 

 dorsal view, X 2. 



,, 21. — Second peraeopod of adult male, X i^. 



,, 22. — Denuded fingers of the same limb, further enlarged. 



,, 23. — Apex of telson. 



Caridina weberi, de Man, var. 



,, 24. — Lateral view of a specimen of the race inhabiting the 

 Brahmaputra river system. 



,, 25. — Anterior part of carapace, etc., of the same specimen. 



