EXPLANATION OF PLATE IIL 



Fish and Aquatic Rhynchota, mostl}^ from Bombay Streams. 



Ncmachilus anguilla, sp. nov. 

 Fig. I. — Ventral surface of head and chest (enlarged). 



Psilorhynchus tentaculatus, sp nov. 

 Fig 2. — Pharyngeal teeth (highly magnified). 



Barbus tor (Ham. Buch.). 



Figs. 3, 3a.— Head of young specimen from the R. Kistna near 

 Satara (about nat. size). 



Barbus mussullah, Sykes. 



Figs. 4, ^a. — Head of young specimen from the R. Kistna near 

 Satara (about nat. size). 



Barbus putitora (Ham. Buch.). 

 Fig. 5. — Adult specimen from Gauhati, Assam (much reduced), 



Hebrus bombayensis, Paiva, sp. nov. 

 Fig. 6. — Enlarged dorsal view of type-specimen from Khandalla. 



Enithares lactca, Paiva, sp. nov. 

 Fig. 7. — Outline of dorsal surface (enlarged). 



Onychotrechus rhcxenor, Kirk. 

 Figs. 8, 8a. — Front and hind feet (enlarged). 



Gerris tristan, Kirk. 

 Figs, q, ga. — Front and hind feet (on same scale as figs. 8, Sa). 



