1920.| N. ANNANDALE & S. L. Hora: The Fish of Seistan. 163 
discussion, which would involve an examination not only of all the 
Indian species assigned to Cirrhina but also of the Malayan ones 
assigned to Cvrossochilus. We have made a somewhat cursory 
survey of the former but find so much diversity of structure and 
Text-riG. 4.—Young of Garra nasuta and Psitlorhynchus tentaculatus. 
a. Lateral view of young D. nasuta showing dorsal fold (magnified). 
6. Lower view of head of same fish (further magnified) showing resem- 
blance of ventral disk to that of Discognathus adiscus. 
c. Young of Psilorhynchus tentaculatus at a slightly later stage of develop- 
ment (magnified). 
d. Dorsal view of head of same fish ( 
(further magnified) showing com- 
plete absence of disk. 
so little correlation between the different peculiarities noted in 
certain species by former authors, that we think it best to put the 
subject aside for further consideration when more material from 
the Malay Peninsula and Archipelago is available, 
