INDIAN CYPRINIDtE. 447 



Fig. 10. Scales of Opsarius megacephalus — a from the lateral line, b from be- 

 tween that situation and the back. 



Fig. 11. A single scale taken from the lateral line of Opsarius maculosus. 



Fig. 12. A single scale from the lateral line of Opsarius hrachialis. 



Fig. 13. Scales of Opsarius isocheilus — a from lateral line, b from between 

 that situation and the back. 



Fig. 14. Scales of Opsarius cirratus — a from the lateral line, and b from be- 

 tween that situation and the back. 



PLATE LX. 



Fig. 1. Perilampus csquipinnatus, J. M. natural size — a breadth of the body, 

 b scale from the posterior third of the side a little above the lateral 

 line which is very small. 



The remaining figures of scales on this and the succeeding plate have 

 been drawn from the microscope by my friend Mr. W. M. Westermann. 



Fig. 2. Scales of Cyprinus curchius, Buch — a from the lateral line, b from be- 

 tween that situation and the dorsum, c and d natural size. 



Fig. 3. Scales of Gobio bicolor, J. M. — a from the lateral line, b from between 

 that situation and the dorsum, c and d their natural size, e the 

 manner in which they are placed. 



Fig. 4. 



Scales of Gobio afiisurus, J. M. — a from the lateral line, b from be- 

 tween that situation and the dorsum, c and d natural size, e their 

 disposition. 



