23. RniNOPXEUA. 



495 



nine series in the upper jaw, and in seven in the lower, those of the 

 nuddlc upper series being thrice as broad as long, but narrower than 

 those of the adjoining series. 

 East Indies. 



Young : stuffed, not in good state. 

 East-India Company. 



From the Collection of the 



'. Rhinoptera polyodon. 

 Upper jaw. 



Lower jaw. 



Tpper jaw with fifteen series of hexangular teeth, those of the 

 five middle scries being but little broader than those of tlic outer 

 ones. Lov.cr jaw with nineteen series of similar teeth, those of the 

 five middle and of the outermost series being nearly twice as broad 

 as the others. 



Hah. ? 



a. Jaws. 



