Cockerell and Callaway — The Scales of Fishes. 123 



of the fishes. In any event, they seem to be of specific rather 

 than generic or subfamil^^ importance. The fishes upon which 

 this study is based were with two exceptions kindly sent to us by 

 the U. S. Bureau of Fisheries and Stanford University. For 

 the Old World (River Nile) species we are indebted to the Gov- 

 ernment of Egypt, through .the British Museum. We are 

 indebted to Doctors David Starr Jordan and Barton Warren 

 Evermann for very kindly going over our manuscript. 



