PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 149 



of body without caudal, and equal to diameter of eye, which is one- 

 third the length of the head, which is contained in total length 4f times. 

 Silvery streak occupying the lower two-thirds of the third and the upper 

 third of the fourth series of scales. Caudal slightly forked ; lobes equal. 

 Vertical fins excessively scaly. Scales of body large. D. Y, I, 7 5 A. I, 

 18; C. -f 17 + ; P. I, 13; V. 1-5. L. lat. 48; L. trans. 7. 

 The measurements of both species are here given. 



Table of Measurements. 



Species : Chirostoma vagrans. 



