630 DESCRIPTION OF BLEEKEBIA GILLI— BEAN. vol. xvii. 



head. Vent a little nearer root of caudal than to origin of pectoral. 

 Caudal forked ; the middle rays nearly two-thirds as long as the outer. 



Back grayish brown; sides and lower jiarts silvery. General appear- 

 ance of Ammodytes. 



Type.— No. 45384, U.S.N.M. 



The species is dedicated to Dr. Theodore Gill, thereby associating 

 the names of two eminent ichthyologists, whose contributions to this 

 branch of zoology have in many resi)ects followed along similar lines. 



