566 NEW YORK STATE MUSEUM 



276 Eucinostomus gula (Cuv. & Val.) 

 Mojarra de Ley; Silver Jenny 



Gerres gula CUVIER & VALENCIENNES, Hist. Nat. Poiss. VI, 464, 1830, 



Martinique; GUNTHER, Cat. Fish. Brit. Mus. I, 346, 1859. 

 Eucinostomus argenteus BATED & GIRARD, 9th Smithson. Rep. 345, 1855, 



Beesley's Point, N. J. 

 Gerres argenteus JORDAN & GILBERT, Bull. 16, U. S. Nat. Mus. 584, 1883; 



BEAN, Bull. U. S. F. C. VII, 138, 1888, Great Egg Harbor Bay, N. J. 

 Eucinostomus gula JORDAN & EVERMANN, Bull. 47, U. S. Nat. Mus. 1370 r 



1898; H. M. SMITH, Bull. U. S. F, C. 1897, 101, 1898; BEAN, 52d Ann. 



Rep. N. Y. State Mus. 106, 1900. 



Body elliptic, compressed, back moderately elevated, the 

 greatest depth contained two and two fifths times in total length 

 without caudal. Head short, pointed, its length three tenths 

 of total without caudal; mouth small, the maxillary reaching 

 slightly past the vertical from the front of orbit; exposed por- 

 tion of maxillary nearly oblong, its length twice its width, and 

 equal to one fourth or one fifth the length of the head; pre- 

 orbital and preopercle entire; snout two sevenths and interor- 

 bital width one third length of head; eye one third length of 

 head. Gill rakers small and weak, seven below the angle of 

 first arch; premaxillary groove scaly in front, posterior part 

 naked forming a sort of pit. Longest dorsal spine two 

 thirds as long as head. Second anal spine shorter and stronger 

 than third, about three tenths as long as the head. Ventrals 

 reach nearly to vent, five sevenths as long as head. Pectorals 

 reach front of anal, and equal one third of total length without 

 caudal. Second interhaemal hollow and enlarged. 



D. IX, 10; A. Ill, 8; scales 5-42 to 45-9; vertebrae 9+15. 



Color silvery, greenish, darker above; no distinct longitudinal 

 lines except in very young; upper margin of .spinous dorsal more 

 or less black; dorsal and anal fins dusky; other fins pale. 



The silver jenny occurs from Cape Cod to Brazil and the West 

 Indies; only the young come far north in summer. The species 

 reaches a length of 5 inches and is used for bait. 



At Woods Hole Mass., writes Dr Smith, the species is usually 

 very uncommon. In 1897 five specimens were taken at one 

 seine haul in Quisset harbor on August 14; two in the same 



