GERRES. oY 
middle of dorsal fin. Dorsal IX 10; second spine longest, 2 the length of head. Anal Il] 7; second 
spine not longer than third, about 2 the length of head. Pectoral longer than the head. Caudal deeply 
forked. Silvery, back brownish ; about 10 narrow bluish vertical bars on the upper part of the side : 
dorsal and caudal fins dusky. 
Hab. Pacific Coast from Lower California to Panama: 
Rio Presidio, Mexico. 
This species differs slightly from its Atlantic representative (G. cinereus) in the 
fewer scales, larger head, longer maxillary, and longer second anal spine, whilst the 
bars on the sides are usually more numerous. 
3. Gerres gula, Cuv. & Val., 1830. 
Eucinostomus gula, Jord. & Everm. t. c. p. 1870. 
Hab. Atlantic Coast from Carolina to Brazil. 
The top of the head is covered with scales to the level of the nostrils except for a 
small rounded or oval naked area completely surrounded by scales, overlying the 
premaxillary spines. 
4. Gerres harengulus, Goode & Bean, 1879. 
Eucinostomus harengulus, Jord. & Everm. t. c. p. 1368. 
Hab. Atlantic Coast from Florida to Bahia. 
5. Gerres californiensis, Gill, 1862. 
Eucinostomus dowt, Jord. & Everm. t. c. p. 13867. 
Eucinostomus californiensis, Jord. & Everm. t. c. p. 1369. 
Hab. Pacific Coast from California to Panama: 
Rio Mascota, Mexico (Buller). 
6. Gerres pseudogula, Poey, 1875. 
Eucinostomus pseudogula, Jord. & Kverm. t. c. p. 1368. 
Hab. Atlantic Coast from the Bermudas to Brazil. 
7. Gerres lefroyi, Goode, 1874. 
Ulema lefroyi, Jord. & Everm. t. c. p. 1371. 
Eucinostomus meeki, Kigenm. Bull. U.S. Fish. Comm, xxii. 1902, p. 229, fig. 10 (1904). 
Hab. Atlantic Coast from the Bermudas to Cuba; rivers of Cuba. 
8. Gerres peruvianus, Cuv. & Val., 1830. 
Gerres peruvianus, Jord. & Everm. t. c. p. 1376. 
Hab. Pacific Coast from Mexico to Peru; Rio Guayas, Ecuador. 
