GEERES. 39 



middle of dorsal fin. Dorsal IX 10 ; second spine longest, | the length of head. Anal 111 7 ; eecond 

 spine not longer than third, about l 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. 



Hah. Pacific Coast from Lower California to Panama : 

 Eio Presidio, Mexico. 



This species differs sliglitly 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. 



Eucinosiomus quia, Jord. & Everm. t. c. p. 1370. 

 Ilab. 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 

 prsemaxillary spines. 



4. Gerres harengulus, Goode & Bean, 1879. 



Eucinostomus harengulus, Jord. Sc Everm. t. c. p. 1368. 

 Hah. Atlantic Coast from Florida to Bahia. 



5. Gerres californiensis, Gill, 1862. 



Eucinostomus dowi, Jord. & Everm. t. c. p. 1367. 

 Eucinostomus californiensis, Jord. & Everm. t. c. p. 1369. 



Hab. Pacific Coast from California to Panama : 

 Eio Mascota, Mexico [Bidler). 



6. Gerres pseudogula, Poey, 1875. 



Eucinostomus pseudogula, Jord. & Everm. t. c. p. 1368. 

 Hab. Atlantic Coast from the Bermudas to Brazil. 



7. Gerres iefroyi, Goode, 1874. 



Uleema Iefroyi, Jord. & Everm. t. c. p. 1371. 



Eucinostomus meeki, Eigenm. Bull. U.S. Eish. Comm. xxii. 190.2, 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. 



