1886.] NATURAL SCIENCES OP PHILADELPHIA. 263 



5. Gerres californiensis. 



Diapterus calif ornienm Gill, Proc. Acad. Nat. Sci. Phila., 18G2, 245 

 (Cape San Lucas). 



Gerres californiensis Jordan & Gilbert, Proc. U. S. Nat. Mus., 1881, 

 274 (Guaymas); Jordan & Gilbert, Bull. U. S. Fish. Comni., 1881, 

 319 (Guaymas); Jordan & Gilbert, Bull. U. S. Fish Comm., 1882, 

 108 (Mazatlan); Evermann & Meek, Proc. Acad. Nat. Sci. Phila., 

 1888, 120 (Guaymas ; Mazatlan); Jordan, Cat. Fislies N. A., 1885, 95. 



? Gerres gnla Steindachner, Ichth. Beitriige, iii, 60, 1875 (name only ; 

 nee Cuv. & Val.); (Magdalena Bay). 



Habitat. Pacific Coast of Mexico (Mazatlan ; Guaj^mas ; 

 Cape San Lucas). 



This species is certain!}^ close to G. cinereus, and it may 

 eventually prove to be a variety of the latter. 



6. Gerres cinereus. 



Tardus cinereus peltatus Catesby, Nat. Hist., pi. ii, fig. 2, 1750 

 (Florida Keys ; Bahamas). 



Mugil cinereus Walbaum, Artedi Piscium, 228, 1792 (After Catesby). 



Gerres cinei-eus Jordan & Gilbert, Bull. U. S. Fish Comm., 1882, 108 

 (Mazatlan); Jordan & Gilbert, Syn, Fish. N. A., 935, 1883; Ever- 

 mann & Meek, Proc. Acad. Nat. Sci. Phila., 1883, 120 ; Jordan, Proc. 

 U. S. Nat. Mus., 1884, 130, 148 (Key West); Jordan, Proc. U. S. 

 Nat. Mus., 1881, 194 (identification of Catesby's figure); Jordan, 

 Cat. Fishes N. A., 1885, 95. 



Gerres zebra Miiller & Troschel, Schomburgk Hist. Barbadoes, 668, 

 1848 (Barbadoes); Gimther, Cat. Fish. Brit. Mus., i, 349, 1859 

 (copied); Gihather, Cat. Fish. Brit. Mus., iv, 254, 1862 (copied); 

 Steindachner, Ichthyol. Notizen, iv, ii, 1867 (Surinam); Steindachner, 

 Zur Fisch-Fauua des Magdalenen-Stromes, 9, 1878 (Rio Magdalena. 

 Identified with Gerres squamipinnis Giinther ; Jordan & Gilbert, 

 Bull. U. S. Fish. Comm., 1881, 329 (Mazatlan); Bean & Dresel, 

 Proc. U. S. Nat. Mus., 1884, 154 (Jamaica). 



Gerres aprion Cuvier, Regne Animal, ed. 2, 104, 1829 (Based on 

 Catesby) ; Cuvier & Valenciennes, Hist. Nat. Poiss., 461, 1830 

 (Martinique). 



Diapterus aprion Voej, Enum. Pise. Cuba, 51, 1875 (Havana). 



Eucinostomus aprion Poey, Enum. Pise. Cuba, 328, 1877 (Havana). 



Gerres squamipin7iis Giinther, Cat. Fish. Brit. Mus., i, 349, 1859 

 (Jamaica; Guatemala); Gimther, Cat. Fish. Brit. Mus., iv, 254, 

 18G2 (Jamaica; Guatemala); Steindachner, Ichthyol. Notizen, iv, 

 12, 1867 (Surinam); Gimther, Fish. Centr. Amer., 39, 18G9 (Jamaica; 

 Chiapam ; Panama). 



Eucinostomus zebra Poey, Enum. Pise. Cuba, 51, 1875 (Havana). 



Habitat. Both coasts of Tropical America, and the West 

 Indies (Havana ; Jamaica ; Chiapam ; Panama ; Guatemala ; 

 Martinique ; Bahamas ; Florida Keys ; Barbadoes ; Mazatlan.) 



