1917.] NATURAL SCIENCES OF PHILADELPHIA. 133 



Bairdiella ronchus (Cuvier). 

 Three, 132 to 152 mm. 



TJmbrina COroides (Valenciennes). 



Three, 110 to 154 mm. 

 Euoinostomus pseudogula Poey. 



Four examples, 93 to 137 mm. Eudnostomus harengulus Goode 

 and Bean, as previously reported from Port Limon, Costa Rica,* 

 and Colon,^ in the slightly more slender body (depth 2| to 3) and 

 slightly longer second anal spine. The present examples show the 

 depth 2| to 2|. 



Eucinostomus gula (Valenciennes). 



Eight, 88 to 117 mm. Depth 3|. 

 Gerres rhombeus Cuvier. 

 Eight, 95 to 135 mm. 



Upeneus maculatus (Bloch). 



Five, 118 to 180 mm. 

 Polydaotylus virginicus (Linn6). 



Four, 98 to 226 mm. 

 Abudefduf mauritii (Bloch). 



Six, 78 to 98 mm. 

 Laohnolaimus maximus (Walbaum). 



One, 128 mm. 

 Callyodon margarita sp. nov. Fig. 2. 



Head 3; depth 3^; D. IX, 10; A. II, 10; P. I, 12; V. I, 5; scales 

 23 in 1. 1. to caudal base, and 2 more on latter; 2 scales above 1. 1. 

 to spinous dorsal origin; 7 scales below 1. 1. to spinous anal origin; 

 6 median predorsal scales; 5 median scales on breast before ventral 

 origins; head width 1^ in its length; head depth at occiput, 1^; snout 

 about 3 in head; eye 5^; maxillary 4|; interorbital 3; first dorsal spine 

 2f; first dorsal ray 2^; first anal ray 4; least depth of caudal peduncle 

 2^; pectoral 1^; ventral 1|. 



Body elongate, moderately compressed, deepest about opposite 

 middle of pectoral, edges all rounded convexly. Caudal peduncle 

 compressed, about long as deep. 



Head compressed, moderately deep, profiles little convex and 

 alike, sides flattened. Snout convex over surface, slightly so in 

 profile, and length about j its width. Eye rounded, rather high, 



f 



« Proc. Acad. Nat. Sci. Phila., 1916, p. 399. 

 9 L.c, p. 404. 



