NO. 1 seale: report on fishes 19 



One from Corinto, Nicaragua, February 9, 1932. Length 94 mm. One 

 from Acapulco, Mexico, February 12, 1932. Color silvery, darker above, 

 no black spots except a minute black dot at the origin of the lateral line. 

 Dorsal darker on its outer half. Lower fins yellowish. Young specimens 

 are banded. Dorsal VIH-I, 19; anal II-I, 17. Maxillary ending on a 

 line with middle of pupil. Breast fully scaled. Thirty-three scutes in 

 lateral line. This fish is known locally as the Big-eyed Jack. 



Caranx hippos (Linnaeus) 



Twenty from Mazatlan, Mexico, December 7, 1931. Length 87-410 

 mm. Four from Panama Market, December 24, 1931. Length 85-142 

 mm. This Horse Crevalla has the dorsal VI, 20-21, anal II, 17. Breast 

 naked except for a small patch of scales at base of ventrals. Thirty-eight 

 armed scutes. Pectorals falcate, longer than head. 



Hynnis hopkinsi Jordan and Starks 



One from White Friars Islands, Mexico, February 14, 1932. Length 

 658 mm. Color silvery with a bluish flush when first taken from the 

 water. Jaws with fine granulate teeth. Maxillary extending to a line with 

 the pupil. Eighteen soft rays in the dorsal and 16 in the anal. Very fine 

 scales on each side of the breast. 



Argyreiosus oerstedii (Liitken) 



One from Panama Market, December 24, 1931. Length 179 mm. 

 Dorsal with 18 soft rays, anal with 15. Dorsal and anal rays extending 

 to beyond caudal. Spinous dorsal and posterior half of ventrals black. 



Vomer declivifrons Meek and Hildebrand 



One from Panama Market, December 24, 1931. Length 234 mm. 

 Head rounded above eyes. Dorsal with 24 rays. No scutes. Lateral line 

 with deep curve. 



Selene brevoortii (Gill) 



Four from Mazatlan, Mexico, December 7, 1931. Length 47-192 

 mm. Two from Tenacatita, Mexico, December 10, 1931. Length 363 

 mm. Eight from Bahia Honda, Panama, December 21, 1931. Length 44- 

 55 mm. One from Panama Market, December 24, 1931. Length 164 

 mm. Three from Corinto, Nicaragua, February 9, 1932. Length 46-187 

 mm. Dorsal VII, 20; anal II-I, 17. No scutes. 



Trachinotus rhodopus (Gill) 



Three from Panama Market, January 29, 1932. Length 133-185 

 mm. Color silvery, becoming darker on back. A dark opercular spot. Axil 

 of pectorals dark. 



