430 CALIFORNIA ACADEMY OF SCIENCES. 



84. Caranx medusicola Jordan & Starks, n. sp. Plate 

 xxxiv. 



Rather common in the surf outside the harbor. Not 

 found in the Astillero. The young from i to 2 inches 

 long live in the body cavity of the large white jelly fish, 

 which is very abundant about the Venados Islands in Jan- 

 uary. Sometimes two or three specimens will be found 

 in the body cavity of one jelly fish. 



Head 3I; depth 2^; D. VII-i, 22 or 23; A. II, i, 19 

 or 18; scutes 30 to 32; pectoral g- longer than head; dorsal 

 lobe i^ in head; caudal lobe, as long as head; curve 

 of lateral line i^ in straight part; height in chord 4; 

 eye 4 in head; snout 3; maxillary 3; ventral 2^. 



Body unusually deep and compressed, the back ele- 

 vated, the belly similarly arched ; head moderate, deep, 

 the nape arched. Mouth small, maxillary broad, with 

 broad supplemental bone. Teeth in moderate bands, the 

 outer enlarged but not canine-like; upper teeth rather 

 larger and in broader bands. Villiform bands on vomer, 

 palatines and tongue. Eye moderate; preorbital rather 

 narrow. Gill-rakers rather long and slender, about 12 

 below angle of arch. Soft dorsal and anal with falcate 

 lobes. Caudal well forked, the lobes equal. Pectoral 

 very long and falcate ; ventrals short. Lateral line rather 

 strongly curved, with moderate armature. _ Breast entirely 

 scaly. 



Clear blue above, silvery below; no bands or spots 

 anywhere, except a small black axillary spot and a blue 

 green patch on back of caudal peduncle ; pectoral bright 

 yellow; anal yellow, the lobe blackish; caudal grayish, 

 the lobes black with whitish posterior edge; ventrals 

 yellow. 



Length of largest specimens, 6 inches. Type, No. 

 2645, L. S. Jr. Univ. Mus. 



