430 CALIFORNIA ACADEMY OF SCIENCES. 58 
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 1 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 ‘32."depth 23> DD. Vile1, 22 hor 7235 Aira 
or 18; scutes 30 to 32; pectoral { longer than head; dorsal 
lobe 1% in head; caudal lobe, as long as head; curve 
of lateral line 1% 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; “Pype, Nae 
2645 LS. jr2 Unive Mis? 
