Jordan and Evermann. — Fishes of North America. 435 

 213. CHIROCENTRODON, Giinther. 



Chirocentrodon, Gf nther, ("at., vii, 403, 1868, {detiiatiis). 



Body obloug, much compressed, covered with deciduous scales. Belly 

 weakly serrated, the serra' beginning at the thorax. Lower Jaw project- 

 ing; teeth strong, a pair of strong canines in front of each jaw ; evident 

 teeth on maxillary ; narrow bands on vomer, palatines, pterygoids, and 

 tongue. Anal long, of about 40 rays ; dorsal opposite anal ; ventrals very 

 small ; caudal forked. Branchiostegals 6, short and broad. One species. 

 ix^'Pi hand; Krvrpov, spine; othi'c, tooth.) 



706. CHIROCENTRODON T.ENIATUS, Giinther. 



Head 4^ ; depth 4| ; eye 31. D. 15 ; A. 41. Snout compressed, longer 

 than eye. Maxillary large, reaching to behind margin of eye. Gill rakers 

 fine, nearly as long as eye, lO-f-17 in number. Dorsal inserted behind 

 front of anal, midway between occiput and root of caudal ; ventrals not 

 longer than eye; pectorals nearly as long as head without snout. Serrat- 

 ure of abdomen not prominent ; 11 scutes behind ventrals. White, with 

 a narrow silvery, lateral band. Jamaica. (Giinther.) Not seen by us, 

 {tceniatun, striped.) 

 Chirocentrodon tieniatus, Gunther, Cat., vii, 4f)3, 1808, Jamaica. (Coll. Dr. Parnell.) 



214. ILISHA, Gray. 



Plati/ijaster, SwAlNSON, Classif. Anim., 11, 294, 1839, {africauus) ; name preoccupied. 



llislia (Gray) Richardson, Ichthyol. China, in Proc. Brit. Assoc, 1845 (1840), 300, {abnormis); 



no description. 

 Pellona* Cuvier & Valenciennes, Hist. Nat. Poiss., xx, 300, 1847, {prhignyana=flavipmnis). 

 Ilisha, Blekker, Ned. Tydskr. Dierk., 300, 1866, {abnormis). 



Body much compressed, the thorax and abdomen strongly serrated. 

 Scales moderate. Lower jaw protainent; mouth moderate, with rasp- 

 like bands of minute teeth on jaws, palatines, pterygoids, and tongue; 

 none on vomer. Anal fin very long; ventrals present, small, inserted 

 before the small dorsal; upper ray of pectoral strong; caudal deeply 

 forked. Tropical coasts of America and Asia. {Uisha, an East Indian 

 name of Sardinella lixha.) ' 



a. Anal raj's 40 to 45; anal placed behind dorsal. 



6. Dorsal rays 19 or 20; eye 4 in head. flavipinnis, 707. 



66. Dorsal rays 15; eye 3J-^ in head. dleekeriana, 708. 

 aa. Anal rays about 50. 



c. Depth less than one-tliird length; the ventral outline weakly arched; anal placed 



behind dorsal. panamensis, 709. 



cc. Depth more than one-third length, the ventral outline strongly arched; anal 



partly belov? dorsal. furthi, 710. 



707. ILISHA FLAVIPINNIS (Valenciennes). 



Head 3^; depth 3?; eye 4. D. 19 or 20; A. 40; scales 65-18. Posterior 

 halves of ridges on upper side of head distinctly convergent anteriorly, 



* Pellona is the Spanish name of Pdlonn flavipinnis at Buenos Ayres, apparently from peion, 

 bald, in allusion to the caducous scales. 



. If "typonyms," or new generic names based on tiie indication of a type, without descrip- 

 tion, are to be rejected, the name Pellona should take the place of riiKlia. 



