(')ir> pnoCEEDTNGS OF THE NATIONAL MUSEVM. voi. xxvi. 



14. SCOLIODON Muller and Henle. 



ScoKodon Mi-llkk and IIenle, Wiegnumn's Arcliiv. f. Naturg., 1887, I, p. 397 

 {laticaiidi(x.) 



Teeth entire, or very nearl}^ so, oblique and flat, the points directed 

 toward the sides of the month, so that the inner niarg-ins are more or 

 less nearly horizontal, the teeth in front more nearly erect; teeth not ■ 

 swollen at the base, each of them with a deep notch on the outer mar- 

 ji'iii below the sharp point; lips with conspicuous j^rooves. Otherwise - 

 as in CareJiartds, from which the genus is scarcely distinct. Size ' 

 small. 



((r/c-oAzoV, oblique; odovg^ tooth.) 



o. Length of the anal nearly eqnal to its distance from ventrals; onter angle of pec- 

 torals almost a right angle; pectorals blacik; niiper jaw withont lal)ial fold. 



laticaudas, 14. I 

 an. Length of anal mncli less than itsdistan<;e from ventrals; onter angle of pectorals I 

 ac-nte. 

 b. Upper jaw withont labial groove; length of snont alxmt e(|nal to tlistance of 



eye from gill opening <tci(fns, 15. 



1)1). Upper jaw with a short labial gnxive; cleft of month much broader than 

 long irdlJifcluni, 16. 



14. SCOLIODON LATICAUDUS (Muller and Henle). 



Carchari<i^ {Sroliodun) Idticduduft Mui.lkji and Henle, Plagiostomen, 1838, p. 28, 



pi. viii; East Indies. — Dumeril, Elasmo])ranches. II, 1870, j). 'M?> (same 



types). 

 Carcharias laticaudus Gv'NTK'ER, Cat. Fish., VIII, 1870, p. 358; Bengal, East Indies, 



China, Amoy, Japan. 

 Carcharias {^coUodon) mdcrorhyiichus Bleeker, Verb. Bat. Gen., XXIV, 1851, 



Plagiost., p. 31, pi. I, fig. 1; Batavia. — Dumeril, Elasmobranches, II, 1870, 



p. 343 (after Bleeker). 



Snout from front margin of mouth equal to, or a little more than, 

 distance of eye from gill-opening; a very short labial groove at angle 

 of mouth, not extending on upper jaw, and for a veiy short distance ; 

 only on lower. Pectoral fin with posterior margin nearly straight, ' 

 upper angle nearly a right one, not extending to first dorsal; base of 

 anal equal to, or but little less than, its distance from ventral, and its 

 pointed lobe terminates at a distance from root of caudal; tei"minali 

 lobe of caudal obliquely truncated. Pectoral tins ])lack. Length, 18 

 inches. (Giinther.) 



East Indies; noted by Dr. (ximther from Jainra<'h's Collection in 

 Japan, a record Avhich needs verirtcation. 



{hiiiis. l)r()ad; cdndd, tiiil.) 



15. SCOLIODON ACUTUS ( Riippell). 



Carehnrid.s itcntus liiippELL, Nene Wirbelthiere, Fische, 1837, p. 65, pi. xvni, 

 fig. 4; Red 8ea.— (JfNTUER Cat. Fish., VIII, 1870, p. 358; Cape Seas, 

 rinang, Vi/.agapatam, Japan. 



