150 BULLETIN" 10 0, UNITED STATES NATIONAL MUSEUM 



e^^ Platypodon. Second dorsal and anal equal In size. 



e\ Second dorsal origin before anal origin ; snout short, bluntly 



rounded ; fins tipped with black melanoptera 



c*. Second dorsal and anal origins opposite. 



f. Snout obtusely pointed; pectoral % wide as long menisorrah 



f. Snout somewhat extended ; pectoral twice wide as long. 



spallanzani 

 f. Snout moderate, bluntly rounded ; pectoral less twice long as wide. 



dussumieri 



f. Snout rather extended and pointed pleurotaenia 



e'. Second dorsal origin behind anal origin ; snout narrowly rounded in 



front tephrodes 



a? EtTDAMiA. Second dorsal larger than anal. 



g^. Second dorsal origin before anal origin. 



7t'. Snout very short, nostrils near end gangetica 



7^^ Snout moderate. 



i\ Pectoral long, moderately wide lamia 



i^ Pectoral long, narrow albimarginata 



Ti*. Snout short, obtuse ; pectorals broad. 



f. Upper teeth narrow; lower narrow, lanceolate ellioti 



p. Upper teeth broad, triangular ; lower narrow_ temminckii 



g*. Second dorsal origin opposite anal origin ; snout moderate, blunt ; 



pectoral longer than wide munsing 



Subgenus Isoplagiodon Gill 



EULAMIA LIMBATA (Muller and Henle) 



Cwrcharias {Prionodon) limbatus Mtjller and Henle, Syst. Beschr. Plagiostomen, 

 p. 49, pi. 19, fig. 9 (teeth), 1841 (no locality).— Dum^eil, Hist. Nat. 

 Elasmobr., vol. 1, p. 375, 1865 (Martinique: Bahia). — STEiNOACHNBai, Sitz. 

 Ber. Akad. Wiss. Wien, math.-nat. Kl., vol. 115, pt. 1, p. 1425, 1906 (Upolu, 

 Samoa) ; Denkschr. Akad. Wiss. Wien, matli.-nat. KI. vol. 71, pt. 1, p. 160, 

 1907 (Gischin). 



Carcharias Umhatus Gtjntheb, Cat. Fish. Brit. Mus., vol. 8, p. 373, 1870 (Sey- 

 chelles, Indian Ocean). — Day, Fishes of India, pt. 4, p. 716 (not pi. 184, 

 fig. 2), 1878; Fauna British India, Fishes, vol. 1, p. 17, 1889 (copied).— Sau- 

 VAGE, Hist. Nat. Madgascar, Poiss., p. 510, 1891 (reference). — Gxjnthek, 

 Journ. Mus. Godeffroy, pt. 17, p. 481, 1910 (Indian Ocean). — Robinson, Natal 

 Fisher. Rep., 1919, p. 50 (Natal). — Tihant, Service Oceanogr. Peches ludo- 

 Chine, 6" note, p. 61, 1929 (Cochinchina). 



Carcharinus Umhatus Gaeman, Mem. Mus. Comp. Zool., vol. 36, p. 127, 1913 

 (tropical and temperate seas; Rio Janeiro). — Baenaed, Ann. South African 

 Mus., vol. 21, pt. 1, p. 26, 1925 (Natal coast). — Chevey, Inst. Oceanogr. 

 Indochine, 19* note, p. 6, 1932 (Cochinchina). 



Eulamia limiatus Fowleb, Mem. Bishop Mus., vol. 10, p. 19, 1928 (compiled) ; 

 Proc. Acad. Nat. Sci. Philadelphia, vol. 87, p. 362, 1935 (Durban) ; Bull. 

 Amer. Mus. Nat. Hist, vol. 70, pt. 1, p. 48, fig. 10, 1936 (compiled). 



Eulamia limbata Fowleb, Proc. 4th (1929) Pacific Sci. Congr., Java, p. 491, 

 1930 (reference). 



Carcharias microps Lowe, Proc. Zool. Soc. London, 1840, p. 38 (type locality: 

 Madeira). 



Prionodcm cucuri Castelnau, Animaux Nouv. Amer. Sud, Poiss., p. 99, 1855 

 (type locality: Bahia). 



