464 MEMOIRS OF THE CARNEGIE MUSEUM 



Stomach muscular, gizzard-like; teeth ciliiform; lower jaw angular in front; 

 anal spines 3; orbit with a well-developed adipose eyelid, covering part of the iris. 



Key to the Guiana Species of Mugil. 

 a. Soft dorsal and anal fins almost naked; anal rays 111,8, rarely 111,7 or 111,9; caudal deeply forked; sides 

 with dark stripes. 



b. Scales 32-36; depth about 4.5 in the length brasiliensis. 



(66. Scales 38-42; depth about 4 in the length cephalus.)" 



an. Soft dorsal and anal fins scaled; anal rays 111,9; caudal less deeply forked; sides without dark stripes. 



c. Scales 42-45; teeth small incilis. 



cc. Scales 36-39 curema. 



310. Mugil brasiliensis Agassiz. 



Mugil brasiliensis Agassiz, Selecta Gen. et Spec. Pise. Bras., 1829, 234, pi. 72. — 

 Jordan and Evermann, Bull. U. S. Nat. Mus. No. 47, 1896, 811. 



Mugil liza Cuvier and Valenciennes, Hist. Nat. Poiss., XI, 1836, 83 (Brazil; 

 Porto Rico; Maracaibo; Surinam; Martinique). — Muller and Troschel, 

 in Schomburgk, Reisen, III, 1848, 623 (mouths of rivers). 



Mugil lebranchus Poey, Memorias sobre la Historia Natural de Cuba, II, 1861, 260, 

 pi. 18, fig. 3 (Cuba). 

 No specimens were secured. 



311. Mugil incilis Hancock. 



Mugil incilis Hancock, Quart. Journ. Sci., 1830, 127 (Guiana). — Jordan and 



Evermann, Bull. U. S. Nat. Mus. No. 47, 1896, 812. 

 Mugil guntheri Steindachner, " Ichthyologische Notizen," i, 1864, 12 (British 



Guiana). 



No specimens were obtained. 



312. Mugil curema Cuvier and Valenciennes. 



Mugil curema Cuvier and Valenciennes, Hist. Nat. Poiss., XI, 1836, 87 (Brazil; 



Martinique; Cuba). — Muller and Troschel, in Schomburgk, Reisen, III, 



1848, 623 (mouths of rivers of Guiana). — Jordan and Evermann, Bull. U. S. 



Nat. Mus. No. 47, 1896, 813. — Eigenmann, Repts. Princeton Univ. Exp. 



Patagonia, III, 1910, 463. 

 Mugil petrosus Cuvier and Valenciennes, Hist. Nat. Poiss., XI, 1836, 89 (Brazil; 



Surinam; Gulf of Mexico; Cuba). 



79 No specimens of this species have been recorded from British Guiana. It has been found in St. Vincent 

 and various other points in the islands and along the coast. 



