348 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY — IV. 



inliabit the West Indies, Mexico, and Soutli America. (ttojzcAoc, varie- 

 gated.) 



* BraucMostegals 5. (Pwcilia.) 



56§. P. cotacSaimast (Girard) Jor. & Gilb. 



Body sliort, back convex; head small; scales very large. Brownish, 

 each scale with a large brown spot ; an obscure black lateral band ; fins 

 plain, except the dorsal, which has a few black spots. Head 4. D. 9 ; 

 A. 6. Kuevo Leon, Mexico. (Girard.) 



(Limia cotichiana Grd. Proc. Acad. Nat. Sci. Phila. 1859, 116: Pcecilia couohii Giintlier, 

 vi, 347.) 



164.— GSKAISDINUS Poey.* 



(Poey, Mem. Cuba, i, 383, 1851 : type Girardinus metalUous Poey, from Cuba.) 



Body moderately slender; mouth small; mandible very short, its 

 bones not united ; snout short ; both jaws with a single series of slen- 

 der, movable, pointed teeth ; scales rather large ; anal fin more or less 

 in advance of dorsal, in the male modified into an iutromittent organ ; 

 intestinal canal elongate ; mud eating. Yery small fishes, the smallest 



* PLATYPCECILUS Guuther. 

 (Giinther, Cat. Fishes Brit. Mus. yi, 350, 1866: tjT^e Platypcccihis maculatus GuntheT.) 

 Small fishes allied to Girardinus, but with the origin of the aual fin behind that of 

 the dorsal. Mexico. (TrAari;?, broad; tvoihiXo?, Pa}cilus= Pcecilia.) 



P. maeulatus Gthr. 



Body mnch compressed and elevated. Caudal pednncle short and deep. Olivaceous, 



a roundish black spot on middle of root of caudal; a black spot on middle of side of 



body ; dorsal ofteii spotted with black ; margins of anal and caudal black. Head 3^ ; 



depth 2^. D. 10 ; A. 9 ; scales 25-8. L. li inches. Mexico. (Giinther.) 



(Giinther, vi, 350. ) ' • ' 



GOODEA Jordan. 



(Jordan, Proc. U. S. Nat. Mus. 1879, 299 : type Goodea atripinnis Jor.) 



Form of Fimdiilus, but with the intestinal canal elongate, the dentary bones loosely 

 joined, and the teeth slender, movable, tricuspid, attached in a single series on the 

 outer edge of the jaws, not closely set. Fins small, the dorsal and anal similar, the 

 dorsal slightly in advance of anal. No spines. Scales moderate. Limuophagous. 

 Sexual changes, if any, unknown. Mexico. (Dedicated to G. Brown Goode.) 



G. atripinnis Jordan. 



Bluish above ; sides nearly plain ; a silvery streak along each row of scales. 

 Vertical fins chiefly black, especially on the distal half. Body oblong, compressed, 

 the back nearly straight, the caudal peduncle deep. Head short, broad, depressed. 

 Mouth small. Lower jaw projecting. Teeth loosely inserted, not close together. Eye 

 3^ in head, a little more than half the width of the interorbital space. Humeral 

 scale somewhat enlarged. Fins small. Dorsal slightly in advance of anal. Caudal 

 small. Head 4 ; depth 4. D. 12 ; A. 13 ; Lat. I. 38 ; L. transv. 13. L. 4 inches. 

 Guanajuato, Mexico. From a salt lake in a volcanic basin. 



(Jordan, Proc. U. S. Nat. Mus. 1879, 299.) 



