50 THE CYPEINODONTS. 



Mollienisia latipinna. 



Plate V. Fig. 1, teeth; Plate Vlll. Fig. 12, male; Plate XII. 



Mollienisia latipinna Les., 1S21, J. Phil. Ac, II, p. 3, pi. 3; Wagu., 1S2S, Isis, XXI, ]056; Rich., 

 1S37, R. Brit, Assoc, 213; Val., 1840, R. An., ed. ill, Poiss., p. 229, pi. 95, fig. 4,-1846, C. V. Puiss., 

 XVIII, 139, pi. 527; Stor., 1846, Sju., 182,— Mem. Am. Ac, II, 434; Blk., 1860, Cypr., 485,-1863, 

 Atl., Ill, 140 ; Gth., 1866, Cat., VI, 348 ; Jor. & C, 1877, B. Buf. Soc, III, 143 ; Jor., 1878, B. U. S. G. 

 Siir., IV, 411, 434,-1881, P. U. S. Mus., Ill, 22,-1835, P. U. S. Mus., VII, 320, 323,-1887, R. 

 U. S. F.Com., 838; Goode, 1880, P. U. S. Mus., II, 119 ; G. &B., 1880, P.U. S. Mus., II, 151, 342,-1883, 

 P. U. S. Mus , V, 239 ; Jor. & G., 1882, B. 16, U. S. Mus., 347, 894, — 1883, P. U. S. Mus., V, 258 ; Jor. 

 & M., 1885, P. U. S. Mus., VII, 235 ; Gilb., 1890, B. U. S. F. Com., VIII, 228 ; Heush., 1891, B. U, S. F. 

 Com., IX, 374; Everm., 1892, B. U. S. F. Com., X, 88 ; Woolm., 1892, B. U. S. F. Com., X, 296, 300. 



Pcecilia latipinna Put., 1863, B. M. C. Z., 13. 



Poecilia muliilineata Les., 1821, J. Phil. Ac, II, p. 4, pi. 1 ; Wa^u., 1828, Isis, XXI, 1055, Rich., 

 1837, R. Brit. Assoc, 213; Val., 1846, C. V. Poiss., XVIII, 134; Stor., 1846, Syn., 178, — Mem. Am. 

 Ac, II, 430. 



Fcecilia lineolata Grd., 1859, P. Phil. Ac, 114, — Mes. Bd. Sur., Fish, 70, pi. 35, fig. 9-11. 



MolUnesia lineolata Jor. & C, 1877, B. Buf. Soc, III, 143; Jor., 1878, B. U. S. G. Sur., IV, 434; 

 Jor. & G.,1882, B. 16, U.S. Mus., 894,-1883, P. U. S. TVIus., V, 259; G. & B., 1883, P. U. S. Mus., V, 

 239. 



Gambusia lineolata Blk., 1860, Cypr., 485. 



Limia pmciloides Grd., 1859, P. Phil. Ac, 115, — Mex. Bd. Sur., Fish, 70, pi. 38, fig. 8-11. 



Oambusia pcecilioides, Blk., 1860, Cypr., 485. 



Mollinesia pmcilioides Jor. & C, 1877, B. Buf. Soc, III, 143; Jor., 1878, B. U. S. G. Sur., IV, 434. 



Limia formosa Grd., 1859, P. Phil. Ac, 115. 



Mollienesiaformosa Gth., 1866, Cat., VI, 349 ; Jor. & C, 1877, B. Buf. Soc, III, 143 ; Jor., 1878, B. 

 U. S. G. Sur., IV, 434 ; Jor. & G., 1882, B, 16 U. S. Mus., 347; Eig., 1S93, P. U. S. Mus., XVI, 57. 



Limia mafamorensis Grd., 1S59, P. Phil. Ac, 116. 



Gambusia mutamorensis Blk., 1860, Cypr., 485. 



Mollienesia matamorensis Jor. & C, 1877, B. Buf. Soc, III, 143 ; Jor., 1878, B. U. S. G. Sur., IV, 434. 



B. 5 ; D. 14-16 ; A. 10-9 ; V. 6 ; P. 14-15 ; LI. 27-30 ; Ltr. 9 ; Vert. 

 15+15 to 14+14. 



In the superior .aspect the body is much compressed and tapers from the 

 head to the caudal ; seen from the side body and tail are very deep and the 

 head is short wedge-shaped. Head flattened on the crown, less than depth 

 of body, nearly one fourth of the length to the base of the caudal. Snout 

 broad, short, as long as the eye, or shorter in young, truncate ; chin steep. 

 Mouth wide, directed upward, lower jaws longer, loosely joined ; upper 

 shorter, protractile. Teeth in the outer series slender, movable, narrow at 

 the base, widened or oar-shaped and hooked near the crown ; inner in bands, 

 very small, pointed, hooked. Eye of moderate size, as long as snout or 

 longei', half of forehead, about two sevenths of the head. Dorsal longer 

 than anal, becoming elongate and high in the males, first ray near the mid- 

 dle of the body length in young but nearer the head in old. Anal small, 

 origin farther back than that of dorsal, intromittent portion on the male 

 shorter than the head and similar to that of Poecilia, advanced between the 



