88 BULLETIN 187, UNITED STATES NATIONAL MUSEUM 



Range. — Colima and southern Michoacan north to southern Sinaloa 

 (recorded from Queseria, Colima,' El Sabino, Michoacan; and Plom- 

 osas, Sinaloa). 



LEPTODEIRA EPHIPPIATA Smith and Tanner 



Leptodeira bressoni Taylor, Univ. Kansas Sci. Bull., vol. 25, 1938 (1939), p. 324 



(part). 

 Leptodeira ephippiata Smith and Tanner, Copeia, 1944, pp. 131-133. 



Ti/pe. —Mus. Vert. Zool. No. 28931. 



Type locality. — Agua Marin, 8.3 miles west-northwest of Alamos^ 

 Sonora. 



Range. — Pacific slopes (probably excluding the coastal plain) from 

 southern Sonora to southern Sinaloa, and probably Nayarit (known 

 only from the type locality and Plomosas, Sinaloa) . 



LEPTODEIRA FRENATA (Cope) 



Siion frenatum Cope, in Ferrari-Perez, Proc. U. S. Nat. Mus., vol. 9, 1886, p. 184. 

 Leptodeira frenata Dunn, Proc. Nat. Acad. Sci., vol. 22, 1936, p. 696. — Smith, 

 Proc. Biol. Soc. Washington, vol. 52, 19S9, pp. 192r-195, fig. 8. 



Type. — Lost. 



Type locality. — Jalapa, Veracruz. 



Range. — Central Veracruz, probably to the Isthmus of Tehuantepec 

 (recorded only from Jalapa and Palma Sola, Veracruz). 



LEPTODEIRA MACULATA (Hallowell) 



Megalops maculatus Halxoweix, Proc. Acad. Nat. Sci. Philadelphia, vol. 12, 



1860 (1861), p. 468. 

 Leptodeira septentrionalis maculata Dunn, Proc. Nat. Acad. Sci., vol. 22, 1938, 



p. 697. 

 Leptodeira maculata Tatlob, Univ. Kansas Sci. Bull., vol. 25, 1938 (1939), pp. 



337-342, figs. 6-7, pi. 31, fig. 1, pi. 32, pi. 33, figs. 1-3.— Smith, Proc. U. S. 



Nat. Mus., vol. 93, 1943, pp. 440-441. 

 Leptodeira personata Cope, Proc. Acad. Nat. Sci. Philadelphia, vol. 20, 1868 



(1869), p. 310 (type locality, Mazatldn, Sinaloa). 



Type.—V.^.'^M. No. 7367. 



Type locality. — "Tahiti," by error ; probably Central America. 



Range. — Central Tamaulipas and southern Sinaloa south on both 

 coasts to the Isthmus of Tehuantepec; thence southward to Costa 

 Rica on the Pacific coast only (recorded from numerous localities in 

 Mexico in the states of Chiapas, Colima, Guerrero, Hidalgo, Jalisco, 

 Michoacan, Nayarit, Oaxaca, Puebla, San Luis Potosi, Sinaloa, Ta- 

 maulipas, and Veracruz.). 



LEPTODEIRA MYSTACINA Cope 



Leptodeira mystacina Cope, Proc. Amer. Philos. Soc, vol. 11, 1869, p. 151.— 

 Taylor, Univ. Kansas Sci. Bull., vol. 25, 1938 (1939), pp. 325-326; vol. 

 27, 1941, pp. 124^125, fig, 4 (head).— Smith, Proc. U. S. Nat. Mus., vol. 9S, 

 1943, p. 441, 



