446 



PROCEEDINGS OF THE NATIONAL MUSEUM 



(No. 67372), San Geronlmo (Ixtepec), Oaxaca (No. 46360), and Te- 

 huantepec (No. 30086-8), Oaxaca. 



Table 21. — Variation in Manolepis nasutus 



♦MASTICOPHIS BILINEATUS Jan 



Six specimens are in the Museum, from Guaymas, Sonora (No. 

 15880; Batopilas, Chihuahua (No. 46382); San Juan Capistrano, 

 Zacatecas (No. 46481) ; Pedro Pablo, Nayarit (No. 46417) ; Guadala- 

 jara, Jalisco (No. 32212) ; Cuicatlan, Oaxaca (No. 46499). 57 



MASTICOPHIS FLAGELLUM TESTACEUS (Sny) 



Masticophis flagellum flavigularis Smith, Journ. Washington Acad. Sci., vol. 31, 

 p. 31)7, 1941. 



One specimen was collected 15 miles north of Monterrey, Nuevo 

 Leon (No. 111268). 



The Museum has five others, as follows: Pesqueria Grande (No. 

 1995) and Santa Caterina (No. 1992), Nuevo Leon; Mier, Tamaulipas 

 (No. 48091) ; Chijol, San Luis Potosi (No. 46476) ; and San Bernar- 

 dino Ranch, Sonora (No. 21052). 



All have 8-8 supralabials, and 2-2 preoculars, postoculars and tem- 

 porals. Respectively the scale rows are 17-12, ?-?, 17-13, 17-13, 

 17-12, and 17-13 ; ventrals 190(d),?, 197, ?( 9 ), 193, 197 ; inf ralabials 

 10-11, 10-10, 10-10, 10-11, 10-11, 11-11. The tails are incomplete in 

 all; two have counts of 100+ and 110+. 



MASTICOPHIS FLAGELLUM LINEATULUS Smith 



Masticophis flagellum lineatulus Smith, Journ. Washington Acad. Sci., vol. 31, 

 pp. 394-397, 1941. 



Three specimens are from 11 miles north of San Buenaventura, Chi- 

 huahua (No. 105292, type) and from Progreso, near the Rio Santa 

 Maria, Chihuahua (Nos. 104675-6). 



w Smith, 1941n, pp. 389-390. 



