This species was obtained at four localities in the high mountains of the Sierra de Coalcomán. In this mountain range Sceloporus bulleri apparently replaces S. torquatus, a species that is widespread in the Cordillera Volcánica and on the Mexican Plateau. At Dos Aguas and at Acuaro de las Lleguas the lizards were abundant in the tall pine forest, where they were found on standing pine trees, on pine logs, and on rock outcroppings.
Sceloporus dugesi intermedius Dugès
Sceloporus intermedius Dugès, La Naturaleza, 4:29, 1877.—La Noria, near Zamora, Michoacán, México.
Sceloporus dugesii intermedius, Smith, Univ. Kansas Sci. Bull., 24:663, February 16, 1938.
Cojumatlán (6); Jiquilpan (11); Lago de Camécuaro; Lago de Chapala; Morelia (23); Pátzcuaro (84); Quiroga (35); Sahuayo (4); Tacícuaro (2); Tangamandapio (17); Tangancícuaro (9); Zacapu (4); Zamora (11); Zinapécuaro (9).
This lizard is strictly an inhabitant of the Mexican Plateau, where it is found in rocky places, sometimes in pine-oak forest, but more frequently in mesquite-grassland. It is a terrestrial species, and is most often seen on rock fences at elevations of 1500 to 2200 meters.
This species differs from S. bulleri and S. torquatus in having two rows of supraoculars, instead of one; also it has more dorsal scales. Twenty-six specimens of Sceloporus dugesi intermedius from Tangamandapio and Tangancícuaro have 44-48 (45.7) dorsal scales, as compared with an average of 38.7 in S. bulleri and 29.3 in S. torquatus. In life Sceloporus dugesi intermedius has a dull greenish gray dorsum; in males the belly patches are bright blue bordered medially by black, and the throat is bluish gray. The largest specimen examined is a male having a snout-vent length of 80 mm.
Sceloporus gadowae Boulenger
Sceloporus gadoviae Boulenger, Proc. Zool. Soc. London, 1905, 2:246, October 7, 1905.—Mezquititlán, Guerrero, México.
Chupio; El Sabino (77); La Playa (6); Río Marquez, 10 km. S of Lombardia (11).