160 BULLETIN 199, UNITED STATES NATIONAL MUSEUM 



SCINCELLA ASSATA ASSATA (Cope) 



LamprophoUs assatus Cope, Proc. Acad. Nat. Sci. Philadelphia, 1864, pp. 179-180. 

 Leiolopisma assatum, Burt, Trans. American Micr. Soc, vol. 54, 1935, p. 177. 

 Leiolopisma assatum [assatum], Oliver, Occ. Pap. Mus, Zool. Univ. Michigan, 



No. 360, 1937, p. 12.— Smith, Herpetologica, vol. 3, 1946, p. Ill; Journ. 



Washington Acad. Sci., vol. 39, 1949, p. 40. 

 Lygosoma assatum assatum, Stuart, Occ. Pap. Mus. Zool. Univ. Michigan, 



No. 421, 1940, pp. 12-13. 

 Scincella assata assata, Mittleman, Herpetologica, vol. 6, 1950, p. 20. 



Type.— Acad. Nat. Sci. Philadelphia No. 9465. 

 Type locality. — Volcan Isalco, El Salvador. 



Range. — Pacific slopes, southeastern Chiapas southward to Hon- 

 duras. Kecorded in Mexico from Chiapas: Huehuetan, Escuintla. 



SCINCELLA ASSATA TAYLORl (Oliver) 



Leiolopisma assatum taylori Oliver, Occ. Pap. Mus. Zool. Univ. Michigan, No. 



360, 1937, pp. 12-15. — Smith, Journ. Washington Acad. Sci., vol. 39, 1949, 



p. 40. 

 Scincella assata taylori, Mittleman, Herpetologica, vol. 6, 1950, p. 20. 



Type. — Mus. Zool. Univ. Michigan No. 80107; A. Bakewell and 

 J. A. Oliver collectors. 



Type locality. — Santiago, Colima. 



Range. — Colima to southwestern Chiapas, in lower areas. Recorded 

 from Colima: Santiago, Paso del Rio; Guerrero: Between Rinc6n and 

 Cajones, Mazatlan, Chilpancingo, Agua del Obispo, Tierra Colorada; 

 Jalisco: Tenacatita; Chiapas: Tonala; Oaxaca: Matias Romero, Santa 

 Efigenia, Tapanatepec. 



Genus EUMECES Wiegmann 



Eumeces Wiegmann, Herpetologia Mexicana, 1834, pt. 1, p. 36. 



Lamprosaurus Hallo well, Proc. Acad. Nat. Sci. Philadelphia, 1852, p. 206 



(type, Lamprosaurus guttulatus lia\\oweU. = Plestiodon obsoletum Baird and 



Girard). 

 PlatyphoUs Duofes, La Naturaleza, ser. 2, vol. 1, 1887, p. 486 (type, Eumeces 



altamirani Dug5s). 



Genotype. — Scincus pavimentatus GeoSroy = Eumeces pavimentatus 

 (see Wiegmann, Archiv fiir Naturg., vol. 2, 1835, p. 288). 



Range. — Southern Canada southward through the United States, 

 Mexico, and Central America to Nicaragua; Bermuda; North Africa; 

 southwestern Asia; China; French Indo-China; Japan. 



Species. — About 58 species and 76 forms are recognized; 23 forms 

 of 22 different species occur in Mexico. 



KEY TO MEXICAN SPECIES OF EUMECES 



1. Median dorsal scales at least three times the width of adjoining scales 2 



Dorsal scales not greatly widened, rarely twice as wide as adjoining scales 3 



2. Scales in 21 rows about middle of body; 3 broad black stripes begin on snout, 



pass back and break up on middle of back schwartzei (p. 162) 



