20. PLESTIODON 595 



Eumeces guttulatus COPE, Bull. U. S. Nat. Mus., No. i, 1875, p. 45; 

 YARROW, Surv. W. looth Merid., Vol. V, 1875, p. 556; COUES, 

 Surv. W. looth Merid., Vol.V, 1875, p. 604; YARROW, Bull. U. S. 

 Nat. Mus., No. 24, 1883, p. 41; BOULENGER, Cat. Lizards Brit. 

 Mus., Vol. Ill, 1887, p. 369; COPE, Report U. S. Nat. Mus. for 

 1898, 1900, p. 645, fig. 127; BAILEY, N. Amer. Fauna, No. 25, 

 1905, pp. 35, 45; CRAGIN, Trans. Kansas Acad. Sci., Vol. VII, 

 reprint 1906, p. 115; ELLIS & HENDERSON, Univ. Colorado Studies, 

 Vol. X, No. 2, 1913, p. 80; STRECKER, Baylor Bulletin, Vol. XVIII, 

 No. 4, 1915, p. 26. 



Description. Body long and rounded, with long tail 

 and short legs. Nasal scute small, in contact with internasal, 

 postnasal, first labial, and rostral plates. Postnasal touching 

 nasal, internasal, anterior loreal, and first and second labial 

 plates. Anterior loreal forming sutures with postnasal, inter- 

 nasal, frontonasal, prefrontal, posterior loreal, and second 

 labial. Posterior loreal larger than anterior and bordered 

 behind by two preoculars, and first superciliary. Four large 

 supraoculars, first two or three touching long frontal. Inter- 

 parietal larger than either f rontoparietal, narrow posteriorly, 

 separating parietals. Parietals very large and followed by 

 one or two pairs of wide occipitals. Temporal plates very 

 large. Upper labials seven or eight in number, last largest. 

 Symphyseal very broad and followed by one wide azygous 

 sublabial (postmental), and several large, paired sublabials 

 in contact with infralabials. All scales on body, limbs, and 

 tail similar in shape, very smooth, and strongly imbricate. 

 Lower caudals of median series greatly enlarged transversely. 

 Upper caudals about size of dorsals, larger than laterals, 

 ventrals and gulars. About 28 rows of scales encircling 

 middle of body. About 57 scales in a row between head and 

 tail. 



Professor Cope describes the colors of this species as 

 follows: "The very young in this species (head and body, 

 37.5 mm.) is entirely black, the end of the tail becoming 



