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Show 516 MR. G. A. BOULENGER ON THE [May 18, 6. 37 38 36 38 33 34 36 34 40 38 45 48 43 45 44 41 45 45 44 43 43 43 41 44 43 7. 7 7 7 8 6 6 6 7 7 7 7 8 8 9 10 9 9 9 10 9 9 9 8 9 9 8. 36 35 38 40 34 36 38 37 37 38 42 42 40 40 39 42 44 44 42 42 42 42 40 43 42 9. 16-16 15-15 17-16 14-13 15-15 14-15 15-15 17-17 14-13 13-15 15-15 17-16 17-17 17-17 17-16 18-18 17-17 19-18 17-17 17-17 18-17 19-20 16-17 19-18 16-17 white beneath, uniform or with oblique blackish lines on the throat. Hab. This species, wdiich may have to be united wdth the preceding, inhabits the greater part of Mexico ; it is said to penetrate northwards a little way into South-western Texas and Arizona, although the determination of the specimens on which the statement is made requires revision, for some of them at least prove, according to Stejneger, to belong to S. variabilis. 26. SCELOPORUS VABIABILIS. Sceloporus variabilis, Wiegm. Herp. Mex. p. 51 (1834) ; Bocourt, Miss. S c Mex., Eept. p. 200, pl. xviii. bis, fig. 1, & pl. xix. fig. 2 (1874); Cope, Proc A m . Philos. Soc. xxii. 1885, p. 394; Bouleng. Cat. Liz. ii. p. 236 (1885); Giinth. Biol. C.-Am., Eept. p. 75 (1890); Stejneger, Proc. U.S. Nat. Mus. xiv. 1891, p. 485. Tropidolepls variabilis, Dum. & Bibr. Erp. Gen. iv. p. 308 (1837); Gray, Cat. Liz. p. 209 (1845). Sceloporus marmoratus, Hallow. Proc Ac. Philad. 1852, p. 178, and in Sitgreave's Exped. Zuni & Color. B. p. 110, pl. ii. (1853). Sceloporus dellcatlsslmus, Hallow. 11. cc pp. 178, 109, pl. i. Lysoptychus lateralis, Cope, Proc U.S. Nat. Mus. xi. 1888, p. 397, pl. xxxvi. fig. 1. Head-shields keeled or striated, rarely nearly smooth; frontal transversely dilated, sometimes also longitudinally, separated from Jalisco, N. of R. de Santiago, Smith !» 1) Zacatecas. Buller n u Guanajuato. Duges Atlixco. Boucard n ii Hac. del Bobo, S. Mexico. Hoege S. Mexico. Godman >i ii c i» ii • n n • n n Mexico. Boucard 1. 57 54 52 51 50 50 49 48 58 50 64 64 63 45 69 67 55 59 47 62 61 64 63 61 60 2. 11 11 11 11 10 10 10 10 11 10 12 12 12 10 13 13 10 11 9 13 12 12 13 12 12 3. 12 12 12 12 11 11 11 11 12 11 13 13 13 11 15 14 11 12 10 15 14 14 14 14 14 4. 11 11 11 11 10 10 10 10 11 10 12 12 12 10 14 14 11 12 9 13 12 13 13 13 5. 14 13 15 13 13 13 12 12 14 13 15 15 16 12 15 17 14 13 12 17 16 17 16 17 16 |
