50. PHRYNOSOMA, 241 
® Tapaya hernandesi, Girard, U. 8S. Explor. Exped., Herp. p. 395; 
Bocourt, Miss. Se. Mev., Rept. p. 228. 
Tapaya ornatissima, Girard, l. c. p. 396; Bocowrt, 1. c. p. 227, pl. xi. 
fie. 6, 
brevirostris, Girard, 1. ce. p. 897 ; Bocourt, l. c. p. 229. 
—— douglassi, Girard, l. e. p. 897, pl. xxi. figs. 1-5; Bocourt, 1. ¢. 
p. 226, pl. xi. fie. 5. 
Phrynosoma brevirostre, Cope, Proc. Ac. Philad, 1866, p. 802. 
douglassi pyginvea, Yarrow, Proc, US. Nat, Mus. v. 1882, p, 443. 
Head broader than long, with the spines very small; nostril 
pierced in the line of the canthus rostralis ; tympanum naked ; the 
head-spines, which are subequal, not or but slightly larger than the 
largest spinose scales on the body, and turned upwards; they number 
on each side one postorbital, one occipital, and three temporals; in 
very young specimens the spines are not distinguishable. Lower 
labials terminating in a series of four or five large, compressed, 
obtuse or pointed scales; a series of enlarged scales, as large as 
or a little larger than, and parallel to, the lower labials; gular 
scales equal, smooth; gular fold strong; a dermal thickening, 
bearing a few small erect spines, on each side between the gular 
foldandthe tympanum. Back and limbs with scattered, large, erect, 
keeled, spinose scales, which are longer than broad; a regular 
lateral series of spines ; pectoral and ventral scales perfectly smooth. 
Fifteen to twenty-one femoral pores on each side in the male, 
twelve to fifteen in the female, the series not joining medially. 
Male with enlarged postanal scales. Tail twice to twice and a half 
as long as the head. Yellowish, greyish, or brownish above, with 
more or less distinct large, dark, light-edged spots forming longi- 
tudinal and transverse series; lower surfaces whitish, uniform or 
scantily dotted with grey. 
millim. A millim 
Total length ...... 94 Fore limb........ 26 
TOA: gues feiss cate w 14 Hind limb........ 33 
Width of head .... 18 Ba. cay oh a nom oe 30 
Body va secede 50 
United States. 
a-b. § & her. California. T. Bell, Esq. [P.]. (Types.) 
C3. Ox Kansas. 
d-g. 9 &hgr. Western N. America. J. K. Lord, Esq. [P.]. 
h. Several specs.: N. America. 
e & yg. 
2, Phrynosoma orbiculare. 
Phrynosoma orbiculare, Gray, Cat. p. 228. 
Lacerta orbicularis, part., Linn. S. N. 1. p. 266. 
Phrynosoma orbiculare, Wiegm. Isis, 1828, p. 867; Wagl. Icon. 
Amph. pl. xxiii. ; Gravenh, Nova Acta Ac. Leop,-Carol. xvi. 1833, 
p. 911, pl. Ixiii.; Wiegm. Herp. Mex. p. 53; Dum. & Bibr. iv. 
p. 321; Girard, m Stansb. Exped. Gr, Salt Lake, p. 359; Sumi- 
chrast, Arch. Se. Phys. Math. xix. 1864, p. 60. 
Phrynosoma wiegmanni, Gray, Zool. Beechey’s Voy. p. 96. 
R 
VOL, Il. 
