50. PHRYNOSOMA. 241 



? Tapaya hemandesi, Girard, U. S. Uxjilor. Expect., Ilerp. p. 395 ; 



Bocourt, Miss. Sc. Met:, li^pt. p. 2:28. 

 Tapava ornatissima, Giranl, I. c. p. 390 ; Bocourt, I. c. p. 227, pi. xi. 



tig.G. 



brevirostris, Girard, 1. c. p. .397 ; Bocourt, I. c. p. 229. 



douglassi, Girard, I. c. p. 397, pi. xxi. tigs. 1-5 ; Bocourt, I. c. 



p. 220, pi. xi. fig. 5. 

 Phryuosoma brevirostre, Cope, Proc. Ac. Philad. 1800, p. 302. 

 douglassi pygmaja, Yarroiu,Proc. U.S. i\^a^. ikfws. v. 1882, p. 443. 



Head broader than long, with the spines very small ; nostril 

 pierced in the line of the canthus rostralis ; tympannm naked ; the 

 head-spines, which are subeqnal, 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 

 fold and the tympanum. Back and limbs with scattered, large, erect, 

 keeled, spinose scales, which are longer than broad ; a regular 

 Literal 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, uniforjn or 

 scantily dotted with grey. 



luillim. millim. 



Total length 94 Fore limb 2Cy 



Head 14 Hind limb 33 



Width of head 18 Tail 30 



Bodv 50 



United States. 



ah. S & hgr. California. T. Bell, Esq. [P.]. (Types.) 



c. c?- Kansas. 



d-y. 2 & hgr. Western N. America. J. K. Lord, Esq. [P.], 



h. Several specs. : N. America. 



2. PhrynoBoina orhiciilare. 



Pliryno.soma orbicularo, Graij, Cat. p. 228. 

 Lacerta orbicularis, part., Linn. S. N. i. p. 205. 

 Phrynosoma f)rbiculare, Wiegm. Isis, 1828, p. 307 ; JJ'aql. Icon. 



Amph. pi. xxiii. ; Gravenh. Nova Acta Ac. Lcop.-Carol. xvi. 1833 



p. 911, pi. Ixiii. ; Wiegm. llerp. Mex. p. 53; Dum. i^ Bibr.iv. 



p. 321 ; Girard, in Stanab. Exped. Gr. Salt Lake, p. 359; Sumi- 



chrast, Arch. So. Phi/g. Math. xix. 1804, p. 60. 

 Phrynosoma wiegmanni, Gray, Zool. Beechey^s Voy. p. 96. 



VOL. II. u 



