10 UNITED STATES AND MEXICAN BOUNDARY. 



43. DOLIOSAURUS MODESTUS, Girard. 



Phrynosoma modestum, Girard 



figs. 4—8. 

 rard. Hero. 



No. 164. San Antonio to El Paso.— No. 166. Sonora. J. H. Clark.— No. 168. Los 

 Nogales. — No. 170. Janos. Dr. Kennedy. 



44. CNEMIDOPHORUS GRAHAMII, B. & G. 



Plate XXXII, Figs. 1—6. 



Cnernid ophorus 



45. CNEMIDOPHORUS INORNATUS, Baird. 



Cnemidophorus inornatus, Baird, Pr. A. N. Sc. Dec. 1858. 



Sp. Ch. — Scales on the gular fold smaller than those on the breast anteriorly, and scarcely larger than 

 those on the middle of the chin. Scales of back tubercular and elevated. Hind feet about two-fifths the 

 head and body. General color light greenish olive, paler beneath. No lines on the body. 



3032. Pesquieria Grande. New Leon. Lieutenant Couch. 



46. CNEMIDOPHORUS OCTOLINEATUS, Baird. 



Cnemidophorus oetolineoius \ Baird, Pr. A. N. Sc. Dec. 1858. 



Sp. Ch. — Gular fold as in the last. Hind foot not two-fifths the head and body. Scales of back depressed 

 General color light greenish olive, paler beneath. Back with eight equi-distant and approximated light lines 



3009. Pesquieria Grande. New Leon. Lieutenant Couch. 



47. CNEMIDOPHORUS PERPLEXUS, B . & G . 



Cnemidophorus perplexus, B. & G. Pr. A. N. Sc. VI, Aug. 1852, 128. 



3020. San Pedro, Texas. J. H. Clark.— 3008. Tucson. Dr. Kennerly, 



48. CNEMIDOPHORUS TIGRIS, B. & G. 



Plate XXXIII. 



Cnemidophorus tigris, B. & G. Pr. A. N. Sc. VI, Ap. 1852, 69. 



? Cnemidophorus marmoratus, B. & G. Pr. A. N. Sc. VI, Aug. 1852, 128. 



Cnemidophorus undulatus, Hallow. Pr. A. N. Sc. VII, June, 1854, 94. 



3024. San Antonio to El Paso. J. H. Clark.— 3036. Laredo. A. Schott. 



49. CNEMIDOPHORUS GRACILIS, B. & G. 



Plate XXXIV, Figs. 7—14. 



Cnemidophorus gracilis, B. & G. Pr. A. N. Sc. VI, Aug. 1852, 128. 



3019. Castanuelas, Coahuila. Lieutenant Couch. 





3045. San Antonio to El Paso. J. H. Clark. — 3044. Los Nogales. Dr. Kennerly. 







i 



