604 ZOOLOGY REPTILES AND BATRACHIANS OF ARIZONA. 



i'7b. Cnemidophorus tessellatus tigris, (Bd. & Gir.). 



Cnemidophorus tigris, BD. & GIR., Proc. Acad. Nat. Sci. Phila., 1852, 69. lid., Stans. 



Eep. Exp. Great Salt Lake, 1853, 338. BD., U. S. & Mex. Bound. Surv., 



ii, pt. ii, 1859, Eeptiles, 10, pi. 33. 



f Cnemidophorus marmoratus, BD. & GIB., Proc. Acad. Nat. Sci. Phila., 1852, 128. 

 ? GnemiAopliorus undulatus, HALLOW., Proc. Acad. Nat. Sci. Phila., 1854,94. Id., P. R. 



R. Rep., x, 1859, Williamson's Route, Reptiles, 8. 



Utah and southward in the Sonoran region. The true tessellatw of 

 Say, which splits into several conspecies, is indicated by authors from 

 Colorado. 



BCINCIDAE. 



38. Eumeces obsoletus, (Bd. & Gir.) Cope. 



Plestiodon dbsolctum, BD. & Gm., Proc. Acad. Nat. Sci. Phila., 1852, 129. HALLOW., 



Sitgreave's Exp. Zufli & Col. Riv., 1853, 111. 

 Plestiodon obsolelus, BD., U. S. & Mex. Bound. Surv., ii, pt. ii, 1859, Reptiles, pi. 25, figs. 



9-16. Id., P. R. R, Rep., x, 1859, Whipple's Route, Reptiles, 39. 

 riixtodon obsoletus, COPE, Proc. Acad. Nat. Sci. Phila., 1866, 304. 

 Eumeces obsoletus, COPE, Check-List, 1875, 45. 



The specimen, to which no locality is assigned in Professor Cope's 

 article above cited, was taken at Bero Springs, N. Mex., from among some 

 aquatic plants of a pool. It appeared sluggish, and was easily caught. 



.">'.. Eumeces guttulatus, (Hallmo.) Cope. 



Lninprosmtrus guttulatus, HALLOW., Proc. Acad. Nat. Sci. Phila., 1852, 206. Id., Sit- 



grcave's Exp. Zuni & Col. Riv., 1853, 113, pi. 4. 

 Plestiodon guttulatus, HALLOW., Proc. Acad. Nat. Sci. Phila., 1857, 215. BD., U. S. & 



Mex. Bound. Surv., ii, pt. ii, 1859, Reptiles, 12. Id., P. R. R. Rep., x, 1859, 



Whipple's Route, Reptiles, 18. 



Plistodon guttulatus, COPE, Proc. Acad. Nat, Sci. Phila., 1866, 304. 

 Eumeces guttulutus, COPE, Check-List, 1875, 45. 



From Fort Whipple, my collection. 



OPHIDIA. 



SOLENOGLYPHA. 



OEOTALIDAE. 



40. Caudisona confluenta, (Kay) Cope. 



Crotalus conflnentus, SAY, Long's Expecl. Rocky Mts., ii, 1823, 48. BD. & GIR., 

 Cat. N. A. Rept,, 1853, 8. BD., P. R. R. Rep., x, 1859, Whipple's Route, 

 Reptiles, 40, pi. 24, f. 4. Id., U. S. & Mex. Bound. Surv., ii, pt. ii, 1859, 

 Reptiles, 14. COOP. & SUCKL., Nat. Hist. Wash. Terr., 1860, 295, pi. 12. 

 COPE, Check List, 1875, 33. 



