GOO ZOOLOGY— REPTILES AND BATRACHIANS OF ARIZONA. 



Dipsosaurus dorsalis, Hallow., Proc. Acad. Nat. Sci. Phila,, vii, 1854, 92. —Cope, 

 Proc. Acad. Nat. Sci. Pliila., 1800, 310.— Id., Check-List, 1875, 48. 



From the Colorado Desert. Not noted by me. 



27. Callisaurus dracontoides ventralis, (Hallow.) Bil. 



b. VENTRALIS. 

 Homalosaurus ventralis, Hallow., Proc. Acad. Nat. Sci. Pliila., \ i, 1852, 179. — Id., 



Sitgreavc's Exp. Zufii & Col. Riv., 1854, 117, pi. 6. 

 Callisaurus ventralis, Rd., U. S. & ilex. Bound. Surv., ii, pt. ii, 1S59, Reptiles, 8. 

 Callisaurus dracontoides subsp. ventralis, Cope, Check List, 1875, 47. 



Like the last, from the .southern desert portions of the Territory, and 

 not observed by me. Callisaurus var. gabbl (Cope, Check-List, 47) is a form 

 from Owen's Valley, California, likely to be found in Arizona, 



28. Sauromalus ater, Dumeril. 



Savromalus ater, " Duar., Arch, dti Mus. " — Cope, Check-List, 1S75, 47. 



Euphryne obesa, Bd., Proc. Acad. Nat, Sci. Phila,, 1858, p. — . — Id., U. S. & Mex. Bound, 



Surv., ii, pt. ii, 1859, 0, pi. 27.— Cope, Proc. Acad. Nat. Sci. Phila., 1SC6. 

 310. 



Fort Yuma. 



29. Uma notata, Bd. 



Uma notata, Bd., Proc. Acad. Nat, Sci. Phila,, 1858, 253 (Mojave Desert, Heermann).— 

 Cope, Check- List, 1S75, 47. 



Ears distinct; a very long- infraorbital plate; palate without teeth; 

 outer face of upper labials plane and broadly vertical ; the labials them- 

 selves much imbricated and very oblique ; scales of body above equal, much 

 smaller than ventral ones ; interorbital space with two series of plates ; 

 claws very long', slender, and straight; sides with a round black spot. 



Head about two-fifths the head and body; above light pea-green, 

 spotted with darker green ; beneath white ; head and body about two inches 

 long. — (Descr. orig. gen. et sp.) 



Fort Buchanan, Ariz., Dr. B. J. D. Irwin, U.S.A. Originally described 

 from the Mojave Desert, 



.">H. Holbrookia texana, (Trosch.) Bd. & Oir. 



Coposavrus texanus, Trosch., Arcliiv f. Naturg. tor 1850(1852), 38!), pi. 0. 



Holbrookia texana, Bd. & On;., Proc. Acad. Nat. Sci. Phila., vi, 1852, 125.— Bd., D. 



S. & .Mex. Bound. Surv., ii, pt. ii, 1859, Reptiles, 8, pi. 30.— Id., P. R. 



R. Rep., x, 1859, Whipple's Route, Reptiles, .'18. — Cope, Proc. Acad. Nat. 



Sci. Phila.. 1866, 303 Id., Check-List, 1875, 47. 



Holbrookia approximate, Bd. 



