S AURI A— HELODERMATIDAE— UELODERM A SUSPECTUM. 601 



Originally described from Texas, and subsequently found in Arizona 

 by Mr. Arthur Schott and myself. The specimens do not retain indication 

 of precise locality. 



31. Holbrookia maculata, Gir. 



Holbrookia maculata, Gir., Proc. Am. Assoc, iv, 1850 (1851), 1201. — Id., Stans. Exp. 

 Great Salt Lake, 1852, 342, pi. G, tigs. 1-3.— Id., Marcy's Rep. Exp. Red. Riv., 

 1852, 223.— Bd., U. S. & Mex. Bound. Surv., ii, pt, ii, 1859, Reptiles, 8.— 

 Id., P. R. R. Rep., x, 1859, Gunnison's & Beckwith's Route, Reptiles, 18. — 

 Id,, ib., x, 1859, Whipple's Route, Reptiles, 38.— IIayd., Trans. Am. Phil. 

 Soc., xii, 1802, 177.— Cope, Proc. Acad. Nat. Sci. Phila., 1800, 303.— Id., 

 Check-List, 1875, 47. 



Holbrookia affinis, Bd. & GlR., Proc. Acad. Nat. Sci. Phila., vi, 1852, 125.— Bd., U. S. 

 & Mex. Bound. Surv., ii, pt. ii, 1859, Reptiles, 8. 



A species of general distribution in the southwest, along the Arkansas, 

 Red, Canadian, and Platte Rivers, in Utah, Texas, New Mexico, and Arizona, 

 as may be gathered from the foregoing references, and in some places ex- 

 tremely abundant. My specimens are from Fort Whipple, where the animal 

 is common. 



31«. Holbrookia maculata propinqua, Bd. & Gir. 



Holbrookia propinqua, Bd. & Gir., Proc. Acad. Nat. Sci. Phila., vi, 1S52, 120. — Bd., 



U. S. & Mex. Bound. Surv., ii, pt. ii, 1859, Reptiles, 8.— Cope, Proc. 



Acad. Nat, Sci. Phila., 1S00, 303. 



Numerous specimens, identified with this form by Professor Cope, are 

 represented in my collections, from various points along my line of march, 

 both in New Mexico and Arizona, It is perhaps the most abundant and 

 generally distributed representative of the genus in the latter Territory. 

 The earlier indications are from Texas. 



DIPLOGLOSSA. 



HELODERMATIDAE. 



32. Heloderma suspectum, Cope. 



Heloderma horridum, Bd., U. S. & Mex. Bound. Surv., ii, pt. ii, 1859, Reptiles, 11, pi. 



20 (not of Wiegm., Isis, 1829, 627, and Herp. Mex., 1834).— /(/., P. R. R. Rep., 



x, 1859, Whipple's Route, Reptiles, 38.— Cope, Proc. Acad. Nat, Sci. Phila , 



1S00, 303. 

 Heloderma suspectum, Cope, Check-List N. A. Batrach. & Rept., 1S75, 47.— Yarrow, 



Zool. Expl. W. 100th Mend., anted,. 



Loss of the label from the specimen in my collection, noted by Pro- 



