LACEETILIA— IGUANIDAE— PnEYXOSOMA COENUTUM. 



579 



PHEYNOSOMA PLAXICEPS, Hallow. 



Plate XXIV, Eig. 1. 



Phrynosoma planiceps, Hallow., Proc. Acad. Nat. Sci. Pbila., 1S52, 178. — Cope, Check- 

 List N. A. Batrach. & Eept,, 1875, 49. 



Hab. — Southeru Sonorau Subregion. 



As already remarked, this rare and interesting species has been lost 

 sight of since Girard's description was published. It was rediscovered in 

 1873 in Southeastern Arizona by Mr. Henshaw. 



No. 



Locality. 



Date. 



Collector. 



R5 

 R5. i 





. 1S73 



1S73 



H. W. Henshaw. 

 Do. 



do 





FHEYNOSOMA COEXUTUM, Harlan. 



Phrynosoma cornutum, Harlan, Jour. Acad. Nat. Sci. Pbila., iv, 1S25, 299. — Gray, 

 Syn. Eept. Griff. Cuv., ix, 1831, 45. — Gieaed, Staus. Eep. Exp. Great 

 Salt Lake, 1852, 300, pi. viii, figs. 1-0.— Ed., U. S. & Mex. Bound. Surv., 

 pt. ii, Eeptiles, 1859, 9.— Cope, Check-List X. A. Batrach. & Eept., 1875, 49. 



Hab. — Texas, Arizona, and Xew Mexico. 



This species resembles P. coronatum in having a double series of hori- 

 zontal pyramidal scales on the periphery of the abdomen. Occipital and 

 temporal spines more slender than in P. coronatum. Femoral pores incon- 

 spicuous, while in P. coronatum they are well marked. 



This is a southern form, not having been met with north of New 

 Mexico. 



No. 



A 115 

 A 1098 



1174 

 1 183 



2 Y 

 1191 

 L55 



Locality. 



Ralston, Ariz 



Camp Lowell, Ariz . 



Camp Apache, Ariz 



Camp Bowie, Ariz 



San Ildefonso, N. Mex 



Camp Bowie, Ariz 



Abiquiu, N. Mex 



Date. 



Oct., 1S73 

 July, 1S74 



July, 1874 

 Aug., 1S74 



.... do 



....do .... 

 Sept., 1874 



Collector. 



Dr. C. G. Newberry. 



H. W. Henshaw and Jas. M. 



Rutter. 

 Jas. M. Rutter. 



Do. 

 Dr. H. C. Yarrow. 

 H. W. Henshaw. 

 Dr. O. Loew. 



