13. PHRYNOSOMA 409 



south from Tucson, Las Gijas, Baboquivari Mountains), 

 Gila (Globe), Maricopa (Phoenix, Higley), and Yuma 

 (Gila and Colorado Desert), counties., 



In Sonora, it has been collected at Hermosillo. 



The only Lower Californian record is a specimen from 

 Las Animas Bay, formerly No. 90 of the collection of the 

 California Academy of Sciences, which was examined and 

 recorded by both Mr. Locldngton and myself. 



Habits. — This horned toad lives upon the lower desert 

 areas of southern Arizona and seems not to ascend into the 

 mountains, where P. d. hernandesi is at home. It eats mul- 

 titudes of ants, and perhaps other insects. 



83. Phrynosoma cornutum (Harlan) 



Texas Horned Toad 



Plate ZS 



Agama cornuta Harlan, Journ. Acad. Nat. Sci. Phila., Vol. IV, 1825, 

 p. 299, pi. XX (type locality, Great Plains east of the Rocky 

 Mountains); Harlan, Medical and Physical Researches, 1835, 

 p. 141. 



Phrynnsoma bufonium Wiegmann, Isis, Vol. XXI, 1828, p. 367; Gray, 

 Griffiths Animal Kingdom, Syn. Rept., 1831, p. 45. 



Tapaya cornuta Cuvier, Reg. Anim. Vol. 1829, p. 37. 



Phrynosoma cornutum Gray, Griffith's Animal Kingdom, Syn. Rept., 

 1831, p. 9; HoLBROOK, N. Amer. Herpetology, Ed. i. Vol. Ill, 

 1838, p. c^s, pl- 9> & Ed. 2, Vol. II, 1842, p. 87, pi. XI; Dekay, 

 Zool. New York, Vol. Ill, 1842, p. 31; Gray, Cat. Lizards Brit, 

 Mus., 1845, P- 229; Girard, Stansbury's Exped. Great .Salt Lake, 

 1852, p. 360, pl. VIII, figs. 1-6; Blanchard, Organ. Regn. Anim., 

 1852, Pt. V, pl. XII; Hallowell, Sitgreaves' Exped. Zufii and 

 Colorado Rivers, 1853, pp. 119, 145; Baird & Girard, Marcy's 

 Explor. Red River, 1854, p. 204; Girard, U. S. Explor. Exped., 



1858, p. 403, pl. XXI, figs. 6-9; Baird, U. S. Mex. Bound. Surv., 

 Vol. II, 1859, Rept., p. 9; Baird Rept. Pac. R. R. Surv., Vol. X, 



1859, p. 37; Bocourt, Miss. Sci. Mex., Reptiles, le livr., 1870, pl. 

 XII, fig. 9, et 46 livr., 1874, p. 236; Cope, Bull. U. S. Nat. Mus., 

 No. I, 1875, p. 49; Yarrow, Surv. VV. looth Merid., Vol. V, 1875, 



