ANURA BUFONIDAE BUFO WOODHOUSII. 629 



77. Bufo debilis, Oir. 



Bufo debilis, GIK., Proc. Acad. Nat. Sci. Phila., vii, 1854, 57. GIR., apud BD., U. S.& 

 Mex. Bound. Surv., 1850, ii, pt. ii, 27. COPE, Check-List, 1875, 29. 



Bufo insidior, GIR., Proc. Acad. Nat. Sci., 1854, 88. GIR. apud BD., U. S. & Mex. 

 Bound. Snrv., ii, pt. ii, 1859, Reptiles, 26, pi. 41, figs. 13-18. 



Upper surface of head plane and smooth. Snout siibacute, protruding. 

 Mouth moderate ; upper jaw slightly emarginated. Tongue elongated, 

 tapering toward both extremities. Tympanum inconspicuous. Parotoids 

 large and elongated, obliquely situated across the shoulders. Limbs mod- 

 erate. First finger equal to the second in length. A carpal disk and a 

 tubercle. Toes slightly webbed at their base. Two metatarsal tubercles. 

 No membranous fold at the inner lower edge of the tarsus. Skin papillous 

 above, warty beneath. Above of a bluish slate, but with black markings. 

 Beneath unicolor, of a dingy-yellow tint. Grirard, I. c. 



Chihuahua and "Sonora" (i. e. Arizona). 



78. Bufo woodhousii, Gh: 



Bufo dorsalis, HALLOW., Proc. Acad. Nat. Sci. Phila,, 1852, 181 (nee 8pix).Id., Sit- 



greave's Rep. Exp. Zuui & Col. Riv., 1853, 142, pi. 19. 

 Bufo woodhousii, GIR., Proc. Acad. Nat. Sci. Phila., 1854, 86. Id., U. S. & Mex. 



Bound. Surv., ii, pt, ii, 1859, Reptiles, 27. Id,, P. R. R. Rep., x, 1859, Guu- 



nison & Beckwith's Route, Reptiles, 20. Id., ib., x, 1859, Wnipple's Route, 



Reptiles, 44, pi. 25, i. 1. 



Head short and thick ; upper central surface but little depressed, not 

 to say grooved ; the suborbital ridge being slightly elevated. The occipito- 

 temporal ridge is thicker, and hence a little more conspicuous. Snout 

 rounded; nostrils terminal. Mouth wide; upper jaw emarginated. Tympa- 

 num and parotids of moderate size. Limbs rather short and stout ; first 

 finger much longer than the second; a large metacarpal disk; toes semipal- 

 mated ; two metatarsal tubercles, a very large and a very small one ; no 

 membranous fold at the inner lower edge of the tarsus. Papillae of medium 

 size upon the back. Inferior surface with rather small, crowded, granular 

 warts. Above dark-brown, with numerous lines of yellow. A dorsal yellow- 

 ish vitta running the whole length of the body. Transverse blotches of black 

 upon the thighs and forearms. Beneath ochraceous. Girard. 



A species which appears to be of very general distribution in the South- 



