aio 



BTJFONID^. 



Holbr. N.-Amer. Herp. v. pi. 1 ; Bum. ^ Bibr. p. 689 ; Leconte, 



Proc. Ac. Philad. 1855, p. 430. 

 Biifo lentiginosus, Girard, Proc. Ac. Philad. 1864, p. 86. 

 Chilophryne lentiginosa, Cope, Proc. Ac. Philad. 1863, p. 357. 



Upper yiew of head. Lower surface of foot. 



Supraorbital ridges swollen behind and produced beyond the 

 angle of the postorbitals ; subarticular tubercles generally simple ; 

 metatarsal tubercles moderate. 

 $, t. Many spec. : N. America. E. Doubleday, Esq. [P.]. 



Mr. Cope (Check-list N. Amer. Eept.) distinguishes besides the 

 three foUowing varieties : — ■ 



Vak. C. frontosns. 

 ^ Bufo frontosus. Cope, Proc. Ac. Philad. 1866, p. 301. 



Vae. D. cognatas. 

 Bufo cognatus, {Say) Holbr. N.-Amer. Herp. v. p. 21. 



Vae. E. fowleri. 



Bufo fowleri, Putnam, MS. 



46. Bufo occipitalis. 



Bufo occipitalis, Camerano, Aiti Ac. Tor. xiv. p. 889. 



Crown deeply concave, on each side with a straight bony ridge, 

 very prominent and swollen behind (resembling a parotoid) ; a slight 

 orbito-tympanio ridge. Snout pointed, prominent ; tympanum small, 

 not very distinct. Eirst and second fingers equal ; toes nearly 

 entirely webbed ; two moderate metatarsal tubercles ; no tarsal 

 fold. The hind limb being carried forwards along the body, the 

 tarso-metatarsal articulation marks the tip of the snout. Skin 

 covered with small granular tubercles ; parotoid moderate, its lower 

 border forming an angle. 



Mexico. 



