324 BUPONID^. 



71. Bufo argillacsus. 



Bufo argillaceus, Coi^e, Proc. Ac. Fkilad. 1868; p. 138. 



Differs from B. granulosus in lacking the preorbital ridge and 

 having a longer muzzle. A tarsal dermal fold. Parotoids elongate 

 trigonal, the long angle prolonged towards the sides. 



Western Mexico. 



72. Bufo granulosus. 



Bufo granulosus, Gilnth. Cat. p. 07, pi. v. f. A. 

 Bufo grauulosus, Spix, Spec. Nov. Test. Ran. p. 51, pi. 21. f. 2 ; Peters, 



Mon. Berl. Ac. 1872, p. 22o. 



globulosus, S^iLv, I. c. p. 49, pi. 19. f. 1. 



Chaimus marmoratus, Wagl. Isis, 1828, p. 744. 



globulosus, Waf/l. Si/sf. Amph. p. 20.5. 



Bufo uasutulus, Wier/m. Isis, 183.3, p. 6513 ; Peters, Mon. Berl. Ac. 



1863, p. 80 ; Steindachn. Novnra, Amph. p. 45. 



strumosus, part., Dum. 4'- Bibr. p. 710. 



Phrynoidis grauulosus, Cope, Proc. Ac. Philad. 180.3, p. 357. 



Derm of head more or less completely involved in cranial ossifi- 

 cation ; a slight bony ridge round the ej-e ; snout acuminate, pro- 

 minent ; interorbital space slightly broader than the upper eyelid ; 

 tympanum distinct, about two thirds the width of the eye. First 

 finger not extending beyond second ; toes half webbed, with double 

 subarticular tubercles ; two moderate metatarsal tubercles ; no tarsal 

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

 tarso-metatarsal articulation reaches the shoulder or the tympanum. 

 Upper surfaces covered with small, frequently spiny tubercles ; 

 parotoids moderate, subtriaugular, frequently rather indistinct. 

 Brownish above, marbled with darker : lower surfaces immaculate. 

 Male with a subgular vocal sac. 



E. 8. America. 



J. P. G. Smith, Esq. [P.]. 

 W. A. Forbes, Esq. [P.]. 

 Sir A. Smith [P.]. 

 H. W. Bates, Esq. [C.J. 



73. Bufo giitturosus. 



Bufo gutturosus, Gi'mfh. Cat. p. 67, pi. v. f. B. 

 Bufo gutturosus, Latr. Itept. ii. p. 135 ; Daiid. Rain. p. 82, pi. 34. 



f. 2 (B. strumosus), and Rept. viii. p. 166. 

 Bombinator strumosus, Merr. Tent. p. 179. 

 Bulo strumosus, Qravenh. Delic. t. 9. f. 3. 



strumosus, part., Dum. S^- Bihr. p. 716. 



Phrynoidis gutturosus, Cope, Proc. Ac Philad. 1863, p. 357. 

 Peltaphryne lemur, Cope, Proc. Ac. Philad. 1808, p. 311. 



Derm of head involved in cranial ossification ; crown with pro- 

 minent ridges, viz. a canthal, a preorbital, a supraorbital, a post- 



