4. BTTFO. 



293 



17. Bufo mexicanus. 

 Bufo mexicanus, Brocchi. Bull. Soc. Fhilom. (7) iii. p. 23. 



Crown without distinct liony ridges. Tympanum large, very- 

 distinct. First finger a little longer than second ; toes half webbed ; 

 two metatarsal tubercles. Back covered with small round tubercles ; 

 parotoids subquadrangular. Brown above, with a few white spots, 

 most distinct on the upper lip ; beneath immaculate. 



Mexico. 



18. Bufo variegatus. 



Nannoplirvne variegata, Giinth. Proc. Zool. Soc. 1873, p. 402, pi. 30. 

 f. 1 & 2.' 



Crown without bony ridges ; snout short, blunt ; interorbital 

 space as broad as the upper eyelid ; tympanum absent. First finger 

 not extending beyond second ; toes short, fiattened, one-third webbed, 

 with double subarticular tubercles ; two moderate metatarsal tu- 

 bercles ; no tarsal fold. The hind limb being carried forwards along 

 the body, the tarso-metatarsal articulation reaches the shoulder or 

 the eye. An ovate, well-defined parotoid gland behind the eye ; 

 other similar glands on the upper surfaces. Dark brown above, 

 ornamented with five more or less defined light lines along the back, 

 the middle one being generally the most distinct ; beneath marbled 

 with black. Male without vocal sac. 



C. Darwin, Esq. [P.]. 



Dr. Cunningham [P.]. ) 



Dr. Cunningham [P.]. ( Trpes. 



Lords of the Admiraltv. ( " ^ ' 



[P]- . ' ) 



Dr. Coppinger [C.]. 



Dr. Coppinger [C 

 Dr. Coppinger [C 

 Dr. Coppinger [C. 

 Dr. Coppinger [C. 

 Dr. Coppinger [C "" 

 Dr. Coppinger [C.]. 



19. Bufo calainita. 



Bufo calamita. Giinth. Cat. p. 57. 

 Bosel, Hist. Ban. p. 107, pi. 24. 

 Bufo calamita, Law. &ij>i. Bept. p. 27, pi. 1. f. 1 ; Battel. Bain. p. 77, 



pi. 2S. f. 1, and Bept. viii. p. loo; Bcnap. Faun. Bal. ; Bell, Brit. 



Bept. p. IIG; Steindachn. Nomra, Amjh. p. 40; Fatio, Vot. 



Suisse, m. p. 402; Koch, Ber. Stmk. Ges. 1^72, p. ICG ; Schreib, 



Herp. Fur. p. 141 ; F)e Betta, Faun. Bal., Betf. Anf. p. 7o ; 



Lataste. Herp. Gir. p. 29] ; Leydicj, An. Batr. p. 30 ; Bouleng. 



Proc. Zool. Soc. 1880, p. 547. 



