B U F O. — Laurenti. 



Genus Bufo. — Characters. Head short; jaws without teeth; tympanum visible; 

 behind the ear is a large glandular tumour, having visible pores; body short, thick, 

 swollen, covered with warts or papilte; posterior extremities but slightly elongated. 



BUFO AMERICANUS.— LecoH^e. 



Plate IX. 



Characters. Head short, snout rounded, nostrils placed near the snout; 

 tympammi small; post-tympanal gland narrow and much elongated; body short, 

 bloated; anterior extremities large, fingers free; posterior extremities short, toes 

 semipalmated. 



Synontmes. Bufo Americanus, Leconte. 



Bufo musicus, Harlan, Jour. Acad. Nat. Scien., vol. v. p. 344. 

 Common Toad, Vulgo. 



Description. The head is short, with the snout almost rounded: the nostrils 

 are small, and placed near the snout: the eyes are large and brilliant; the pupil 

 dark, with the iris presenting a minutely reticulated appearance, of black and gold; 

 the superciliary ridges are but slightly elevated: the membrane of the tympanum 

 is apparent, though small: the post-tympanal glands are narrow and very long, 

 almost semi-cylindrical. 



