702 AMPHIBIA. — BUFONID-a;. 



* Maxillary t*etli pissent in tha npper jaw. a. 



* Maxillary teeth wanting, i. 

 a. Tips of toea nsdilated. c. 



a. Tips of toes dilated, forming disks Htxid.s. 



}>. Parotoids present ; toss palmate. BuFONii>.a. 



J). Parotoids nene ; toes distinct Ei7GTST0MrD.fi. 



u. Parotoids present. ... ... Alytid.«i. 



CI. Paroteids none. ....... Sanidji. 



Jlytida, extralimital, characterized by a stont, toad like body ; parotoids present ; 

 npper maxillary and vomer dentigerons ; tongiie roonded, nearly entire, slightly, if at 

 all, free behind ; ear perfect ; pnpil of eye vertical ; toes nndilated, palmate ; sacral 

 diapophyses dilated; vertebra pro- or opisthoccelian ; mannbrinm cartilsginons, and 

 usually the cuneiform bone developed into a kind of shovel, an adaptation to their fos- 

 sorial|habitB, has two North America genera, Sjpea and Scaphiopus ; the latter, with three 

 species, of which ScapMopue holhrookii, Proc. Acad. Nat. Sci. Phil., 1863, p. 54, and 

 DeKaj's Keptiles of N. T., p. 66, ranges from Massachosetts, Connecticat, New York, 

 Maryland, to South Carolina, Florida, and Mississippi. It digs with celerity and soon 

 buries itself, pairs and oviposits within a few hours after awaking in spring, 



JCngy$tomida, extralimital, has no maxillary teeth, no parotoid, no epiooracoid, but with 

 a perfect ear, nndilated distinct toes, and dilated sacral diapophyses, is represented 

 in North Aiaerioa, by one species Engyatoma carolinense, Holbrook, North ^American 

 Herp., V. p. 23, which ranges from South Carolina, Georgia, and Florida, to Louisiana, 

 and Mississippi. " Mexico." 



FAMILY BUFONID^. THE TOADS. 



Posterior feet scarcely as long as the body ; fingers four; toes live, palmate and nn- 

 dilated ; skiu usually warty ; parotoids very large ; ear perfectly developed ; month 

 edentnlone ; tongue large, fieohy, attached in front, entire and free behind, and capable 

 of being used as an instrument of prehension ; eacral diapophyses dilated ; acromion 

 and coracoid connected by a cartilaginous arch ; cuneiform bone usually prolonged into 

 a distinct plantar tubercle ; terrestrial and nocturnal. 



Genus BUFO. Lanrenti. 



Body very rough and warty ; head short ; crown flat, or with slight ridges ; tongue 

 elliptical ; muzzle rounded or truncated ; males generally with an internal vocal sac, 

 which communicates with the mouth by two orifices ; lateral cutaneous folds wanting ; 

 parotoid with distinct pores. 



BuFO LBNTIGINOSTJS ShaW. 



Amcricaa Toad. 



Bana teneatria, Catbsbt. 



Bana musiea, LlNNiEUS. 



Bufo lentiginotut, Shaw, Gunthkr, Copb. 



Bufo musiciu, Latrbihb, Daudin, Merrem, Gravknhoest. 



TelmatoMua lentiginosue, Leconte. 



Bufo amerioanus, Holbrook, DeKay, Stoker. 



