AMPHIBIANS 



l6l 



B. terrestris Bonnaterre (Fig. 85). Color dusky, with a pale mid- 

 dorsal line and an irregular row of yellowish spots on the flank; belly 

 yellowish white; length 70 mm.; cranial crests prominent, each ending 

 in a knob: North Carolina to Florida and westward to the Mississippi. 



B. quercicus Holb. Body small, brown in color, with a light 

 middorsal line on each side of which are 3 or 4 pairs of black blotches; 

 underneath white; length 27 mm.; parotoids long and oval: North 

 Carolina to Florida; the smallest species. 





Fig. 83. — Under surface of Bnfo americaniis {from Dickerson). 



B. hemiopkrys Cope. Color brown, with a yellowish middorsal line, 

 on each side of which are 2 or 3 rows of brown spots; cranial crests 

 parallel; belly spotted; length 60 mm.: North Dakota and Manitoba. 



B. woodhousii Girard (Fig. 86). Color brown, with a pale middorsal 

 line and 3 pairs of brown spots; belly yellow; length 90 mm.; head short, 

 with thickened cranial crests posteriorly: Texas to Kansas and ]Mon- 

 tana; westward to Nevada and eastern California. 



B. pundatus Baird and Girard. Body small and slender; color light 

 brown above and yellowish white beneath; length 52 mm.; parotoid 

 gland small and round: western Texas to southern California. 



