^Nebulous Toad. Wiegmann's Toad. Mexican 



Toad. 



Plate XXIV. i, 2, 4. 

 Males (xf). 3. Male croak- 

 ing (xi). 



Bufo valliceps Wiegmann. 



Range: Louisiana, eastern 

 and south central Texas to 

 Costa Rica. 



Habitat: Lowlands in the 

 West Gulf Coastal Plain of 

 Louisiana, in the hills in 

 northwestern Louisiana, in 

 the pine lands of eastern 

 Texas, open stretches of 

 streams in central and south- 

 ern Texas. Frequently found 

 in railroad ditches or road- 

 side pools. 



Size: Adults, 2 1/8-5 

 inches. (Males, 53-98 mm. 

 Females, 54-125 mm.). 



General appearance: This is 

 \ a large brown toad, with a 

 light streak down the middle 

 ; of back from snout to vent, a 

 light area over each parotoid 

 and extending diagonally 

 backward to the groin. This 

 light lateral area is bordered 

 below with a fringe of white 

 conical tubercles. The skin of 

 back and venter is closely set 

 with tubercles. The venter 

 may be a uniform dirty white 

 or buff or speckled with dark 

 in varying degrees. There is a 

 light line on the upper lip 

 continued beyond the rear of 

 the angle of mouth by an- 

 other row of light tubercles. 

 The throat of the male is dis- 

 colored, a citrine drab or 

 water green. 



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