COLOR PLATE V 



To show coloration of four toads of Southwestern North 

 America. 



(i) Btifo pmidatus Bd. and Gird. Tucson, Ariz. 



(2) Bufo cognatus Say. Phoenix, Ariz. 



(3) Biifo valliceps Wiegm. Brownsville, Texas. 



(4) Biifo alvarius Girard. Phoenix, Ariz. 



Refer to Index fo locate descriptions. 





