COLOR PLATE V 



To show coloration of four toads of Southwestern North 

 America. 



(1) Bufo punctatus Bd. and Gird. Tucson, Ariz. 



(2) Bufo cognatus Say. Phoenix, Ariz. 



(3) Bufo valliceps Wiegm. Brownsville, Texas. 



(4) Bufo alvarius Girard. Phoenix, Ariz. 



Refer to Inde.\~ to locate descriptions. 



