PLATE XI 



American Toad (Bufo lentiginosus americanus). 



1. A female toad which was dug out of a sandy-loam bank, March 13, 1898. Wide awake 



when submitted to the temperature of a warm room. X0.75. 



2. The same toad re.suming the hibernating attitude when placed out-of-doors in a temper- 



ature almost freezing. X0.75. Figs. 1 and 2 by S. H. Gage. 



3. A toad in its summer burrow. Photo by A. A. Allen. 



4. A croaking male partly in the water. Flash-light. 



