List of Half-Tones 



Plate Facing Page 



of the Bullfrog's mouth. Fig. 280. Bullfrog 

 Tadpole, one day previous to the time of activity 

 of the arms 234 



XCII Fig. 281. Hand of a Bullfrog. Fig. 282. Foot 

 of a Bullfrog. Figs. 283-284. Studies of the 

 Bullfrog Tadpole 235 



XCIinFigs. 285-289. Development of the Bullfrog 



XCIV ) Tadpole: right arm breaks through skin; ab- 

 sorption of tail begins; legs do all the work of 

 swimming; comfortable out of water; constantly 

 rushes to surface for air; tail merely a black 



stub 236 and 237 



XCV We have waded there for lilies or fished from its 



sheltered coves for pickerel, or perhaps for frogs." 238 



XCVI Fig. 290. "The Bullfrog— independent, self-com- • 



posed, alert — is the spirit of the place " . . 239 



JOV 



