List of Half-Tones 



Plate 



XL 



XLI 



XLII 



structure study of foot 



XLIi: 



XLIV 



XLV 



XLVI 



XLVII 



XLVI 1 1 



XLIX 



LI 

 LI I 



valliceps 



tubercles 



Figs. 1 16-120. Studies oi Bufo punctatus Baird 

 and Girard 



Figs. 1 21-122. The California Toad {Bufo haU 

 ophilus Baird): colour; warts; structural char- 

 acteristics of head 



Figs. 1^3-126. Bufo halophilus Baird: studies 

 of spotted under parts; web of foot; sole tu- 

 bercles; vertebral streak; warts; glandular 

 elevations on tibia 



Figs. 127-130. Bufo halophilus Baird: skin 

 texture; outline of head; size of ears, structure 

 of hand and foot, and other identification 

 characteristics 



Figs. 1 31-133. Bufo horeas Baird and Girard: 

 size; structure of concealed parts; various char- 

 acteristics of identification . . . . 



The Common Tree Frog {Hyla versicolour) makes 

 his home in the trees along forest paths, as well 

 as in those about the house and in the orchard 



Figs. 134-137. The Common Tree Frog {Hyla 

 versicolour Le Conte): conspicuous markings 



Figs. 138-142. Studies of the Common Tree 

 Frog {Hyla versicolour Le Conte) 



Figs. 143-146. {Hyla arenicolour Cope): struct- 

 ural characteristics; colour; rough character of 

 skin of the under parts; web and sole tubercles 



Figs. 147-150. The Florida Tree Frog {Hyla 

 graiiosa Le Conte): structure study of under 

 parts and upper surfaces .... 



Figs. 151-153. The Florida Tree Frog {Hyla 

 graiiosa) : throat pouch partially extended and 

 sound asleep 



Figs. 1 54- 1 60. Studies of the Green Tree Frog 

 {Hyla cinerea Daudin) 



Figs. 1 61 -1 64. Studies of Hyla evitatta Miller. 

 A smooth skinned, plain green tree frog, closely 

 related to Hyla cinerea 



Facing Page 

 sole 



I 10 



III 



I 12 



"3 



114 



H5 



118 



119 



122 



123 



124 



125 

 126 



127 



