List of Half-Tones 



PLATE 



XL 

 XLI 



XLII 



structure study of foot 



FACING PAGE 



sole 



XLI 1 1 



XLIV 

 XLV 



XLVI 



XLVII 



XLVI 1 1 



XLIX 

 L 



LI 

 LI I 



113 



114 



valliceps 



tubercles ....... no 



Figs. 116-120. Studies of Bufo punctatus Baird 

 and Girard ....... HI 



Figs. 1 21-122. The CALIFORNIA TOAD (Bufo hal- 

 oplilus Baird): colour; warts; structural char- 

 acteristics of head ..... 112 



Figs. 123-126. 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 haloplilus Baird: skin 

 texture; outline of head; size of ears, structure 

 of hand and foot, and other identification 

 characteristics ....... 



Figs. 131-133. Bufo boreas Baird and Girard: 

 size; structure of concealed parts; various char- 

 acteristics of identification . . . .115 



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 1 18 



Figs. 134-137. The COMMON TREE FROG (Hyla 

 versicolour Le Conte): conspicuous markings 119 



Figs. 138-142. Studies of the COMMON TREE 

 FROG (Hyla versicolour Le Conte) . . .122 



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

 ural characteristics; colour; rough character of 

 skin of the under parts; web and sole tubercles 123 



Figs. 147-150. The FLORIDA TREE FROG (Hyla 

 gratiosa Le Conte): structure study of under 

 parts and upper surfaces . . . .124 



Figs. 151-153. The FLORIDA TREE FROG (Hyla 

 gratiosa): throat pouch partially extended and 

 sound asleep ....... 125 



Figs. 1 54- 1 60. Studies of the GREEN TREE FROG 

 (Hyla cinerea Daudin) ..... 126 



Figs. 161-164. Studies of Hyla evitatta Miller. 

 A smooth skinned, plain green tree frog, closely 

 related to Hyla cinerea ..... 127 



