LIST OF TEXT ILLUSTRATIONS 



Page 



Fig. 7. The Common Tree Frog, (i) in resting position 

 with lungs inflated and body large, and (2) 

 singing, the air from the lungs forced into the 



throat vocal pouch 19 



Fig. 8. Bufo compaciilis with vocal bladder extended from 



base of throat 20 



Fig. 9. Leopard Frog, drawn to show vocal pouches ex- 

 tended at the shoulders 20 



Fig. 10. When the pigment cells retreat and contract, the 



resulting colour of the skin is light . , 22 



Fig. II. When the Pigment cells send out interlacing 

 branches, the resulting colour is dark. After 



Lister 23 



The unrolling fronds of the Cinnamon Fern . . 64 

 The shining leaves and flowers of the " Cowslips," 



May I St 65 



The broad leaves and flower-like fruits of the 



"Cowslips." May2oth 65 



Late June. The little Toads leave the ponds when 

 the Arrowhead begins to bloom ... 70 



Fig. 49. To show the movement of the toad's tongue in 

 catching an insect. The tongue is fastened in 

 front instead of at the back and can be extended 

 fully two inches, in an exceedingly rapid move- 

 ment. Its surface is sticky . . . .81 

 The toad eats the black crickets that are said to 



damage the strawberry crop .... 82 

 The wingless grasshopper (Ceuthophilus) of the 



ground 82 



In May when apple trees are in bloom the Common 



Tree Frog is at the pond 120 



When Jack-in-the-pulpit appears we may expect 

 to hear the trilling of Hyla versicolour from pond 

 and river margins 121 



