CONTENTS. Vii 



CHAPTEK XI. 



Climbing, Scratcbino, ast) Rcnnino Birds 265 



Climbers 205 



Scratchers 270 



Runners 286 



CHAPTER XII. 



Wadino and Swihmino Birds 290 



Waders 290 



Swimmers 301 



CfiAPTER XIII. 



Reptiles 813 



Lizards 313 



Serpents 823 



Tortoises 827 



Frogs 329 



CHAPTER XIV. 



Fishes 333 



Bony Fishes 334 



Cartilaginous Fishes 347 



CHAPTER XV. 



Insects 352 



Sheath-winged Insects 353 



Half-winged " 363 



Scale-winged " 367 



CHAPTER XVI. 



Insects (Ooniinued) 877 



Nerve-winged Insects 377 



Membrane-winged " 381 



Two-winged " 890 



Wingless " 893 



