ILYSIS OF THE CONTENTS. 



CHAPTER VII. 



FEET OF BIRDS, AS ILLUSTRATIVE OF THEIR HABITS 

 AND HAUNTS. 



Page 



CLUTCHING FEET. Character of these feet Feet of Falcons 

 Fishing eagles Action of their feet Feet which resem- 

 ble these .... 241244 



GROUND FEET. Different kinds Feet of ostriches Emu 

 Plover Bustard .... 244248 



FEET FOB GRASSY SURFACES. Their peculiarities of struc- 

 ture Example of the foot of the sky-lark . 248 



FEET FOR AQUATIC PLANTS. Their general structure Feet 

 of gallinules Of coots . . . 248, 249 



WALKING AND SCRAPING FEET Their general characters 

 Instanced in the gaUinidae . . 249251 



WALKING AND PERCHING FEET. Their form Their own- 

 ers Action of the birds that have them Perchers, like 

 swimmers, known by their walk Instances, the rook and 

 blue tit . . . . . 251, 252 



FEET BETTER FOR PERCHING THAN FOR WALKING. Cha- 

 racters of these feet Instances, as being nearly the ex- 

 tremes of their character Birds which have such feet 252254 



SYNDACTYLIC FKET Character Instance in the kingfisher 254 



CRAB FEET Peculiarity of their structure Birds which have 

 them Peculiarities of these birds Habits of the birds- 

 Detailed account of their structure and action Feet of the 

 swallow tribe .... 254264 



AN-ISODACTYLIC FEET. Characteristic- of their owners 

 Their structure Instance in the creeper The nuthatch 

 simplicity of natural mechanics . . 264 269 



SCANSORIAL OR CLIMBING FEET. Their form The wood- 

 pecker Action of its foot Parrot Remarks on prehensile 

 organs Difficulties in studying them Farther account of 

 the parrot ..... 269278 



SWIMMIMG FEET. Their varieties Their natural gradation 

 Grebes Geese Swans Swimming ducks Diving 

 ducks Divers .... 2/8290 



ENTIRE-WEBBED FEET. Characters Birds which have them 

 Peculiar action of these feet Instance in the gannet 

 Some notice of the structure of that bird The strength of 

 nature is in simplicity The proper mode of studying na- 

 ture . ... 290295 



FEET OF LONG-WINGED WATER BIRDS. Their structure and 

 action Gulls Skuas Terns Petrels . 295300 



