566 



APPENDIX. 



D. Trunk or Body. 



E. TaU. 



70. Tail feathers (or rectrices). 

 72. Upper tail coverts. 



73. Lower tail coverts. 



G. Legs. 



97. Thigh (concealed under skin). 



98. Sliiu (tibia). 

 103. Heel joint. 

 1035. Tarsus. 

 112. Foot. 



116. Toes. 



126. Outer toe. 



127. Inner toe. 



128. Middle toe. 



129. Hind toe. 



For the purpose of dcfiuino- the form, markings, coloration, and other peculiari- 

 ties of birds, the diftereut regions of the body have received names bj' which intol- 

 lio-ible reference can be made to any portion. It is, perhaps, hardly necessary to 

 say that all livin-' liirds have a head supported on a neck, with jaws e.xtended 

 into a bill covered with a horny sheath, or witli skin, the two jaws situated one 



