APPENDIX. 



525 



B. HeacL 



D. Trunk or Body. 



F. Wings. 



75. 



76. 

 77. 

 79. 

 80. 

 86. 



07. 



08. 

 103. 

 103i. 

 112. 



Primary quills. 

 Secondary quills. 

 Bend of wing. 

 False wing (alula). 

 Scapulars. 

 Primary coverts. 



O. Legs. 



Thigh (concealed under skin). 



Shin (tibia). 



Heel joint. 



Tarsus. 



Foot. 



89. Secondary coverts (include 92, 

 93, 94). 



92. Greater wing coverts. 



93. Lesser wing coverts. 



94. Middle wing coverts. 



95. Edge of wing. 



110. Toes. 



126. Outer toe. 



127. Iinicr too. 



128. Middle toe. 



129. Hind toe. 



Fon the purpose of defining the form, markings, coloration, and other pccidiari- 

 ties of birds, the ditferent regions of tiie body have received names by which intcl- 

 U<'ible reference can be made to any portion. It is, perhaps, hardly necessary to 

 say that all living birds have a head supported on a neck, with jaws extended 

 into a bill covered with a homj' sheath, or with skin, the two jaws situated one 



