APPENDIX. 



525 



B. Head 



Neck. 



D. Trunk or Body. 



E. Tail. 



G. Legs. 



97. Thigh (concealed under skin). 



98. Shin (tibia). 

 103. Heel joint. 

 103i. Tarsus. 

 112. Foot. 



110. Toes. 



126. Outer toe. 



127. Imier toe. 



128. Middle toe. 



129. Hind toe. 



For the pur[)cise of ik'Tiiiiiiy; tlio form, markiiiL^s, coloi-atiuii, and ullicr iicculiari- 

 ties of birds, tlio different roj^ious of the body have received names bv wliicli intel- 

 ligible reference can be made to any portion. It is, perhaps, hardly necessary to 

 say that all livini^ birds have a head supported on a neck, with jaws e.^tended 

 into a biU covered with a horny sheath, or with skin, tlie two jaws situated one 



