a Upper mandible. 

 b Lower mandible. 

 c Nostrils. 

 d Culmen or keel. 

 e Gonys. 

 / Margins of mandibles 



or commissure. 

 /2 Ophthalmic region, or 



orbit. 

 g Forehead. 

 h Crown. 



i Sinciput or hind head. 

 k Nape. 

 / Ear-coverts. 

 m Chin or mentum. 

 n Throat. 

 (/ Breast. 

 p The body. 

 q Belly or abdomen. 

 r Vent, 

 s Under-tail coverts. 



t Interscapularies 

 or back. 



V Lower back. 

 •w Rump. 



W2 Upper-tail coverts. 

 X Tail feathers. 

 Central or median tail 

 feathers. 



na Lateral tail feathers. 

 bb Shoulder of wing. 

 cc Shoulder joint (lesser 

 wing coverts). 



dd Axilla, or edge of wing. 

 ee Spurious wing or 

 primary coverts. 



ff Scapulars. 

 gg Thigh or tibia. 

 hh Tarsus. 

 // Toes. 



1 Lesser coverts. 



2 Median coverts. 



3 Greater coverts. 



4 Primaries. 



5 Secondaries. 



6 Tertiaries. 



7 Festoon. 



8 Cere. 



