MEANING OF TERMS 



USED IN THE PLATE, AND IN OTHER PARTS OF THIS WORK. 



ABDOMEN. The belly: that part between the breast (pectus) and the 



vent (crissum). 

 ALA. The wing. 



ALULA. Spurious wing-feathers attached to the rudimentary thumb. 

 AUCHENIUM. The posterior portion of the neck. 

 AUEICULABS. Feathers covering the ears. 

 CERE. Bare skin covering the base of the bill in certain birds. 

 CAUDA. The tail. 

 CEEVIX. The whole of the back of the neck, as opposed to guttur, 



the fore part. 

 COLLUM. The neck. 

 COVERTS. Either of wing or tail : small feathers covering the quills 



both on the upper and lower, OP outer or inner sides. 

 CRISSUM. The vent : sometimes applied to the under tail-coverts. 

 CULMEN. The ridge of the upper mandible. 



DIGITI. The fore-toes, as distinguished from the hind-toe (Tiallux). 

 DORSUM. The entire back, from the cervix to the base of the tail 



(uropigium) . 



EPIGASTREUM. The anterior portion of the abdomen. 

 FEMUR. The thigh : usually concealed. 

 FLEXURA. The bend of the wing. 

 FRONS. The forehead. 

 GONYS. The ridge of the lower mandible. 



GULA. The anterior portion of the guttur, or fore-part of the throat. 

 GUTTUR. The throat, or fore-part of neck. 

 HALLUX. The hind toe. 

 HUMERUS. The shoulder. 



HYPOCHONDRIA. The side, or space under the wing. 

 INTERSCAPULIUM. The part between the shoulders, on which are the 



scapula, or scapular feathers. 

 JUGULUM. The lower anterior part of the throat. 

 LORES. Space between base of bill and eye. 



