GLOSSARY. 621 



Booted. Having the tarsal envelope entire, i. e, undivided in most or all of its extent, 

 by fusion of the usual scales or plates. 



Breast. Anterior portion of lower part of trnnk between jngulum and abdomen ; prop- 

 erly the region overlying and containing the breast-bone, but generally restricted to 

 the more forward swelling portion of such region. 



Bristle. Small, stiff, hair-like feather, especially about the mouth or eyes. 



C 



Cceeu/m. Intestinal cnl-de-sao at junction of smaller and larger intestines, usually pre- 

 sent paired in birds ; sometimes a foot long. 

 Calcareous. Chalky. 



Canthtis. Corner of eye where the lids meet ; commissural point of eyelids. 

 Caput. Head. 

 Carinate. Keeled ; ridged beneath as if keeled ; having a keel, as the sternum of most 



birds. 

 Corneous. Fleshy. 

 Carotid. The principle blood vessel of the neck, single in most birds, sometimes paired 



as in mammalia. 

 Carpal Angle. Prominence formed at the wrist joint when the wing is closed. It is an 



important point regionally, since the universally used measurement " length of wing," 



is from this point to the end of the longest quill. 

 Cere. Fleshy, cutaneous or membranous, often feathered, covering of base of bill of many 



birds, as parrots, hawks and owls. 

 Cervical. Pertaining to the hind-n«ck, as, a cervical collar. 



Cervix. The hind-neck ; from occiput to intersoapulium, including nape and scruff. 

 CieeTc. Outside of base of lower j aw ; also the corresponding region of upper j aw. 

 Chin. Space between forks of lower j a ws. 



Ciliated. Bristly , furnished with bristles or small bristle-like feathers ; fringed. 

 Clavicle. Collar-bone. In birds the two clavicles usually unite to form the furculnm, 



merry-thought or wish-bone. 

 Collar. Ring of color around neck. 



Coloration. Coloring ; pattern or mode of coloring, or the colors collectively. 

 Commissure. Line of closure of the two mandibles ; track or trace of their opposed edge 



when the jaws are closed. 

 Compressed. Narrowed sidewise ; higher than wide. 

 Coracoid. A large stout bone connecting shoulder with sternum. 

 Crest. Any lengthened feathers on top or sides of head. 

 Crissvm. Properly the under tail-coverts collectively. Oftener used to designate the 



ciroum-anal plumage. 

 Crown. Pileus ; top of head, especially the vertex. 



Culmen. Ridge of upper mandible ; highest median lengthwise line of the bill. 

 Cuneate, otmeiform. Wedge shaped. A cuneate tail has the middle feathers longest, the 

 rest sucessively regularly shortened. 



D 



Deciduous. Temporary ; falling early. The dorsal plumes Of the egret are decidnoas. 

 Decomposid. Separate; atanding apart. A decomposed crest has the feathers standing 

 away firom each other. 



