GLOSSARY. 



539 



Char'acter, n. Any material attribute siis- 

 cejitible of definition for use in description 

 and classification. Also, a sum of such attri- 

 butes ; as, of passeriue character. 



Chas'ma, n. Decussation of the optic nerve. 



Cheek, n. Outside of base of lower jaw ; also, 

 the corresponding region of upper jaw. Com- 

 pare Gen.b and Malar Region. (26.) (The 

 terra is differently employed by various writers, 

 and is at best not definite.) 



Chin, n. Space between forks of lower jaw ; 

 upper throat. See Mentum. (4(5.) 



Cho'roid, 11. Vascular black membrane of the 

 eye, between retina and sclerotic. Choroid 

 plexus, a certain fold of the }iui. tnater. 



Chyle, n. A certain intestinal fluid resulting 

 from digestion. 



Chyme, n. A certain product of incompleted 

 digestion. 



CiCATRic'ULA, n. Dark spot on the surface of 

 a fecundated yolk. See Yolk. 



Cil'iated, a. Bristly ; furnished with bristles, 

 or small bristle-like feathers ; fringed. 



Cil'ium, n. ; pi. cilia,. Bristly or hair-like feath- 

 er,*about the mouth and eyes especially. See 

 Vibrissa and Seta. 



Cine'reous, a. Of an ashy color. 



CiRCUM- {in composition). Around ; about : 

 as, circumanal, circumorbital, circumaural, 

 ■ — ■ around the anus, orbit, ear, etc. 



Circumdxic'tion, n. Movement of a limb by 

 which, if completed, a cone is described. 



Cirrh'ous, a. Tufted. 



Class, n. Fundamental division of animals : 

 tlie class of Birds ; the cla^ss Aves. 



Classifica'tion, n. Systematic arrangement. 



Clav'icle, 11. Collar-bone. In birds, the two 

 clavicles usually unite to form the furculum, 

 merry-thought or wish-bone. 



Clavic'ular, a. Pertaining to the clavicl,es. 



Claw, n. (121.) 



C LAW- JOINT, w. (122.) See Ehizonychium. 



Clit'oris, 11. Erectile venereal organ of the 

 female, horaologue of the male penis, present 

 in some birds. 



Cloa'ca, n. Enlarged lower end of straight 

 gut, receptacle of products of genito-urinary 

 system and refuse of digestion. 



Clutch, n. Nest-complement of eggs. 



Cne'mial, a. Pertaining to the crus or .shin. 

 Equivalent to crural. 



Cnemid'iitm, 11. End of crus, naked in moSt 

 wading birds. 



Coccyge'al, a. Pertaining to the tail, espe- 

 cially to its bones ; synonymous with cauclaL 



Coc'cyx, 11. The tail, as to its bones collec- 

 tively. Os coccygis. Any one of the tail- 

 bones, or coccygeal vertebrie. 



Coch'lea, 11. A certain portion of the inner ear. 



Cce'cum, 11. ; pi. cceca. See Cecum. 



Cce'liac, a. Pertaining to certain of the ab- 

 dominal viscera. Little used, excepting as 

 the name of a certain artery, the cceliac axis. 



Coi'tus, 11. Sexual intercourse. 



Col'lar, 11. Ping of color around neck. See 

 Torques. (55.) ' 



Col'lum, 11. Neck ; j)art of body between and 

 connecting head and trunk. (47.) 



Colora'tion, 11. Coloring ; jjattern or mode of 

 coloring, or the colors collectively. 



Columel'la, n. Bone or cartilage of the inner 

 ear of Sauropsida, answering to the stapes of 

 mammalia. 



Comb, n. Erect fleshy lengthwise process, or 

 caruncle, on top of head, as in the domestic 

 cock. 



Commis'sural Point. Point where the ap- 

 j)osed edges of the mandibles meet and join ; 

 corner of the mouth. Equivalent to angle of 

 the mouth, angulus oris. 



Com'missure, 11. (Lat. con and mitto, to put 

 or lay together. ) Line of closure of the two 

 mandibles ; track or trace of their apposed 

 edges when the jaws are closed. Often im- 

 jiroperly used to signify the opening between 

 the mandibles ; but this is apertura oris, 

 gape, rictus. Commissure is tlie whole rima 

 oris, outline of the mouth, when such outline 

 of Tipper and under jaw is made one in closure 

 of the mouth. 



Complex'us, n. Name of a certain cervical 

 muscle. 



Compressed', a. Narrowed sidewise ; higher 

 than wide. The opposite of depressed. 



Compressed' {tail), a. Folded together, as in 

 the barnyard cock. = Cauda compressa. 



Cona'rium, 71. Same as Pineal Body (which 

 see). 



Con'cave, a. Hollowed, as the inner side of a 

 curved line or inner face of a curved surface. 

 Opposite of convex. 



Con'dyle, n. Articular eminence of bone in 

 hinge-joints. 



Con'fluent, a. Run together ; grown together ; 

 coalesced. 



Coniros'tral, a. Having a conical bill, like a 

 sparrow's. 



Con.juncti'va, 11. Vascular membrane lining 

 the eyelids and reflected over the front of the 

 eyeball. 



Con'nate, a. Born or produced together ; orig- 

 inally united ; joined from the beginning. 

 Goiiiiation is earlier and more intimate or 

 complete union than confluence. 



CoNTiNu'iTY, 11. Part of a thing between its 

 ends in any way distinguished. 



Con'tour Feath'ers, n. The general phimage 

 of perfect feathers, lying external and deter- 

 mining the superficial shape of a bii'd. Dis- 

 tinguished from down feathers. 



Cor'acoid (hone), 11. Large stout bone connect- 

 ing shoulder with sternum. 



Cor!mf™rm, i ''■ Heart-shaped. 



Coria'ceou.s, a. Denoting integument of dense, 

 tough, leathery texture. 



Co'rium, n. Same as Cutis (which see). 



Cor'nea, 11. Transparent portion of the eye- 

 ball. 



Cor'neous, a. Horny. 



Cor'niplume, a. Tuft of feathers on head, 

 erected like a horn. 



Cor'nu, 11. Horn. 



Coro'na, 11. Top of head. Equivalent to cap 

 or pileus. Vertex is the highest point of 

 corona. 



Cor'onate, a. Having coronal feathers length- 

 ened or otherwise distinguished. 



Cor'pus, n. Body, as a whole. 



Cor'pus Callo'sum, 11. Mass of transverse 



