GLOSSARY. 



539 



Char'acter, n. Any material attribute sus- 

 ceptible of detinitiuii ibr use in descrijition 

 aud olassiticatiou. Also, a sum of such attri- 

 butes ; as, of passerine character. 



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



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

 the correspondiuf,' region of upper jaw. Com- 

 pare Gen.e and JIalak Region. (26.) (The 

 term is differently c'm[)Ioyed by various writers, 

 and is at best not delinite. ) 



C'HIX, n. Space between forks of lower jaw ; 

 upper throat. See MEN--nT.M. (46.) 



Cho'koid, n. Vascular black membrane of the 

 eye, between retina and sclerotic. Choroid 

 plexus, a certain fold of the pia mater. 



Chyle, n. A certain intestinal fluid resulting 

 from digestion. 



CilY.ME, n. A certain product of incompleted 

 digestion. 



ClCATKlc'fi.A, 11. Dark spot on the surface of 

 a fecundated yolk. See Yolk. 



Cil'iated, a. Bristly; furnished with bri.stles, 

 or small bristle-like leathers ; fringed. 



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

 er, about the mouth and eyes especially. See 

 Vibrissa and Seta. 



Cixe'reous, re. Of an ashy color. 



C'iRCUM- {in compositimi). Around ; about ; 

 as, circumanal, circuinwhital, circumaural, 

 — aroiiiul the aims, orbit, ear, etc. 



ClRruMDfc'rioN, 71. Movement of a limb by 

 wliirh, if completed, a cone is described. 



Cirrh'ous, II. Tufted. 



Class, n. Fundamental division of animals : 

 the class of Birds; the class Avcs. 



Classifica'tion, n. Systematic arrangement. 



Cl.\v'icle, 11. Collar-bone. In birds, the two 

 clavicles usually unite to form the fureulum, 

 merry-thought or wish-bone. 



Clavic'ulab, a. Pei-taining to the clavicles. 



Claw, n, (121.) 



CLAW-.JOIST, ?i. (122.) See Ehizonychifm. 



Clit'oris, 11. Erectile venereal organ of the 

 female, homologue of the male penis, present 

 in some birds. 



Cloa'oa, n. Enlarged lower end of straight 

 gut, receptacle of products of genito-iirinary 

 system aud refuse of digestion. 



Clbtch, 11. Nest-complement of eggs. 



Cxe'jh.al, a. Pertaining to the cms or shin. 

 Equivalent to crural. 



Cnemid'ium, n. End of crus, naked in most 

 wading birds. 



Cocctoe'.^l, a. Pertaining to the tail, espe- 

 cially to its bones ; synonymous with caudal. 



Coc'CY.x, n. The tail, as to its bones collec- 

 tively. Os coccygis. Any one of the tail- 

 bones, or coccygeal vertebne. 



Couh'lea, n. A certain portion of the inner ear. 



Cce'cum, re.; pi. casca. See CiECl'M. 



Cffi'LiAn, n. Pertaining to certain of the ab- 

 dominal viscera. Little used, excepting as 

 the name of a certain artery, the cceliac axU. 



Coi'tus, 71. Sexual intercourse. 



Col'l.\r, 7). Ring of color around neck. See 

 Torques. (.55.) 



Col'lum, n. Neck ; part of body between and 

 connecting head and trunk. (47.) 



Colora'tion', n. Coloring : pattern 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 ]irocess, or 

 caruncle, on top of head, a.s in the domestic 

 cock. 



CoMMls'suRAL Point. Point where the ap- 

 posed edges of the mandililes meet and join ; 

 corner of the mouth. Ecpiivalent to angle of 

 the mouth, aiujulus oris. 



Com'mlssure, n. (Lat. con and initio, to put 

 or lay together.) Line of closure of the two 

 mandibles ; track or trace of their ajiposed 

 edges when the jaws are closed. Often im- 

 properly used to signify the opcniiu] between 

 the mandibles ; but this is apertara oris, 

 giipc, rictus. Commissure is the whole rirrui 

 oris, outline of the mouth, when sucli outline 

 of upper and under jaw is made one in closure 

 of the mouth. 



CoMPLEx'us, n. Name of a certain cervical 

 umscle. 



Compressed', 11. 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 a,s Pineal Body (which 

 see). 



Cox'cAVE, a. Hollowed, as the inner side of a 

 curved line or inner face of a curved surface. 

 Opposite of convex. 



Con'dyle, 11. Articular eminence of bone in 

 hinge-joints. 



Con'fluent, re. Run together ; gi-own together ; 

 coalesced. 



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

 sparrow's. 



CoNJrxcTi'v.4, n. Vascular membrane lining 

 the eyelids and reflected over the front of the 

 eyeball. 



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

 inally united ; joined from the beginning. 

 Connation is earlier and more intimate or 

 complete union than confluence. 



CoNTiNu'iTY, 71. Part of a thing between its 

 ends in any way distinguished. 



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

 of perfect feathers, lying external and deter- 

 mining the superficial shape of a bird. Dis- 

 tinguished from down feathers. 



Cor'acoid (hmie),n. Large stout bone connect- 

 ing shoulder wth sternum. 



Cor'date, ) TT ■- 1 J 



CoR'DiFORM, ! "• H<^art-shaped. 



Coria'ceoits, a. Denoting integument of dense, 

 tough, leathery texture. 



Co'rium, 71. Same as Cutis (which see). 



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

 ball. 



Cor'neous, n. Homy. 



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

 erected like a horn. 



Cor'nu, 7s. Horn. 



CoRO'.VA, 71. Top of head. Ecpiivalent to cap 

 or pileus. Vertex is the highest point of 

 corona. 



Cor'onate, re. Having coronal feathers length- 

 ened or otherwise distinguished. 



Cor'pus, 71. Body, as a whole. 



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



