540 



GLOSSARY. 



white fibres, connecting the cerebral hemi- 

 spheres ; wanting in birds. 



Cor'tical, a. External, as opposed to medul- 

 lary. 



Cos'tal, a. Pertaining to the ribs. 



Costif'erous, a. Rib-bearing, as the dorsal 

 vertebrse. 



Cot'yle, n. Same as Acetabulum. 



Cox'a, 71. Hi]). 



Cea'nial, a. Pertaining to the skull. 



Cra'nium, n. Skull. 



Crest, ) n. Any lengthened feathers of top 



Cris'ta, \ or sides of head. 



Crib'riform, a. Sieve-like. 



Cri'coid, a. Name of a certain laryngeal car- 

 tilage. 



Cris'sum, n. Properly, the under tail-coverts 

 collectively. Oftener used to designate the 

 circumanal plumage. (66.) 



Cro'taphyte (depression). A concavity on the 

 outside of the skull on each side behind, filled 

 with muscle ; temporal fossa. 



CROVi^N, n. Pileus ; top of head, especially the 

 vertex. 



Cru'cial, ) a. In the shape of a cross. The 



Cru'ciform, ) crucial test is one experimen- 

 tally conclusive. 



Crur^'us, n. Name of a certain muscle of the 

 thigh. 



Cru'kal, a. Pertaining to the eras, or shin. 



Crus, n. The shin ; segment of the leg be- 

 tween the thigh and ankle, represented by 

 the tibia. 



Crys'talline {lens), a. See Lens. 



Cu'bit, n. The forearm. 



Cu'bital, a. Pertaining to the forearm. 



Cu'cULLATE, a. Hooded. 



Cul-de-sac, n. 

 end of a ca\'ity. 



Cul'men, n. Ridge of upper mandible ; highest 

 median lengthwise line of the bill. (20.) 



Cul'minal, a. Pertaining to the culmen. 



Cultriros'tral, a. Having the bill shaped 

 like a heron's. 



Cun'eate, ) a. Wedge-shaped. A cuneate 



Cun'eiform, \ tail has the middle feathers 

 longest, the rest successively regularly short- 

 ened. 



Cun'eiform [hone), n. One of the wrist-bones. 



Curso'rial, a. Running ; pertaining or be- 

 longing to an obsolete group, Cursores or 

 runners. 



CtTs'piDATE, a. Pointed as a spear-head. 



Cuta'neotts, a. Pertaining to the skin. Same 

 as dermal. 



Cu'ticle, n. Scarf-skin ; outermost layer of 

 skin, which continually exfoliates. 



Cu'tis, n. Skin ; the true skin, as distin- 

 guished from cuticle and subcutaneous tis- 

 sue. Coriiim. and derma are synonymous. 



Cyst, n. Sac holding pathological products. 



D. 



Dac'tyl, n. Finger or toe. Equivalent to digit. 

 Dactylothe'ca, n. Covering of the toes. 

 Dasyp.e'dic, a. Synonymous with pfilopcedic. 

 Decid'uous, a. Temporary ; falling early. 

 The dorsal plumes of the egret are deciduous. 



Bottom of a bag " ; closed 



a. Bare of feathers. 



(4.) 

 Oppo- 



Decomposed', a. Separate ; standing apart. 

 A decomposed crest has the feathers standing 

 away from each other. 



Decum'bent, a. Lying or hanging dowuAvard. 



Degurved', a. Gradually curved downward. 

 Opposed to recurved. 



Decus'sate, a. Crossed ; intersected. 



Defeca'tion, n. Act of discharging the con- 

 tents of the cloaca. 



Degluti'tion, n. Act of swallowing. 



Dejec'tion, 71. Same as defecation. Also, the 

 matters so discharged. 



Del'toid, a. Tiiangular. A muscle over the 

 shoulder is so named. 



Demi- (in composition). Half ; same as semi-. 



Den'tary, a. An epithet of the foremost ele- 

 ment of the comjiound mandibular bone. 



Den'tate, ) a. Toothed ; notched as if 



Dentic'ulate, \ toothed. 



Dentig'erous, a. Bearing teeth. The Ich- 

 thyor7iis, Apatornis, and OdordojJteryoi (?) are 

 de7itigerous birds. 



Dentiros'tral, a. Having the bill notched as 

 if toothed. Belonging to a certain obsolete 

 order, Dc7itirostres. • 



Denti'tion, n. Act of cutting teeth . 



Denuda'tion, n. State of nakedness ; act of 

 laying bare. 



Denu'ded, a. Naked ; laid bare. 



Deor'sum. Below. 



Deplu'mate, 



Depluma'tus, 



Depressed', a. Flattened vertically, 

 site of compressed. 



Der^'um, 71. Bottom or lower part of the 

 neck. (Little used.) 



Der'mal, a. Pertaining to the skin ; made of 

 skin ; cutaneous. 



Dei;'mal Appen'dage. Any outgrowth from 

 the skin. 



Dertrothe'ca, a. Covering of end of bill. 



Der'trum, n. End of maxilla, in any way dis- 

 tinguished. (21.) 



Desmognath'ous, a. Having the palate bones 

 united. 



Des'moid, a. Ligamentous. 



Desquama'tion, n. 



Dex'trad, a. 



Dex'tral, a. Of or on the right side. 



Di- (mi co7V270situm). Twice ; double. 



DiAGNo'sis, n. Distinctive knowledge. Also 

 cliaracterization, or a brief, precise, and exclu- 

 sively pertinent deiinition. Diagnosis is nearly 

 synonymous in this sense with defi7iition; both 

 diffei- from descriptio7i in omitting non-essen- 

 tial particulars ; but definition may include 

 jioints ecjually apyilicable to some other object. 



Diagnos'tic, a. Distinctively and exclusively 

 characteristic. Feathers are diagnostic of 

 birds. 



Diaph'anous, a. Transparent. 



Di'aphragm, 71. Midriff; musculo-tendinous 

 partition between thorax and abdomen, rudi- 

 mentary or wanting in birds. 



Diaphragmat'ic, a. Pertaining to the dia- 

 phragm. 



Diapoph'ysis, n. Transverse process of a ver- 

 tebra. 



DiARTHRo'sis, 91. Movable articulation of 

 bones in general. 



Peeling off. 

 Toward the right side. 



