GLOSSARY OF TECHNICAL TERMS USED IN 

 DESCRIPTIVE ORNITHOLOGY. 



Including a number of prominent Anatomical and Physiological Terms. 

 (Prepared by Dr. Coues.) 



Note. — The number in parenthesis refers to the foregoing "Explanation of Terms," etc. The sign (') marks 

 accent ; n., noun ; a., adjective ; pi., plural ; gen., genitive. 



Abdo'men or Ab'domen, n. Belly ; part of 

 gastraeiiin between sternum and anus. (63.) 



Abdom'inal, a. Pertaining to the belly. 



Abduc'tion, n. Act of carrying a limb away 

 from the axis of the body. Opposed to ad- 

 duction. Muscles so acting are abductors. 



Aber'rant, a. Deviating from ordinary char- 

 acter. 



Abnor'mal, a. Of highly unusual, extraor- 

 dinary character ; deformed ; monstrous. 



Abor'tive, a. Suppressed ; remaining or be- 

 coming imperfect. The nostrils of the cormo- 

 rant are abortive. 



Acar'ides, n. pi. Certain external parasites. 



Accip'iTRiNE, a. Hawk-like ; belonging to Ac- 

 cipitres. 



Acclimatiza'tion, n. Naturalization, with 

 reference to the effect of a new country upon 

 the economy. 



Acetab'ulum, n. Pelvic cavity for reception 

 of head of femur. 



Achil'lis {tendo), n. Tendon of principal ex- 

 tensor muscle of foot. 



Acic'uLAR, a. JSfeedle-shaped ; sharp and very 

 slender. 



AcRODAc'TYLtTM, 71. Top of toes collectively. 

 (117.) ^Little used.) 



Acro'mion, n. Process of the scapula. 



Acropo'dium, n. Entire upper surface of foot. 

 (113.) (Little used.) 



Acrotar'sium, n. Front of tarsus, correspond- 

 ing to the human instep. (104.) (Little used). 



Acu'minate, a. Tapering gradually to a point. 



Acute', a. Sharp- pointed. 



AD' {in composition). To ; towards. 



Adduc'tion, n. Act of drawing a limb toward 

 axis of body. Muscles so acting are adduc- 

 tors. Compare Abduction. 



Ad'enoid, a. Glandular ; glandiform. 



Ad'ipose (tissue), a. for n. Cellular tissue hold- 

 ing fat in special vesicles. 



Adoles'cexce, n. Youth. 



Adre'nal (body), a. for ?i. A small organ cap- 

 ping the kidney. 



Adult', a. or n. Grown to full size ; mature. 



JSgithognath'ous, a. Having the palate 

 bones disposed as in a sparrow or other pas- 

 serine bird. 



Af'ferent, a. Bringing to or towards. Op- 

 posed to cjferent. 



Affined', a. Joined or related by affinity. 



Affin'ity, ». Quality of direct relation ; con- 

 formity ; agreement. Morphological affinity 

 implies relationship by genetic descent ; tele- 

 ological affinity cannot be properly predi- 

 cated. 



Af'ter-shaft, n. Scape or stem of the sup- 

 plementary jilume springing from many feath- 

 ers, or, ofteuer, such plume itself. 



Al'a, n. ; pi. aloi. Wing ; the anterior limb of 

 birds. (73.) 



A'lar, a. Pertaining to the wings. 



Alat'us, a. Winged. 



Al'binism, n. State of Avhiteness, complete or 

 partial, resulting from deficiency or entire 

 lack of pigment in the skin and its appendages. 



Albi'no, n. An animal aflected with albinism. 



Albinot'ic, a. Affected with albinism. 



Albu'men, n. Transparent glairy fluid of which 

 white of egg mainly consists. 



Albu'minous, a. Containing or consisting of 

 albumen. 



Alimen'tary, a. Pertaining to 

 organs or nutritive function. 



Alisphe'noid, n. ' ' Wing, " or expanded part of 

 s])lienoid bone. 



Allanto'is, n. A certain organ of the embryo. 



Al'lex, n. Same as Hallux (which see). 



Al'tiiice.s, n. pi. Birds reared in the nest and 

 fed by the panmts. 



Altric'ial, a. 



Al'ula, n. Literally, little wing. The bas- 

 tard wing, comjiosed of the feathers that are 

 .set on the so-called thumb. 



Al'ular, a. Pertaining to the bastard wing. 



Alve'olus, n. Socket, particularly of a tooth. 



Al'vine, a. Pertaining to the lower belly (said 

 chiefly of intestinal discharges). 



Am'bulatory, a. Same as Gradient (which 

 see). 



the digestive 



Having the nature of Altrices. 



