GLOSSARY. 



537 



Au'ricle, n. The external ear ; wanting or 

 imperfect in birds. Also, cavity (right and 

 left) of the heart receiving blood from the 

 system and lungs ; also called atrium. 



AuRic'uLARS, n. pi. Peculiar feathers overly- 

 ing the ear-opening. 



Autoch'thonous, a. Indigenous. 



Autog'enous, a. Literally, self-producing. 

 In homology, developing from distinct and 

 independent centres. Opposed to exogenous. 



Au'topsy, 11. Personal observation or exami- 

 nation. 



Autop'tical, a. Personally inspected. 



Autum'nal Plum'age. That ensuing from the 

 first moult, if any, or prior to the spring 

 moult, from which it is different in many 

 birds. 



A'viARY, n. Place where birds are kept cap- 

 tive. 



Avic'ula, n. Little bird; hence, nestling, 

 fledgling, or any nngrown bird. 



Avicul'ture, n. Care of birds. 



A'vi.s, n. ; pi. avcs. Bird. 



Axil'la, n. Armpit ; hollow beneath the 

 shoulder. (78.) 



Ax'iLLAii or Ax'illary, a. Pertaining to the 

 armpit. 



Ax'iLLARiES, n. pi. Lengthened or otherwise 

 distinguished feathers gi'owing from the axil- 

 lary region. (81.) 



Ax'is, 11. Second cervical vertebra. Also, an 

 imaginary line passing along the middle of 

 any one of the three mutually perpendicular 

 planes of the body, the longitudinal, vertical, 

 and transverse. Ahso, a pivot. 



A'zYGos, a. Single, in the sense of not paired. 



B, 



Back, n. Upper surface of body proper, cor- 

 responding to dorsal and sacral vertebrae. In- 

 cludes Interscapilium and Tergum (which 

 see). (57.) 



Back of Neck. Cervical region. Includes 

 NucH.A. and Cervix (which see). Equivalent 

 to hind-neck. (48.) 



Back of Tar'sus. Hinder edge and hinder 

 half, on each side, of tarsus. See Planta. 

 Homologically the sole. (106.) 



Band or B.\r. Any crosswise color-mark, trans- 

 verse to long axis of the body. 



Band'ed or Barred, a. Marked crosswise. 



B.iRB, 11. Any one of the laminae composing 

 the vane of a feather. 



Bar'ba, 11. Beard. Lengthened or otherwise 

 distinguished feathers of chin or throat. 



Barbat'us, a. Bearded. 



Bar'bicel, n. Barb of a barbule, not hooked. 

 Compare Hamulus. 



Bar'bule, ?i. Barb of a barb. (148.) 



Ba'sal, a. Pertaining to the base ; situate at 

 the base. 



Rasf ) 



Ba'.sis 1 '"" ^'^^^^^ '■> ^^°* ; origin. 



Basihy'oid, n. Central tongue-bone. 



Basioccip'ital, n. Basal element of the oc- 

 cipital bone ; centrum of hindermost cranial 

 vertebra. 



Basipter'ygoid, n. A boss or protuberance 



of the base of the sphenoid bone, often mova- 

 bly abutting against tlu; pterygoid bone. 



Basisphe'noid, 11. Basal element of sphenoid 

 bone ; centrum of second cranial vertebra. 



Beak, n. Bill. See Rostrum. (9.) 



Bel'l\% 11. See Abdomen. (65.) 



Belt, n. Bar or band of color more or less 

 completely encircling the body. 



Bend of Wing. Angle or prominence formed 

 at carpus in the folded wing. 



Bev'elled, a. Having two plane surfaces 

 meeting obliquely. 



Bev'y, 11. Flock of quail. 



Bi- {in coni2)osition). Twice ; double. 



Bibliog'r.\piiy, 11. History or other account 

 of the literature of the subject. 



Bi'CEPS, 11. Principal flexor muscle of fore- 

 arm. 



Bi'nary', a. Double, in sense of compounded 

 of two. 



Bixo'mial, a. Of two terms. Also, noting a 

 system of nomenclature in which each object 

 has two names, generic and specific. This is 

 the generally adopted system at present. 



Biol'ogy, n. The study of living beings, as to 

 the law^s and results of organization. It is 

 more comprehensive than physiology. 



Biotax'y, 11. Equivalent to taxonomy. 



Biven'ter, 11. Name of a double-bellied muscle 

 of the neck. 



Blas'toderm, n. Supei'ficies of the early em- 

 bryo. 



Boat-shaped {taiV), a. Having plane of each 

 side of tail meeting the other obliquely, 

 making a re-entrance above and keel below. 



Boot, n. The tarsal envelope when entire. 



Boot'ed {tarsus), a. Having the tarsal enve- 

 lope entire, i. e. undivided in most or all of 

 its extent, by fusion of the usual scales or 

 plates. (111.) 



Bo're.vl, a. Northern. 



Boss, n. Stud ; knob ; protuberance ; short 

 stout process. 



Brach'ial, a. Pertaining to the wing. 



Brachyp'terous, a. Short-winged. 



Brachyu'rous, a. Short-tailed. 



Breast, n. (62.) See Pectus. 



Bris'tle, 11. Small stiti' hair-like feather, es- 

 pecially about the mouth or eyes. Compare 

 Vibrissa. 



Bron'chial, a. Pertaining to the bronchi. 



Bron'chus, n. ; pi. bronchi. Fork or branch 

 of the windpipe below, leading to either lung. 



Buc'cAL, a. Pertaining to the cheeks inter- 

 nally. 



Buff, Buffy ; a. Pale brownish-yellow ; color 

 of yellow buckskin. 



C. 



Cadu'cou.s, a. Falling off earh'. 



C^'cAL, a. Pertaining to the caeca. 



C^'cuM, n.; pi. coeca. (Pronounced sec'cum.) 

 Intestinal cul-de-sac at junction of smaller 

 and larger intestines, usually present paired 

 in birds ; sometimes a foot long. (Also writ- 

 ten coscum, cceca.) 



Cal'amus, n. Quill ; the dry, hard, horny 

 portion of the stem of a feather below the 



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