546 



GLOSSARY. 



iMiMATl'liE', a. Not having yet assumed final 

 size, sliu]ie, ooloi', or other conditions of tlie 

 adult. 



Imper'kokate, a. Not pierced through ; also, 

 closed nil (said chielly of the nostrils). 



Implacen'iai,, a. Having no placenta. Hirds 

 are implaccnttil. 



Incised', «. Cutout; cutaway. 



Incuba'tion, n. Act of setting on eggs to hatch 

 them. 



iNCUM'nENT, a. DeiM-essed or bending down 

 upon Homething ; laid at full length ; chielly 

 sai<l of the hind-toe when its whole length 

 rests on the ground or otln-; sup])ort, owing 

 to its low insertion on the level of the rest. 

 (131.) 



In'iI's, II. A bone of the inner ear of mam- 

 malia, held by high authority to bi' homolo- 

 gous with the (« ijHudraium of birds (which 

 W!e). See also Mallei's. 



I.n'dex, n. The jirineipal digit of the wing is 

 often so called, but is really homologous with 

 the third or middle linger of mammals ; the 

 polle.x or so-called thumb of birds beiiig the 

 homologiU' of the mammalian iiidex. 



In'doles, n. Natural disjiosition. 



iNDrMEN'ri'M, n. Covering of birds ; the pti- 

 losis or ])hnnage. (142.) 



In'ku.v- (m cotii posit Urn). Below ; under; op- 

 posite of s:'nra: It is in jiart .synonymous 

 with sab; nut refei's only to position, wliile 

 sith- is of un»v extensive ap|ilication. 



iNFitAMAx'lLLAUV, 71. The Under jaw bone, 

 or mandible. 



ISKItAOIi'mrAL, n. I'elow the eye-.soiket. 



iNFrsinm'LiFOU.M, n. Iniiinelsli''pfd. 



JNKrMUii'ri.r.M, n. Funnel; name of several 

 dill'errnt organs. 



IsdEs'rA, ((. ;//. Things eaten; contents of crop 

 or stomacli. Op]H).sed to njista. 



IxcLr'vir.s, V. Croji or craw. Also used sy- 

 nonymoii.sly willi chin. 



l.N'ciEN, n. The gioin : wlience the adj. in- 

 ilitiiial. (Little used.) 



Is'iillNAL, tt. Pertaining to the groin. 



IsNEU The, n. (1'27.) In most birds the sec- 

 ond is (lie inner anterior toe ; in the trogons, 

 the third or middle toe l)e(<)iiii's inner anleiiiir 

 by reversion of the second, wliirh is then in- 

 ner |)ostirior. In a few exotic kingfisliers, 

 the second or inner anteiiiir is rudimentary 

 or wanting. In si^veral birds the hallux or 

 lirst or liindcr toe is reversed, and liccomes 

 inner anterior. But in any position the iunr.r 

 toe, properly speaking, is the second, that one 

 with only three joints. 



I.NSOM'lNATE (//();i<-), «• The liel vie bone, com- 

 posed of ilium, ischium, and jailiis. 



INiis( 1 I.a'I'ION, 



(whii'h ser). 



l.NSEITIV'oliolS, i(. 

 InsESS(i'|!ES, II, III. 



now bccomin, 



iNSES.So'llIAr,, II 



.*<aine as AnasioMosis 



Insert-eating. 

 I'liching-birds ; an order 

 obs(dcte. 



[elating to jien hing-birds. 



1nsis'ti;>:t, u. .Said of tlic hiiul toe, when its 

 ba.sc is so elevated that tlic tip only touches 

 the ground. (KJH.) | 



I.N'sTiN( T, II. linperl'cit reason ; the faculty 

 of doing the riglit thing without knowing 

 whv. 



Inteo'i'ment, n. A covering or envelope ; 



commonly, the skin. 

 I.NTEK- (i» co;n;>o»i/io«). Between; among. 

 IsrEiiAUTic'uLAK, a. Betwccu the joints ; in 



a joint ; as, intcra rticalar cartilage. 

 Inteui'us'tal, a. lietweeii two ril j; as, inter- 



custiil muscle, artery, vein. 

 iNTEitMA.x'iLLAitY (biinc), 11. Same as Puemax- 



ILI.AIIY (which see). 

 l.N'TEUXdDE, 71. Any bone of a linger or toe. 

 I.NrEi;oit'nirAL, a. Between the eye-sockets. 

 l.NTEiiJtA'MAL, tt. Between the forks or rami 



of th(! lower jaw. 

 iNTEituui'i'Ei), a. Discontinuous ; broken up. 

 I.STEH.scAi'n.'ifM or iNTEiiscAP't'Lf.M, n. Hegion 



of the upper back between theshouUlers. (,')8.) 

 l.NrElts(Al''lil.A!t, a. Bi'tween the slioulilers. 



The pluriil, intirscnpniiirs or inter.scMipula- 



rii'S, is used to denote the feathers of such 



region collectively. 

 lNVA(i'lSATE, (I. Sheathed. 

 I.NVEii'rEiiiiArE, a. or 11. Having no back- 

 bom' ; an animal without a backbone. Op- 



]ioscd to rertihralt. 

 I'liiAN, liiili'tAN, a. Pertaining to the iris. 

 IlUDEs'cENT, a. Glitteiing with many colore, 



which idiange in diHerent lights. 

 I'kis, 71. Circular muscular curtain suspended 



[lerpcndicidarly in tlie eye between the a(pie- 



ous and vitreous chambers, having a hole in 



the centre (the pupil). It is of all colore in 



birils. 

 Is( iiiat'ic, a. Pertaining to the Ischium. 

 Is'riiHM, II. One of the pelvic bones, the hin- 



dermost. 

 -Isii. A suflix, forndng an adjective, nsualbj 



denoting ])os.ses.sion of a (piality in less de- 



gri'c ; especially used for colors ; as, blackish, 



not (piite bliick, etc. 

 IsTll'Ml's, V. Neck or narrow strip connecting 



two larger portions of same region, patch of 



color, etc. 



J. 



Jaw, 71. See Maxilla, MAXi>rBLE. 



,I|'.jl''ni'M, h. Portion of intestine between 

 ! duodenum and ileum (not delinite, and little 



tl.seil). 

 '. .It'(;AL, a. Pi'itaiiung to the zygoma. 

 \ .]\'i\.\\. (biinc), II. Same as 7ii((/«c bom,'. 

 I ,h'c;i'LAii, a. Pertaining to the jugulum. 



.If'fifU'.M, n. Lower tliroat ; lower foreneck. 

 (53.) 



iIUNCTr'KA, n. Articulation ; joint. 



: Keel, H. Same as fioxYs (which see). (22.) 

 \ Knee, n. Feinoro-tibial articulation. (N. B. 

 i The lieel-joint, sitjl'm(fii, or tibio-metatarsal 

 I articulation, is often iinjiroperly called Lnee.) 

 ' (102.) 



La'iu:l, 71. Card, ticket, or similar slip of 

 paper, jiarchment, etc., utlixed to an object, 

 giving written infoiinution respecting it. 



