GLOSSARY. 



545 



between tlie leg (cms), niij tlie tarso-metatar- 

 sus (sliaiik). With lew excejitions among cer- 

 tain Jiiiptorcs, it always bcnils backwaul ; the 

 knee always has its convexity forwanl. 



Heel-pao, )i. (115.) Pterna; tuber (which see). 

 The posterior ])ortioa of pclina, iinnieJiately 

 under the foot-joint, and freciuently pronii- 

 nent. (But heel-pad should not lie used 

 in this connection, since tlie heel {calcaneus) 

 is at the top of the tarsus, and not at the 

 bottom where the hccl-pnd lies.) (115.) 



Hf.mi- {in composilioii). Semi- ; demi- ; half. 



Hepat'ic, a. Pertaining to the liver ; as, lie- 

 patic artery, hepatic secretion. 



Heteroge'xeous, a. Of difterent or dissimilar 

 nature ; of mixed or miscellaneous character. 



He.k'A(Jon, ». Figure of six sides and six 

 edges. 



HEXAO'oN.iL, a. Having six sides and edges. 



HlBEii'x.\L, a. Pertaining to the winter time. 

 (Neither this nor ccstival are much used, al- 

 though vernal and autumnctl are continually 

 employed.) 



HiND-NECK, n. (48.) See Cervix. 



Hind-toe, ». (129.) See Hallux. 



Hinder Parts. (8.) See Ur.eu.m. 



Hip, n. Joint of femur with pelvis ; projec- 

 tion formed by femoral trochanter over the 

 joint. 



Hirsute', a. Hairy ; rather shaggy, as the 

 feet of a grouse. 



Histog'env, 11. Formation of tissue. 



Histol'ogy, n. Minute anatomy ; history of 

 tissue. 



Histon'omt, n. Laws of formation of tissue. 



Hoar'y', a. Of a pale silvery-gr.ay. 



Holurhi'nal, a. Having the nasal bones con- 

 tiguous. 



Homogene'ity, n. Sameness ; structural simi- 

 larity. 



Ho.moge'neous, a. Of the same kind or na- 

 ture. Opposed to hettTOCjeneous. A homo- 

 geneous group contains only structurally re- 

 lated forms. 



Ho.molog'ical, ) a. Structurally related ; hav- 



Ho.MOL'ooors, i ing structural affinitj'. Op- 

 posed to analogous, which implies similarity 

 of appearance, purpose, or use without corre- 

 sponding affinity. 



Homol'ooy, n. Structural affinity, generally 

 implying genetic relationship. Ojiposed to 

 analogy, or mere I'esemblance. 



HoMOTYP'iCAL, a. Of the same type of struc- 

 ture. 



Homot'ypy, n. A particular kind of homol- 

 ogy- 



Hor'sotixe, a. or n. Yearling ; a bird of the 

 year. 



Hu'meral, a. Pertaining to the humerus, or, 

 more generally, to the ujiper arm. 



Hu'merus, n. The u]>per arm bone ; sometimes 

 the whole upper-arm, from shf)ulder to elbow. 



Hy'aline, j rt. Tran.sparent, like glass ; said 



Hy'aloid. \ chieHy of the vitreous humor of 

 the eye, and of certain appurtenances of the 

 back chamber of the eye. 



Hy'brid, a. or n. Cross-born between two spe- 

 cies ; mongrel. 



Hybkidiza'tiuN, n. Cross-fertilization. Pro- 

 duction of hybrids. 



VOL. III. GO 



Hy'bridize. To cross and bear mongrel off- 

 spring. 



Hy'oID, I a. Pertaining to the OS Aj/oi(^c« or 



Hyoid'eak, ( tongue-bone, or, more gener- 

 ally, to the tongue itself. 



Hyp.\1'opii'ysis, n. Bony process from the 

 underside of a vertebra, sometimes very laige, 

 as in the loon. 



Hyper- (in compoHlion). Same as super- (which 

 see). 



Hyperbo'rean, a. Northern ; boreal. 



Hyperchkom'atism, n. State of unusually in- 

 creased or intensified coloration. 



Hyper'trophy, n. Inordinate enlargement of 

 a part or organ, due to excessive nutrition. 

 The opposite of atrophy, or tiie wasting away 

 of au organ through deficient nutrition. 



Hypo- (in composition). Same as sub- (which 

 see). 



Hypociiox'drium, n. The flank. (Oftener vised 

 in the plural, hypoclwiulria, flanks.) ((J7.) 



Hypodac'tylum, )i. Soles of the toes. (118.) 



Hypog.\s'tric, a. Under or behind the belly. 

 (Little used). 



Hypognath'ous, a. Having the nnder man- 

 dible longer than the upjier, as the black 

 skimmer. 



HYPOFri'LUM, n. Supplementary plume, or 

 accessory plume, springing from the same 

 barrel of the main feather. Generally found, 

 but wanting in many families, and always on 

 the quills of the wungs and tail. Synony- 

 mous with hyporrhachis as generally used. 



Hypou.a.'dii, n. pi. Barbs of the hypoptilum. 



Hyporrha'chis, n. Aftershaft ; stem or scape 

 of the supplementary plume. Generally used 

 for the whole of stich accessory feather, but 

 best thus restricted. 



Hyputh'esis, n. A reasonable presumption or 

 supposition taken as premise of an argument, 

 or as probably true, to account for what is not 

 nnderstood. As it does not necessarily rest 

 upon fact, it has not the weight or dignity of 

 theory. 



Hypothet'ical, a. Eeasonably presumptive : 

 logically sufiposititious ; conditional ; as- 

 sumed without proof but with fair jirobability. 



Identifica'tion, n. Act or process of deter- 

 mining to what species a specimen or a name 

 belongs ; the determination so made. 



Iden'tify. To determine the name of a speci- 

 men or of a species ; to ascertain the identity 

 of a certain specimen with a name, or name 

 with a certain species. 



Igxo'ble, a. Said of liawks lacking the special 

 qualities of those used in falconry. 



Il'eum, n. Lower portion of snjall intestine. 



Il'iac, a. Relating to the iliutn, or haunch- 

 bone ; also, to the ileum. 



Il'ium, 11. Haunch-bone ; priiu'ipal bone of the 

 jielvis, forming with the ischium and pubis 

 the OS innominatum. 



Im'bricated, a. Fixed shingle-wise with over- 

 lapping edge or end. 



Immac'i'late, a. Unspotted; not marked 

 with difl'ereut colors. 



