GLOSSARY. 



551 



stood ; as, hyoid or hi/cndes, hyoid (bone) or | 

 {os) hi/oidcSy etc. Tlie qiuidratc bone or os I 

 quadratufii is, as to its physical characters 

 and office, not found in animals above birds ; 

 it hinges the lower jaw, jiteiygoid, and malar 

 bones to the rest of the skull. It is regarded as 

 the homologue of the njanunaliun iiicus by 

 some, by others as ])r()bably homologous with 

 the mammalian malleus. 



Os'ciXE, a. Musical ; capable of singing. 



Os'oiXES, n. pi. A group of singiug-birds, pos- 

 sessing a complex vocal organ of numerous 

 syringeal muscles, conferring musical ability. 

 These are regarded as the highest or most 

 perfectly developed of their class. 



Os'sEOU.s, a. Bony. 



A small bone. 



Bony ; rather, having power to 



Os'siCLE, n. 

 Ossif'ic, a. 



ossify. 



Os'SIFIED, a. 



Become bony ; vmited by bone. 



Os'siFY. To form bone ; to change into bone. 



0.steolog'ical, a. Pertaining to osteology. 



Osteol'ogy, 71. A description of bones. Also 

 tised to denote the osseous system, as myol- 

 ogy, neurology, splanchnology, likewise are 

 for their respective systems. 



Os'tium, n. Doorway ; entrance. 



O'tic, a. Pertaining to the ear. 



O'tociune, n. "Skull of the ear"; cavity 

 containing essential organs of hearing. 



Ol'tek Covering. (U2.) See Isdumextum 

 and Ptilosis. 



Ol'ter Web (of a feather). (150.) See PoGO- 

 NIUM Exterxum. 



O'vAL, \a. Egg-shaped ; in a general sense, 



O'vate, f oblong and eiu-vilincar. Distinc- 



O'voiD, ( tions which may subsist between 



Ovoid'al, ) these words are practically ig- 

 noredamong oblogical writers, who use them in- 

 terchangeably for the oblong curvilinear shape 

 when the curve is unequal at the opposite 

 ends ; the terms elliptical, ellipsoidal, being 

 generally used to denote a curve equal at 

 both ends. The tranverse contour-line of an 

 egg being always circuhar, the descriptive 

 terms refer to the lengthwise contour, con- 

 sidered either as of a surface or a solid. 



Ova'rium, 11. ; pi. ovaria, i Organ or tissue 



O'VARY, n. ; pi. ovaries, \ in which eggs 



originate ; they subsequently acquire albumi- 

 nous deposit, and, in birds, a calcareous shell, 

 in the oviduct. 



O'vinrcT, ». Tube conveying eggs from ovary 

 to cloaca. 



Ovir'ARous, a. Producing eggs which are de- 

 veloped after exclusion from the body. Op- 

 posed to I'ififiarous. 



Oviposi'tiox, n. Act of laying eggs. 



O'visAC, u. Ovarian ea-vity in which an egg" 

 originates. Graafian vesicle. 



Ovula'tion, h. Formation of eggs in, and 

 discharge from, the ovary. 



O'VUM, n. ; pi. ova. Egg. Sometimes synony- 

 mous with embryo. 



Pab'uli-m, n. 

 Pads. (123.) 



Food ; nourishment ; aliment. 

 See Tylari. 



PALiEARc'Tic, a. Indigenous to the northern 



parts of the Eastern Hemisphere. 

 PALJiOGi'AX, a. Indigenous to the Eastern 



Hemisphere, or "Old World." 

 Pal^orxithol'ogy, n. Science of fossil birds. 

 Pal'ama, 7i. Webbing between the toes. (138.) 

 Pal'atal, I a. Pertaining to the palate ; palci- 

 Pal'atine, ) tine is said especially of certain 



bones. 

 Pal' ate, n. Eoof of inoutlx. 

 Pal'atum, n. l\u: palate. 

 Pa'lea, n. Fleshy pendulous skin of the chin 



or throat ; dewlap. 

 Pal'lium, 11. Same as Straguli'M (which see). 

 Pal'mar, a. Pertaining to the under surface 



of the pinion. 

 Pal'mate, 1 a. Web-footed ; having the an- 

 Palma'ted, > terior toes full-webbed. Com- 

 Pal'mii'ED, ) pare Semipalmate and ToTl- 



PALMATE. 



Pal'mate Foot. (139.) 



Pal'pebra, h. Eyelid. 



Pal'pebral, a. Pertaining to the eyelids. 



Pal'pebrate, a. Having eyelids. 



Pali'dicole, a. Marsh-inhabiting. 



Pan'creas, n. A lohulated gland near the 

 stomach, the secretion of which poured into 

 the duodenum aids digestion by making an 

 emulsion of fat. 



Pan"creat'ic, a. Pertaining to the pancreas ; 

 as, 2^(t.iicrcalic fluid. 



Papil'la, n. Small fleshy nipple-like promi- 

 nence. 



Pap'ILLATE, ) tt ■ .,7 



Pap'illose, r- Having ;;ni««a;. 



Pap'ul^, n. pi. Pimples. 



Pap'ulous, a. Pimply. 



Paradal'tylum, n. Side of the toes, in any 



way distinguished from top or sole. (119.) 



(Little used.) 

 Paragnath'ou.s, a. Having both mandibles 



of equal length, their tips meeting. 

 Par.\poph'ysis, it. Certain lateral process of a 



vertebra. 

 Parap'terum, 11. Of uncertain meaning, but 



has been applied to the scapular region or its 



feathers. (Little used.) 

 Parasit'ic, a. Habitually making use of other 



birds' nests. 

 Paratar'sium, n. Side of the tarsus, in any 



way distinguished. (105.) (Little used.) 

 Parato'xi'M, n. Side of upper mandible when 



distinguished from the culmen. (Little used.) 

 Parai-che'xium, m. Side of neck. (54.) (Lit- 

 tle used.) 

 Parex'ciiyma, n. Essential substance of a 



t-iscus. 

 Pari'etal (bo)u:s), a. for n. Expanded boties 



forming part of the cranium. 

 Pari'ete.s, n. Wall. 



Paroccip'ital, a. for n. Certain lateral ele- 

 ments of the occipital bone. 

 Parot'ic, a. About the ear. (45.) 

 Parot'ip, a. or «. Pertaining to the ear. JEs- 



peciaUy, a sidivary gland situate near the 



ear. 

 Pas'seres, 11. pi. A group of birds including 



sparrows and all the higher birds. 

 Pas'serixe, o. Sparrow-like. Belonging to 



the group of Pcuisercs. 



