parhomoeon 
irapn, near, + u/uunf, like.] In imc. i/nl.. same 
parhomologous (piir-ho-moro-gus), a. [< /- 
I/IIIIIII/IH/-I/ + -</.<.) Pertaining to or chaructcr- 
parhomology (piir-ho-mol'iVji), . [< Or. irapa, 
beside, + I',. liniHiiliii/i/. I An apparent homolo- 
gy which docs not const it iilc Iriiehoinodynamy, 
us of purls occupying successive segments of 
(lie body; imitative homodyiianiy. 
parhypate (piir-hip'ji-tc). . [< Gr. vapa, be- 
side, -f- inriin/ (mi. rapcfy).tht highest note as re- 
gards length of string, Imt the lowest note as 
regards pilch: sec lii/pittr.] In nnr. dr. mn*u; 
the noxt to the lowest tone of either the lowest 
or the middle tetrachord : so called because it 
lay next (above) the tone hiipnti: Its pitch w;is 
probably about that of either middle C or the F 
next above it. See It Inn-linril. 
Pariah ( pii'ri-ii), n. [Formerly also I'aria (= F. 
pariit); < Tamil /inriii/i. /mrinr, common but 
corrupt forms of puraiyan, Malayalam jianii/nn. 
a man of a low caste performing the lowest 
menial services, lit. ' a drummer ' (the Pariahs 
being the hereditary drum-beaters). < parai, a 
large drum beat at certain festivals.] 1. A 
member of a low caste of Hindus in southern 
India, lower than the regular castes of the Brah- 
manical system, by whom they are shunned as 
unclean, yet superior to some other castes in 
the Tamil country, where they constitute a con- 
siderable part of the population. The Pariahs 
are commonly employed as laborers by the agri- 
cultural class, or as servants to Europeans. 
2. [/. c.] A member of any similarly degraded 
class ; one generally despised ; an outcast from 
society ; a vagabond. 
The Hebrew child has entered adolescence only to learn 
that he wag thu pariah of that ungrateful Europe that 
owes to him the best part of its laws, a fine portion of Its 
literature, all Its religion. Dixraeli. 
Mrs. Morrison was that pariah who, in a village like 
Equity, cuts herself off from hope by taking In washing. 
, Modem Instance, vl. 
Pariah dog, In India, a mongrel and vagabond cur of wolf- 
ish habits, infesting villages and the outskirts of towns. 
parial 1 (par'i-al), a. [< par' 2 + -ial.} Relating 
to a pair; occurring in pairs: a,a,parial bones 
contrasted with unpaired ones. Owen, 
parial' 2 t (pa-ri'Hl), Same as pair royal (which 
see. under pair*). 
Parian (pa ri-an), a. and . [= F. ]>arien (cf. 
Sp. Pg. It. parto), < L. Parius, Parian. < Parox, 
Pants, < Gr. fldpoc, Paros. one of the Cyeladeg, 
famous for its white marble.] I. . Of or per- 
taining to Paros, an island in the j&gean Sea. 
Parian chronicle, an important Greek historical In- 
scription found In the island of Faros, and now preserved 
among the Arundelian marbles at Oxford. It extended 
originally from the mythical reign of Cecrops, King of 
Athens, taken as B. c. 1BS2, to the archouship of Diogene- 
tus, B.C. 264 ; but the end is now lost, and the surviving 
part extends only to B. c. 356. The chronicle embraces 
an outline of Greek history, with especial attention to fes- 
tivals, poetry, and music. Political and military events 
are less carefully recorded, many of importance being 
omitted entirely. Parian marble, a white marble of 
mellow tone and somewhat large grain, highly valued by 
the ancients, and chosen for some of their choicest works 
in sculpture. The principal supply was obtained from 
Mount Marpessa in the island of Paros. Parian porce- 
lain. Same as II. 
TT. n. A fine variety of porcelain, or porce- 
lain clay, of which statuettes, etc., are made : 
so named from the resemblance of work in it 
to white marble. 
Pariasauria (pa-ri-a-sa'ri-ji), . pi. [NL. : see 
ftrtaMMnw.] A suborder of theriomorous rep- 
tiles, proposed for the family I'ariasauritkr, dis- 
tinguished by the one-headed ribs and roofed 
temporal fossa. Also called I'oti/loxanrin. 
Pariasauridffi (pa-ri-a-sa'ri-de), 'n. pi. [NL., 
< Pariaxaiirux + -irtie.'] A family of theriomo- 
rous rept iles, typified by the genus Parittsanriix, 
distinguished by the conical teeth. Their bones 
have been found in the Permian beds of Cape 
Colony. 
Pariasaurus (pa-ri-a-sa'rus), . [NL., < Gr. 
irapetA, cheek, + aavpof, lizard.] A genus of the- 
riomorous reptiles, typical of the family Paria- 
Paridas (par'i-de), n. pi. [NL.,< Parus + -irfa?.] 
A family of oscine passerine birds, named from 
the genus Paws, of uncertain definition and sys- 
tematic position, authors not agreeing in their 
use of the nanv>. It contains most of the birds 
commonly called tits, titmice, chickadees, etc. 
paridigitate(pnr-i-dij'i-tat), a. [<L. par, equal. 
+ itiijitattts, having fingers or toes: seerfijn'/ate.] 
In :ool., having an even number of digits, 
as two or four fingers or toes: the opposite 
4291 
of Impiiriilii/itiili-. Among hoofed quadrupeds 
the piiridigiliile condition is culled artiodactyl 
(which see for clltn). 
paridrosis, . Sec pnrhHronit, 
paries (|>n'ri-ez), n.; pi. partite* (pa-ri'e-te/. . 
[NL.,< .Li.parii.- -i ///-), a wall.] 1. In annt. 
nndc'xrf. : () A wall or inclosure; an envelop 
or investment ; ft body-wall; any part which in- 
closesor bounds a cavity : geiieriilly in the plu- 
ral : as, the thoracic or abdominal parietex (that 
is, the walls of the chest or belly;. (6) In Cir- 
fljiiilin, the free middle p:irt ( tin- shell. ;i- 
distinguished from the lateral wings, (c) One 
of the perpendicular partitions separating the 
cells of a honeycomb or a wasps' nest. 2. In 
but., the side or wall of an ovary or capsule, 
parietal (pfi-ri'e-tal), . and n. [= F. parietal 
= Sp. Pg. parietal = It. parietale, < LL. parie- 
tulix, belonging to walls, < L. paries (pariet-), 
wall.] I. n. 1. Pertaining to a wall. 2. Per- 
taining to buildings or the care of them; resi- 
dent within the walls or buildings of a univer- 
sity or college, or having charge over the build- 
ings and the conduct of the students, etc., of a 
university or college. 3. In aunt, and *<;/., 
specifically, pertaining to the walls of a cavity 
of the body, in distinction from its contents . op- 
posed to visceral : as, parietal and visceral re- 
flect ions of the peritoneum. 4. In hot., per- 
taining to or arising from a wall: usually ap- 
plied to ovules when they proceed from or are 
borne on the walls or sides of the ovary Pari- 
etal angle, see craniometry. Parietal angle of Qua- 
trefages, in cranunn., the angle Included between the 
lines tTrawn through the extremities of the bizygomatfc 
and transverse frontal diameters. Parietal bone. See 
II. Parietal boss. Same as parietal eminence. - Pari- 
etal Committee or Board, a committee having charge 
of the buildings of a university or college, of the conduct 
of the students resident in them, and of the police and 
other regulations within its confines. College Word*, 
p. 343. 
I do not remember a single instance of his being called 
before the Faculty for any impropriety, and only one in- 
stance in which the Parietal Board took him in hand. 
Sumner, N. A. Review, CXXVI. 15. 
Parietal convolution, (a) Inferior, the Inferior parie- 
tal lobule. (6) Superior, the superior parietal lobule, (e) 
Ascending, the posterior central convolution ; the convo- 
lution lying Immediately hack of the fissure of Rolando. 
See cut under cerebral. Parietal crest. See crest. 
Parietal eminence, the central elevation on the exter- 
nal surface of the parietal bone. Also called tuber pari- 
etale. Parietal emissary vein, a vein passing through 
the parietal foramen, connecting the longitudinal sinus 
with the veins of the scalp. Parietal foramen, (a) A 
small foramen for the passage of a vein, close to the upper 
border of the parietal hone, (b) In herpet., an nnossifled 
space in the roof of the skull of some reptiles, especially in 
Lacrrtilia, along the sagittal or coronal snture. Parietal 
fossa, the deepest part, opposite the parietal eminence, of 
laetaner surface of the parietal h. me. Parietal gemma- 
tion. See lateral gemmation, under gemmation. Parie- 
tal goniometer, an instrument for measuring the parie- 
tal angle. Parietal gyrl. Seeiryrw*, and cut under cere- 
bral. Parietal lobe, the middle lobe of the cerebrum, 
separated from the frontal by the fissure of Rolando, from 
the occipital by the external occipitoparietal fissure and 
the continuation of the line of that fissure to the lower 
boundary, and from the temporosphenoldal lobe by the 
horizontal limb of the fissure of Sylvius and the continu- 
ation of the line of the fissure. See cut under cerebral. 
Parietal lobule, (a) Inferior, the convolution of the 
cerebrum lying behind the posterior central convolution 
and below the horizontal part of the Intraparietal sulcus. 
It Is composed of the angular and supramarginal convo- 
lutions. ( M Superior, that convolution of the parietal lube 
which lies above the Intraparietal sulcus and behind the 
upper part of the posterior central convolution. Parie- 
tal peritoneum. See peritoneum. Parietal placen- 
ta, in '"'.. a placenta borne on the wall of the ovary, as In 
the violet, sundew, poppy, gentian, etc. Parietal pleu- 
ra. See pleura. Parietal protuberance. Same as 
parietal eminence. Parietal segment of the skull, 
the second cranial segment, between the occipital and the 
frontal. 
II. n. In a mil., one of a pair of bones of the 
cranium, right and left, developed in mem- 
brane, forming a part of the top and sides of 
the brain-box, between the occipital and the 
frontal bone. They are greatly expanded In man and 
a few other animals. These bones together constitute, 
along with the alisphenoid and baslsphenoid. the second 
cranial segment. See cut in next column, and cuts under 
Crocodilia, Felidie, and dcuU. 
parietale (pa-ri-e-ta'le), H. ; pi. parietalia (-lia). 
[NL., neut. of LL. parietalis, belonging to walls : 
see parietal.'] One of the parietal bones : more 
fully called ox parietale. 
Parietales (pa-ri-e-ta'lez), n. pi. [NL. (Ben- 
th.'iin and Hooker, 1862), so called asnavingthe 
placenta parietal ; pi. of LL. parietalis, parie- 
tal: see parietal.~\ A cohort of dicotyledonous 
polypetalous plants with parietal placenta, em- 
brncing nine orders, including the Crueiferte. 
Parietaria (pa-ri-e-ta'ri-S), n. [NL. (Tourne- 
fort, 1700), < L. parietaria (sc. herba), the herb 
parietary: see parietary. ~] A genus of plants of 
parietovaginal 
Left Parict.il Bone. 
f. coronal border ; i, uiritul border : I, Umbdold border : m, iMStotd 
border ; if, tpheoold border i tf, iquamoMl border. 
the apetalous order Urticaeex and the tribe I'rti- 
eeee, type of the subtribe Parietariefp, known 
by its spreading herbaceous stems, and axillary 
clusters of three to eight flowers. There are about 
8 species, widely scattered through temperate regions. 
They are low plants, often supporting themselves by 
hooks which terminate long haira, and tn-aring small al- 
ternate three-nerved leaves and little bracted flowers. 
They are known as pellitory at paritory; also hammer- 
wart, and formerly h&xine. P. ojleinatit, the moat com- 
mon species, Is the wall-pellltory or llchwort. See pitti- 
tory. 
Parietarie (pa-ri'e-ta-ri'e-e), n. pi. [NL. 
(Weddell, 1869), < Parietaria + -<.] A sub- 
tribe of the tribe I'rtiefte in the order I'rticafftr, 
the nettle family, distinguished by entire leaves, 
an involucre of two to six bracts, and hairs which 
lack the stinging property. It Includes 5 genera, of 
which Parietaria is the type, with small, inconspicuous 
flowers and generally diffuse habit. One species, of the 
Canary Islands, Is a small tree. 
parietary (pa-ri'e-ta-ri), n. [In older use (HE.) 
paritorir, paratory, etc. (see pellitory); = F. 
parietaire = Sp. Pg. It. parietaria,^. L. parieta- 
ria, the herb pellitory, prop. fern. (sc. herba) of 
parietariwt, belonging to walls, < paries (pari- 
et-), a wall. Cf. pellitory, from the same source.] 
The wall-pellitory, Parietaria offlcinalis. 
parietes, . Plural of paries. 
parietinet (pa-ri'e-tin), n. [< L. parietintt, ruins, 
(parietinuti, belonging to walls, tpariex (pariet-), 
wall.] A ruin ; a piece of a ruined wall. 
We have many mines of ... bathes found In this Island, 
amongst those parietine* and rubbish of old Roman townes. 
Ilurton, Anat. of Mel., p. 238. 
parietofrontal (pa-ri'e-to-fron'tal), a. and n. 
[< L. paries (pariet-), a wall (see parietal), + 
frons (front-), front: see frontal.} Same as 
frontoparietal. 
parietomastoid (pa-ri'e-to-mag'toid), a. Per- 
taining to the parietal bone and the mastoid 
portion of the temporal bone; mastoparietal. 
Parietomastoid suture, the suture uniting the poste- 
rior inferior angle of the parietal with the upper border of 
the mastoid portion of the temporal bone. See cut above. 
parieto-occipital (pa-ri'e-to-ok-sip'i-tal), a. 
Pertaining to the parietal and occipital bones 
or lobes. Parleto-occipltal fissure, one of the prin- 
cipal sulci of the cerebrum, separating the parietal and 
occipital lobes. It Is best marked on the mesial surface 
of the hemisphere, extending downward and a little for- 
ward from the margin to near the posterior extremity of 
the callosum to Join the cahtarine fissure. On the convex 
surface it Is continued transversely outward for a variable 
distance, generally less than an inch, and is here called the 
external parietfutccipilal fintwre. See cut u nder cerebral. 
Parleto-occipltal suture, the snture between the pari- 
etal and occipital bones ; the lambdold suture. 
parietoquadrate (pa-ri'e-t 6-kwod'rat), a. Con- 
necting the parietal and quadrate bones Pari- 
etoquadrate arch, an arch characteristic of the skull of 
reptiles, In which the connection Is made by the Interven- 
tion of the oplsthntlc or squamosal, or of both these bones. 
parietosplanchnic (pa-ri'e-to-splangk'nik), a. 
Of or pertaining to the walls of the alimentary 
canal ; parietovisceral. The word notes specifically 
certain ganglia of the nervous system of the higher mof- 
lusks, which are situated at the sides or on the neural as- 
pect of the alimentary canal, and are connected by com- 
missures with the ganglia called cerebral. See cot under 
Ijimellibranchiata. 
parietosquamosal (pa-ri'e-to-skwa-mo'sal). a. 
Pertaining to the parietal and squamosal bones: 
as, the iKirirt'i.ii/iinmiiniil suture. 
parietptemporal (pa-ri'e-to-tem'po-ral), a. 
Pertaining to the parietal and temporal bones : 
as, the parietotemporal suture. 
parietovaginal (pa-ri'e-to-vaj'i-nal), a. Per- 
taining to the superficial andtotheinvaginatd 
part of the body of a polyzoan : as, parietoragi- 
nal muscles. 
