Rhinodermatidas 
salient batvacliians. typified by the genus Itlii- 
noderma. 
Rhinodon (ri'no-dou), w. [NL. (Smith, 1841), 
< Gr. pivi/, shark. + Moh; (aSovr-) = E. tooth. \ In 
i., the typical genus of BMnodontitte, hav- 
ing verv numerous small teeth. R. tiipicus is a.. 
immense shark, occasionally reaching a length of 40 feet 
or more, found in the Indian ocean, called whale-shark 
from its size. 
Rhinodontidae (ri-no-doii'ti-de), . pi. [NL., < 
RMnodon(t-) + -idee.] A family of selachians, 
typified by the genus Rhinodou; the whale- 
sharks. There are two dorsals, neither with spines, and 
a pit at the root of the caudal fin, whose lower lobe is well 
developed ; the sides of the tail are keeled ; there arc no 
nictitating membranes ; the spiracles are very small, the 
teeth small and many, the gill-slits wide, and the mouth 
and nostrils subterminal. Besides It. typicus the family 
contains Micristodits punctatus of California. 
rhinodynia (ri-no-din'i-ii), . [< Gr. pit (ptv-), 
nose, + oiivi/, pain.] Pain in the nose or nasal 
region. 
Rhinogale (ri-no-ga'le), n. [NL. (J. E. Gray, 
1804), < Gr. pit' (ptv-), nose, + }a/.?/, weasel.] 
The typical genus of BliiuogaUnie. The species 
is R. melleri of eastern Africa. 
Rhinogalidse (ri-uo-gal'i-de), n. pi. A family 
of viverrine quadrupeds, named by Gray from 
the genus Rliiimi/die, corresponding to the two 
subfamilies RkinogaHnte and Crossarcliina. 
Rhinogalinae (ri"no-ga-li'ne), w. pi. [NL., < 
Illiiiioijiilc + -ins.'} The typical subfamily ot 
Bhinogatidx. 
rhinolith (ri'no-lith), . [< Gr. pit (piv-), nose, 
4- tjQnt, stone.] A stony concretion formed in 
the nose. 
Mr. M showed a Rhinolith weighing 105 grains. 
It had been extracted without much difficulty from the 
nasal fossa of a woman aged about forty-five. 
Lancet, No. 3421, p. 582. 
rhinolithiasis (ri"n6-li-thra-sis), . [NL., < 
rhinolith + -iasix.] The condition characterized 
by the formation of rhinoliths. 
rhinological (ri-no-loj'i-kal), . [< rhinolog-y 
+ -ic-al.] Pertaining to or of the nature of 
rhinology. 
rhinologist (ri-nol'o-jist), n. [< rhtnotoa-y + 
-ist.] One versed in rhinology ; a specialist in 
diseases of the nose. 
rhinology (ri-nol'o-ji), H. [< Gr. pit (piv-), nose, 
+ -"/tnyia, < teyeiv, 'speak : see -ology.] The sum 
of scientific knowledge concerning the nose. 
Rhinolophidse (ii-no-lof'i-de), w. pi. [NL., < 
Rhinolophus + -idee.} A family of the vesper- 
tilionine alliance of the suborder Microehirop- 
tera and order Chiroptcra, typified by the genus 
Rhinolophus; the horseshoe, leaf-nosed, or rhi- 
nolophine bats. They have a highly developed nose- 
leaf, large ears with no tragus, rudimentary inarticulate 
premaxillary bones, minute upper incisors, the tail long 
and inclosed in the interfemoral membrane, and a pair of 
rhinopharyngitis(ri-no-far-m-ji'tis). 
< Gr. pit (/>"'-), nose, + <put". z (<MI><" ; -) + -</'* 1 
Inflammation of the mucous membrane of the 
nose and pharynx. 
RMnophidae (ri-nof'i-de), //. pi. [NL., < Bhino- 
phix + -idie.] A family of tortricine serpents, 
named from the genus Bktaopkis : synonymous 
with Uropeltidee. K. 1). Cope, 1886. 
RhinophiS (ri'no-fls), . [NL. (Hemprich), < 
Gr. pit (piv-}, nose, + tyt, a serpent.] A genus 
of shield-tailed serpents, of the family DirqpWfc- 
<lse, and giving name to the EMnophldse, having 
the rostral plate produced between and sepa- 
rating the nasals, and the tail ending in a large 
shield, as ill Uropeltis. They are small serpents, un- 
der 2 feet long, and live under ground or in ant-hills, feed- 
ing upon worms and insect-larvte. The tail is short, the 
mouth not distensible, and the eyes are small. Bareru 
Ceylonese species are described, as R. agyrhynaau and 
R. pmtctatus, sharing with those of Uropeltis the name 
shieldtatt. 
rhinophore (ri'no-for), n. [< Gr. pit (pa-), nose, 
+ tfteptiv = E. MM*.] In Mollusca, one of the 
hinder pair of tentacles of opisthobranchiate 
gastropods, supposed to function as olfactory 
organs; in general, an organ bearing an olfac- 
tory sense. Also spelled rltinoplior. 
The rhinophores are a pair of tentacles placed near the 
anterior end of the body, on the dorsal surface of the head. 
Micros. Set., X. S., XXXI. i. 41. 
Rhinophryne (ri-i)p-fri'ue), . [NL.,alsoA'/i/- 
nophrynus (Dumeril and Bibron), < Gr. pit (pw-), 
nose, + <t>pvwi, a toad.] A genus of spade-footed 
toads, typical of the family Rltinophrynidse, hav- 
ing the skull remarkably ossified. R. dorsalis of 
Mexico, the only species, lives under ground, being capable 
of making extensive excavations with the "spades with 
which the hind feet are furnished. 
Rhinophrynidae (ri-no-frin'i-de), n. pi. [NL., 
< BMnophrync + -idss.] A family of arciferous 
salient batrachians, represented by the genus 
Khinophryiie, without maxillary teeth, with di- 
lated sacral diapophyses, and the tongue free 
in front (proteroglossate). These toads are 
among a number known as spade-footed. 
Rhinophylla (ri-no-fil'a), . [NL. (W. Peters, 
1865), < Gr. pit (i>iv-), nose, + pi'M.ov, a leaf.] 
A genus of very small South American phyl- 
lostoinine bats, having no tail. li. pumilio is 
the least in size of the family, having a fore- 
arm only li inches long. 
rhinophyma (ri-no-fi'mil), . [NL., < Gr. pit 
(piv-), nose, + <t>i>pa, a tumor: see Pliymatn.'] 
Hyperemia of the skin of the nose, with hyper- 
trophy of its connective tissue and more or less 
inflammation of its glands, forming a well-de- 
veloped grade of acne rosacea: restricted by 
some to cases presenting extraordinary enlarge- 
ment, sometimes regarde 
Rhipidoglossa 
UK i-.] In irlitli.. g.-nus of niys oi 1 the family 
Milliobatidte, having the snout einarginate, 
tci-th in several scries, and cephalic fins below 
the level of the disk. /;. ijuadriloba is a cow-nosed 
ray, of great size, common on tin- Atlantic coast of the 
li'iited States from I'ape Cod southward. 
rhinorrhagia (n-no-ra'ji-ii), . [NL., < Gr. pit 
(pii--), nose, + pai'iti, < /V/; mm, break, burst.] 
Hemorrhage from the nose ; epistaxis. 
rhinorrhea, rhinorrhcea (ri-no-re'ii), . [ 
liiiiinn-liU'U, < Gr. pit (/>'-), nose, + poia, a flow, 
< /it/r, flow.] Mucous or mucopurulent dis- 
charge from the nose. Also called rhiiioblcn- 
Horraea. 
rhinorrheal, rhinorrhoeal (ri-no-re'al), . 
rliinnrrlicn + -at.] Pertaining to or affected 
with rhinorrhea. 
Rhinortha (ri-nor'tha), M. [NL., < Gr. pit (pf-), 
nose, + ui/tloc, straight.] 1. In oruitli., a ge- 
nus of cuckoos, of the family Cuculidee: and sub- 
family Plteeiiicoplneinee, founded by Vigors in 
1830, characteristic of the Malaccas. . ciilo- 
roplixa is the only species. 2. In eiitam., a ge- 
nus of hemipterous insects. 
rhinoscleroma (ri"no-skle-r6'ma), 11. [NL., < 
Or. pit (piv-), nose, + oafa/pos, hard, + -onui.] A 
disease affecting principally the nose, but also 
the nasal passages, lips, and the pharynx, char- 
acterized by smooth nodular swellings of a red 
color and of a stony induration. It is of slow 
growth, without inflammation of surrounding parts, and 
without pain except on pressure ; a short bacillus seems 
to be invariably present in the growth. Khinoscleroma 
is a rare disease, the accounts of which have come mainly 
from Austrian observers. 
rhinoscope (n'no-skop), . [< Gr. pit (P'V-), 
nose, + (JKOTrciv, view.] An instrument for ex- 
amining the nose. Thecommonrhiuoscopeisasmall 
plane mirror like a laryngoscopic mirror, but smaller, for 
introduction into the pharynx, with a concave head-mir- 
ror or other device for throwing the light upon it; with 
this the posterior nares are examined. An instrument 
for holding the nostrils open and the hairs out of the way, 
so that the nasal passages may be inspected from in front, 
is usually called a nose-epeadmn. 
,nu uicioseu in me iiiiciicimi mi,iit'j.~, .. .- * 
prepubic teat-like appendages in the female. These bats 
inhabit temperate and tropical regions of both hemi- 
spheres. The family is divided into Kkinotophiua: and 
PhyUorhiniiue. See cut under Phyllorhina. 
Rhinolophinae (rl"no-lo-fi'ne), . pi. [NL. ; < 
Khinolophus + -inx.'] 'The typical subfamily 
of Rhinoloplndee, containing the horseshoe-bats 
proper, having the pedal digits with the normal 
number of phalanges, and the iliopectineal 
spine distinct from the antero-inferior surface 
of the ilium. 
rhinolopbine (ri-nol'o-fin), . and H. I. a. 
Of or belonging to the Hhinolophinx. 
II. . A horseshoe-bat. 
Rhinolophus (ri-nol'o-fus), . [NL. (Geoffroy), 
< Gr. pit (piv-), nose, '+ Ao/wc, crest.] The typi- 
cal and only genus of horseshoe-bats. It con- 
tains upward of 20 species, having the dental formula 1 
incisor, 1 canine, 2 premolars, and 3 molars in each upper 
half-jaw and 2 incisors, 1 canine, 3 premolars, and 3 mo- 
lars in each lower half-jaw, and the nose-leaf lanceolate 
behind. It. hipposideros of Europe is the best-known spe- 
cies R. ferro-equinum is widely distributed in Europe, 
Africa, arid Asia. /(. luctui is a large Indian and Malayan 
species. 
Rhinoraacer (ri-nom'a-ser), . [NL. (Fabricius, 
1787), < Gr. pit (pw-),"nose, + /innpot, long.] A 
small genus of rhynchophorous beetles, typical 
of the family Bhinomaeertda. comprising only 5 
species, 4 of which are North American and 1 
European. 
Rhinomaceridae (ri'no-ma-ser'i-de), . 1*1. 
[NL., < liliiiiniiKtrrr 4- -idee."} A family of 
rhynchophorous coleopterous insects named 
by Leach in 1S17 from the genus SMnomaeer, 
having the fold on the inner surface of the 
elytra near the edge obsolete or null, the pygi- 
dium alike in both sexes, and the labrum dis- 
tinct. It is a simill family, inhabiting the north temper- 
ate zone, and ft^dinjr npim the nude flowers of conifers, 
in which al-o the ciri-s arc laid. 
led as distinct from acne 
rosacea. 
rhinoplast (ri'no-plast), n. [Irreg. < rltmo- 
plast-ic.} One who undergoes a rhinoplastic 
operation; one who has an artificial nose. 
rhinoplastic (ri-no-plas'tik), a. [< Gr. pit 
(/wi'-), nose, + irAaaaew, form, mold : see plastic.] 
Pertaining to or of the nature of rhinoplasty. 
Rhinoplastic operation, a surgical operation for form- 
ing an artificial nose, or restoring a nose partly lost. It 
generally consists in bringing down a triangular piece 
of skin from the forehead, twisting it round, and causing 
it to adhere by its under surface and edges to the part of 
the nose remaining. The skin may also be taken from 
another part of the body. The extreme joint of one of the 
fingers has been used in supporting such an artificial nose. 
Sometimes called Tatiacotian operation, from Taliacotius, 
an Italian surgeon, who first performed it. See Carpue's 
rhimiplagtic operation, under operation. 
rhinoplasty (ri'no-plas-ti), . [= F. rhinoplas- 
tie; as rhfnoplast-ic + -i/ 3 .] Plastic surgery of 
the nose. 
Rhinopoma (ri-no-po'ma), w. [NL. (Geoffroy), 
< Gr. pit (pi"-), nose, +"iru^a, a lid, cover.] A 
remarkable genus of Old World emballonurine 
bats, with one species, K. micropliytluni, having 
a long slender tail produced far beyond the nar- 
row interfemoral membrane, two joints of the in- 
dex-finger, united premaxillary bones, and very 
weak incisors. The genus exhibits cross-relationships 
between Emnallonuridee and Xycteridse (of another sec- 
tion of Microchiroptera\ and is sometimes made type of a 
supergeneric group (Jtliuwpomata). This bat is found 
in Egyptian tombs and similar dusky retreats of Africa 
itiul India. 
Rhinopomastes (ri"no-p6-mas'tezt, . [NU 
(Sir Andrew Smith, 18'J8, in the form Bltino- 
pomaiitus), irreg. < Gr. />/f (/>'-), nose, + irw/m- 
rr/piov, dim. of iru.uo, a lid, cover.] A genus of 
African wood-hoopoes of the family xoi 1 
rhinoscopic (ri-no-skop'ik), . [< rhinoscope 
+ -ic.'} Of or pertaining to the rhinoscope or 
rhinoscopy ; made with or effected by the use 
of the rhinoscope. 
rhinoscopy (ri'no-sko-pi), n. [< rliiiiOKCOpe 4 
-(/.] The inspection of the nares with a rhi- 
noscope from behind (posterior rhinoscopy), or 
with a nasal speculum from in front (anterior 
rhinoscopy). 
rhinotheca (ri-no-the'kii), .; pi. rliinothecse 
(-se). [NL., < Gr. pit Ip'v-), nose, + Hi/nr/, a 
sheath.] In ornitli., the integument of the 
upper mandible of a bird, exclusive of the der- 
trotheca. 
rhinothecal (ri-no-the'kal), . [< rliinothecii 
+ -nl.'] Of or pertaining to the rhinotheca. 
Rhiphipterat (ri-fip'te-ra), n. pi. Same as lilii- 
jiiptera. 
Rhipicera (ri-pis'e-ra), M. [NL. (Latreille. 
1817), < Gr. pmif, a'fari', + nepat, horn.] A ge- 
nus of serricoru beetles, typical of the family 
Hhipicerittse. The species are all South Amer- 
ican and Australian. Also called Rhipidoceni. 
Rhipiceridae (rip-i-ser'i-de), n.pl. [NL. (La- 
treble, 1834), < SMpioera + -*te.] A small 
family of serricorn beetles, having the front 
coxee transverse and the onychium large and 
hairy, comprising 9 genera of few species, wide- 
ly distributed except in Europe. Also called 
illiipidoccridae. 
rhipidate (rip'i-dat), . [< 'Gr. pOT/f (PCT!-), a 
fan, + -atel.] Fan-shaped; flabelliform. 
There are several species, as R. cyao>i<i-l<tx. 
Sec Irrixorida'. 
Rhinoptera(ri-nop'te-rii). . [NL. (Kuhl.1836), 
< Gr. p/'t; (ptv-), nose, + irreprfv, wing, = E. fcn- 
rhipidion (ri-pid'i-on), . ; pi. rliipidia (-a). 
[Gr. pimfiuiv: see rkipiaium.] In the Gr. Ch., 
the eucharistic fan, or flabellum. Also rliipix. 
Rhipidistia (rip-i-dis'ti-a), . pi. [NL., < Gr. 
/Hirif (pivi6-), a fan, + larlm, a sail.] An order 
of rhipidopterygian fishes, having special basal 
bones to the dorsal and anal fins, comprising 
the extinct family Tristichoptcridie. 
rhipidistious (rip-i-dis'ti-us), . [< Bhipidistia 
+ -OM.] Of or relating to the Jiliipidisthi, See 
quotation under rhipidiipteryi/ian. 
rhipidium (ri-pid'i-um), w.; pi. rhi/iiilin (-a). 
[NI^./ Gr. ptmdtov, dim. of piirit, a fan.] In lx>t.. 
a fan-shaped cymose inflorescence, in which 
the successive branches or relative axes are in 
the same plane, and each from the back of the 
preceding: a form, according to Eichler (the 
author of the name), occurring only in mono- 
cotyledons. 
Rhipidoglossa (rip''i-do-glos'ii), u. >ii. [NL., 
< Gr. P/TT/C (/-!-), a fan. + ;/wnmi. the tongue.] 
EtbipidoglOMate mollusks: a large group, vari- 
