Dermaptera 
<>jil< r<t} of his f'aginatii. 2. Tito earwigs, For- 
fn-nliilti; as an order of Insreta: now usually 
callcil l^nii/i .rii/itrra (which see). Kirby. 
Also Derma ti> l< r,i. 
dermapteran (iK-r-map'te-ran), a. and n. L a. 
Of or pertaining to tho Dermaptera. 
II. ii. One of the Dermaptera. 
dermapterous (der-map'te-rus), a. Of or per- 
taining to tho D< fni<i\il< ni. 
dermatalgia (iler-ma-tarji-ji), n. Same as </< /- 
Dermatemydidae (der'ma-te-mid'i-de), n. pi. 
[NL., < Dmtatemys (-temya-) H- -i'rf<e.] InGray's 
classification, a family of cryptodirous tortoises, 
typified by the genus Dcrmatemys. it includes 
those which have the alveolar surface of the upper jaw sur- 
mounted by a triangular ridge parallel to the proper edge 
of the jaw, and a short transverse ridge attached in the 
middle, in front and separated from the front by a deep 
pit ; the lower jaw with 3 or 5 strong teeth in front fitting 
Into a pit in the upper jaw ; and the alveolar surface Hut, 
with a suhcentral groove along each side. The toes are 
weak and broadly webbed. The group Includes several 
fresh-water tortoises of Central and .South America, and 
some fossil species have also been (erroneously) referred 
to It By most chelonoloyists the group is referred to the 
family Kuujditlir. Also Demiatrnii/'t'i'. 
Dermatemydinae (der-ma-tem-i-di'ne), n. pi. 
[NL., < Di-rmiil' nii/s (-temyd-) + -t;we.] A sub- 
family of emydoid tortoises. Also Dcrmatemy- 
in/i: 
Dermatemys (der-mat'e-mis), n. [NL. (J. E. 
/i -IO^T\ s />_ it /_ \ girjj* ~i- r/iif (tiivf^-} 
The typical genus 
Gray, 1847), < Gr. c5fy//<r(r-), skin, + 
the fresh-water tortoise.] 
bears, the Podosomatn, and certain mitos, as 
l)inii><li '. rli;ir;u'trri/rcl by tho alisi-ncc of ilis- 
tinct respiratory organs. Also DfnMpifM, 
dermatophyte (d6r'ma-to-fit), n. [< Gr. <><>- 
fta(r-), skin, + <j>vr6v, a growth, plant.] A plant 
that grows upon the skin; a fungus of a low 
type which is parasitic upon the skin of men 
and other animals, causing various diseases. 
The best-known species are Aehorum ,vAr, /,;/,/, the fun- 
gus of favus ; Tri<-linj>/ntton tttnsuruitx, the fungus of ring- 
worm ; and M if i'xiivron furfur. 
dermatophytic (der"ma-to-fit'ik), a. [< dcrma- 
litjihyte + -ic.] Of or pertaining to, or caused 
by, dermatophytes : as, dermatophytic diseases. 
Dermatopnoa (der-ma-top'no-a), w. pi. [NL., 
< Gr. 6i/>/ia(T-), skin, H- irvai/, a flowing, < irvclv, 
blow, breathe.] A group of gastropodous mol- 
lusks with rudimentary gills or none. It consist! 
of such genera as Limapontm, I'hyUirhw, and El'i*"'. 
Also called Pellibrancliiaia, Altranchiata, Saeeoyloua, and 
Apnritsta. 
Dermatoptera (der-ma-top'te-ra), i. pi. [NL. , 
neut. pi. of dermatopterus, < Gr. 6tp/ia(T-), skir., 
HP nTf/jov, a wing. Cf. Dermoptera, dermopter- 
ows.] 1. In entom., same as Dermaptera. 2. 
In mammal., same as Dermoptera. 
dermatorrhea, dermatorrhcea (der'ma-to- 
re'a), n. [NL. dcrmatorrhaa, < Gr. 6(p/ut(T-), 
skin, + poia, a flowing, < pf'v, How.] In patliol., 
a morbidly increased secretion from the skin. 
dermatosclerosis (der^ma-to-skle-ro'sis), n. [< 
dermoSssify 
Dermobranchiata (<icr-mo-brang-ki-a'ttt), . 
III. [Nlj., unit. pi. of dciiiiiil'i-iiiirltiiittix: see 
ili riiKiliriiiK-hiiite.'] Same as Dirmnltrancliin. 
dermobranchiate (der-mo-brang'ki-at), a. [< 
NL. ilerniobraiicliiatiix, < ))crmohi-<i/n-liiii, <\. v. ] 
Pertaining to the Dermobranchia; nudibran- 
chiate. 
Dermochelydidae (di-r'mo-ke-lid'i-de), n. pi. 
[NL.,< Dermoi'lmlyx (-dicli/il-) + -idtf.~\ A fam- 
ily of soft-shelled turtles, named from the ge- 
nus Dermochelys : usually called Xjihargididai 
(which see). 
Dermochelys (der-mok'e-lis), w. [NL., < Gr. 
icpfui, skin, HP ^tttiy, a tortoise.] The typical 
genus of Dermoehelydidte : same as Sphargis, 
and of prior date. 
dermogastric (der-mo-gas'trik), a. [< Gr. Slp/ia, 
skin, + -jaari/p, stomach.] Pertaining to the 
skin and to the stomach; connecting the ali- 
mentary canal with the integument ; furnish- 
ing communication between the intestinal tube 
and the exterior of the body : as, a dermogas- 
tric pore. 
The number of the pore-canals (dermo-ffiutric poresX 
which have consequently a dermal and gastric orifice, it 
generally very great. 
Gryenbaur, Comp. Anat (trans.), p. 111. 
demography (der-mog'ra-fi), n. Same as der- 
/nit>//r<i]iTiy. 
of Derinaleinydulai. 
dermatic (der-mat'ik), . [< Gr. 6ep[MTiK6f, < 
6cpiia(r-), skin : see derma.'] Dermal ; cutane- 
ous; pertaining to the skin. Also dermatine. 
dermatin, dermatine 2 (der'ma-tin), . [< Gr. 
6ipfia(r-), skin, 4- -i 2 , -ine 2 .] A dark olive- 
green variety of hydrophyte, of a resinous lus- 
ter, found in Saxony : so called because it fre- 
quently occurs as a skin or crust upon serpen- 
tine. It also occurs in reniform masses. 
dermatine 1 (der'ma-tin), a. [< Gr. teppdriva;, < 
icpfia(T-), skin.] Same as dermatic. 
dermatine 2 , . See dermatin. 
dermatitis (dOr-ma-ti'tis), n. [NL.. < Gr. (!//>- 
/ia(r-), skin, -I- -itis.] Inpathol., inflammation 
of the skin. Also called cytitis. 
Dermatobranchia,Dermatobranchiata(der*- 
ma-to-brang'ki-a, -brang-ki-a'ta), ti.jjl. [NL., 
< Gr.' 6cp : ua(T-), skin, + (Ipa)'xta, gills.] Same 
as Dermobranchid. 
dermatogen (der-mat'o-jen), n. [<Gr. iep/ia(T-), 
skin, +--}ei>i/f, producing: see -#<?.] Inftoi., the 
primitive or nascent epidermis ; the primordial 
cellular layer from which the epidermis is de- 
veloped. 
dermatography (der-ma-tog'ra-fi), . [< Gr. 
6ippa(T-), skin, + -ypof/o, < ypaifciv, write.] The 
anatomical description of the skin. Also der- 
niii/ini/ilii/. 
dermatoid (der'ma-toid), a. [< Gr. 'oepftaro- 
eii'Kt contr. iep/iarudrif, like skin, < iepfiatr-), 
skin, + elfSof, form.] Resembling skin ; skin- 
like. 
dermatological (d6r'ma-to-loj'i-kal), n. Hav- 
ing to do with dermatology ; pertaining or de- 
voted to dermatology. 
The case is one to which no precedent has been found 
after a careful search of ilermatol<xjical literature. 
Alien, and Xeuroi., VIII. 484. 
dermatologist (der-ma-tol'o-jist), n. [< der- 
matology HP -ist. ] One who is versed in der- 
matology. 
dermatology (der-ma-tol'o-ji), n. [< Gr. fcp- 
/i(r-),skin. -I- -)j>)ia, </U>t(>', speak: see-otojjry.] 
Tho science of the skin ; knowledge concerning 
the skin and its diseases. Also ilcrmology. 
dermatolysis (der-ma-tol'i-sis), . [< Gr. 6ip- 
lta(r-), skin, + Moif, solution, dissolution, < 
J.i-civ. loose.] Inpathol. : (a) A relaxed and 
pendulous condition of the skin, (b) Pachy- 
dermia. 
dermatomycosis (der'ma-to-mi-ko'sis), n. [< 
Gr. Sepua(r-), skin, H- ftinu/f, fungus, + -osis: see 
mi/cnsis.] In path<il., any disease of the skin 
rjiiisi-d by a vegetable parasite. 
dermatonosis (der-ma-ton'o-sis), n. [NL., < 
Gr. i!fp/wz(r-), skin, + i'6aof, disease.] Inpathol., 
any disease of the skin. 
Defmatophili (der-ma-tof'i-li), n.pl. [NL., < 
Gr. ep/ia(T-), skin, + <fii).oc, loving.] A group 
of minute parasitic arachnids or follicle mites, 
corresponding to the family Demodicida.: 
Dermatophysa (d^r'ma-to^fi'sa), n.pl. [NL., 
< Gr. tif'puafr-), skin, + $i<oa, a bellows.] In 
Owen's system of classification, an order of 
Araehnida, including the Arctisca or water- 
98 
Gr. 6ep[ia(T-), skin, + aKZypuotf, a hardening: see 
sclerosis.] Same as sclerodermia. 
dermatosis (der-ma-to'sis), n. [NL., < Gr. 6ip- 
//o(r-), skin, + -oi.] 1. The state or condi- 
tion of having a bony integument, or osseous 
exoskeleton, as exemplified by a sturgeon, tur- 
tle, or armadillo. 2. la patliol., any disease of 
the skin. 
dermatoskeletal (der'ma-t6-skel'e-tal). . [< 
dermatoskeleton + -al.~] Same as dermoskete- 
tal 
dermatoskeleton (der'ma-to-skel'e-ton), . 
[NL. (Carus, 1828), < Gr. ama^r-). skin.'H- OKC- 
/,er6v, skeleton.] Same as dermoskeleton. 
dermatoxerasia (der-ma-tok-so-ra'si-il), . 
[NL., < Gr. 6ep/ia(r-), skin, + Eiffiaaia, dryness, 
, dry.] In patliol., 
fypaivtiv, dry, parch, 
same as xerodermia. 
Dermestes (der-mes'tez), n. [NL., < Gr. 6ip/ia, 
skin, + (irreg.) iaOietv, eat.] A genus of cole- 
opterous insects, the type of the family Dermes- 
tidce. The larvic devour dead bodies, skins, leather, and 
other animal substances. One species, /'. lartMriux, is 
known by the name of bacon-l>eette ; another, D.orAn- 
threnm inusftornin, Is peculiarly destructive in museums 
of natural history. See cut under bacon-btetlt. 
dermestid (der-mes'tid), a. and n. I. a. Of or 
pertaining to the Dermcstida;. 
II. n. A member of the Dermestidw. 
Dermestidte(der-mes'ti-de), n.pl. [NL. (Leach, 
1817), < Dermestes + -t'rfw.] A family of clavi- 
COrn Coleoptera. The dorsal segments of the abdomen 
are partly membranous ; the ventral segments are free ; 
lit. tarsi are 5-joiuted, at least in one pair ; the mentum 
is moderate or small ; the palpi are approximate at the 
base ; the anterior coxte are large, conical, and prominent; 
the posterior coxae are not prominent ; the nntenine are 
moderate in length, and capitate ; the posterior coxae are 
sulcati- for the thighs; and the body Is usually scaly or 
pubescent. 
dermestoid (der-mes'toid), a. [< Dermestes + 
-oid.] Resembling the genus Dermestes; of or 
pertaining to the Dermestidce. 
dermic (der'mik), a. [< derm or derma + -ic.] 
1. In ana*., dermal; enderonic; of or pertain- 
ing to the derm is: as, the dermic layer of the 
skin. 
When the dermic process is papillifonn, and sunk in a 
pit of the dermis, the conical cap of modified epidermis 
which coats it is either a hair or a feather. 
Huxley, Anat. Vert, p. 40. 
2. In med., cutaneous; pertaining to the skin : 
as, a dermic disease Dermic remedies, remedies 
which act through the skin. 
dermis (dor 'mis), n. [NL., < Gr. olp/ia, con- 
formed in term, to epidermis.'] Same as derma. 
Dermobranchia (der-mo-brang'ki-ft), n.pl. 
[NL., < Gr. oejtua, skin, + fipdyxta, gills.] A 
group of marine opisthobranchiate gastropo- 
dous mollusks. They respire hy means of external 
gills in the form of dorsal membranous layers, tufts, or 
filaments, and there is no mantle or shell in the adult 
The common sea-lemon, Doris (which see), is an example. 
It is an extensive and diversiform group, containing all 
the opisthobranchiate gastropods excepting the PUuro 
iiniiifhiala. It is subdivided into the A trranchiata and the 
.\ii<iibranchiata or .\ni<i/,r<in<-li/'ittt, the largest and typi- 
cal group, a synonym of Derinobranchia itself, which is 
also divided into Ceratobranchw, Clatiubranthiti, and Py- 
ffobram'hia. Also Dermatobrancfiia, Dertnatubnitichiata, 
Dfrmobra nchiata. 
dermbhemal, dermaheinal (der-mo-, der-ma- 
he'mal), a. [Improper forms for 'dermemal, 
'dermwmal, or *aermatltti'ial, < Gr. 6ep/ia(r-), 
skin, + afy/a, blood.] Pertaining to the skin 
on the hemal or ventral aspect of the body: 
specifically applied to dermoskeletal elements 
of the median ventral fins of fishes, as the bones 
supporting the rays of these fins : contrasted 
with dermoneural. Also spelled dermohcemal, 
dermahavnal. 
dermohemia, dermohaemia (d^r-mo-he'mi-a), 
n. [NL. dermohaemia, iniprop. for 'dermtemut 
or 'dermathcemia, < Gr. iepfia(r-), skin, + a't/ia, 
blood.] In pathol., hyperemia of the skin. 
dermohumeral (der-mo-hu'me-ral), a. K NL. 
dermohumeralis, < Gr. ocpiia, tne skin, + L. Jtu- 
merus, prop, umerus, hnmerus.] Connecting 
the humerus with the skin ; specifically, per- 
taining to the dermohumeralis. 
dermohumeralis (der"m6-hu-me-ra'lis), n. ; pi. 
derioliuierales(-\6z). [NL. : see dermohumer- 
al.] That part of the panniculus carnosus, or 
fleshy paunicle, by which the humerus is indi- 
rectly attached to the skin: a muscle in many 
animals, not represented in man. 
dermoid (der'moid), o. [< Gr. iep/ia, skin, + 
eliof, form. More accurately dermatoid, q. v.] 
Same as dermal Dermoid cyst, a cystic tumor of 
congenital origin, found in the ovary, the testicle, the re- 
gion of the mouth, neck, and orbit, and rarely elsewhere, 
containing sebaceous matter. Its walls resemble ^true 
skin, and may develop haira and teeth. 
dermology (der-mol'o-ji), n. Same as derma- 
tology. 
dermomuscular (der-m6-mus'ku-iar),. [< Gr. 
i(p/ja, the skin, HP L. muttculus, muscle.] Per- 
taining to skin and muscle ; consisting of der- 
mal and muscular tissue : as, the dermomuscular 
tube of a worm. 
The suckers found in the Trematoda, Cestoda, and HI- 
rudinea are special differentiations of the dfnno-iimnru- 
lar tube. Geyenbaur, Comp. Anat (trans.), p. 143. 
dermoneural (der-mo-nu'ral), a. [< Gr. MPIM, 
the skin, + vcvpov, a nerve.] Pertaining to the 
skin on the neural or dorsal aspect of the body : 
specifically applied to the dermoskeletal ele- 
ments of the median dorsal fins of fishes, as the 
bones supporting the rays of these fins: con- 
trasted with dermohemal. Also dermaneural, 
derma toneural. 
dermoosseous (der-mo-os'e-us), a. [< Gr. afpfia, 
skin, H- L. os (oss-), bone.} Having the char- 
acter of ossified integument or bony tissue de- 
veloped in the skin ; bony, as the dermal skele- 
ton; exoskeletal. 
The gaseous, liquid, and solid molecular conditions, be- 
ing characters distinguishing otherwise allied substances 
in the same way morphologically (we can not say yet de- 
velopmentally), as the cartilaginous, osseous, and exos- 
tosed or dermoottrou* characters distinguish otherwise 
nearly allied genera. 
. D. Cope, Origin of the Fittest, p. 40. 
dermodssiflcation (der-md-os' r i-fi-ka'8hqn), n. 
[< Gr. Aepfta, the skin, + E. ossification.^ Der- 
mal ossification ; formation of bony tissue in 
the integument as a part of the dermoskeleton, 
or a bony exoskeletal element: as, "dermoos- 
sification of the cranium," E. D. Cope, Origin of 
the Fittest, p. 48. 
dermoossify (d<T-m6-os'i-fi), v. i. ; pret. and pp. 
dermoossijied, ppr. dermoossifying. [< Gr. oep/ta, 
