DADI GOGO 353 



DARWINISM 



Dadi Gogo (da' -de go* -go) [African]. See Gogo. 

 Daemonomania [de-mo-no-ma' -ne-ah). See Demono- 



Daffy's Elixir. A compound aromatic tincture of 



senna. Lnof. 

 Dahlia (dahl'-yah). See Pigments, Conspectus of. 

 Dajaksch (di'-aksh) [Java]. The arrow-poison used 



in Borneo. It is believed to be distinct from the Java 



arrow- poison. 



.SLkryon (dak'-re-on). See Craniometric Points. 

 Jakryops *. dak' -re-ops). Same as Dacryops. 

 lalby's Carminative. An old empiric carminative 



and mildly opiate mixture, answering nearly to the 



mistura carminaiiva of the National Formulary. It 



contains about two and a half minims of tincture of 



opium to the fluidounce. 



algarno Alphabet. Glove-alphabet ; a method of 



manual communication among deaf-mutes, in which 



the letters are indicated by touching various parts of 



the hand. 



alias's Operation. See Operations, Table of. 



ilmatian Insect Powder. See Buhach. 



ikon's Theory. The atomic theory of compounds. 



Uton-Henry Law. See Law. 



iltonism [dal' -ton-izm) [Da/ton, a physician]. 



Jolor-blindness. See Blindness. 



im. See Rubber Dam and Coffer Dam. 



imalic Acid (dam-al'-ik ). See Acid. 



maluric Acid (dam-al-u'-rik). See Acid. 



miana (dam-e-an'-ah). The leaves of Turnera 



•phrodisiaca, found in Mexico and Lower California; 

 stimulant tonic and said to be a powerful aphrodi- 

 siac. It is the basis of a great number of quack reme- 

 D., Ext. Dose gr. ij-x. D., Fid. Ext. 



Dose m_x-3J. Dose of the leaves 3J daily. All 



-immar (dam'-ar) [Hind. , ddmar, resin]. A gum or 

 . resembling copal, produced by various species 

 f Dammara and by various other trees. D., True, 

 s obtained from the Dammara orientalis, a coniferous 

 . indigenous in the East Indies, and also from 

 :mara australis, in New Zealand. The latter 

 ety i~ also known as Kauri, ox cowdie resin. The 

 >rmer is the variety commonly called dammar in 

 ^mmerce. It occurs in masses, coated on the exte- 

 or with white powder from mutual attrition, while 

 ie interior is pale-amber colored and transparent. It 

 harder than rosin, and splits and cracks at the tem- 

 ?rature of the hand. It is used in the manufacture 

 varnishes. See Cowdie Gum. 

 Lnp. See Choke-damp ; Black-damp ; Fire-damp. 

 Enping Apparatus. The union of the tympanic 

 cmbrane of the ear with the auditory ossicles acting 

 a damper to prevent excessive sympathetic vibra- 

 •>n for its own fundamental note. 

 Rice (dans) [Fr., danser, to dance]. Any measured 

 ;ad or system of steps accompanied by music. Also, 

 y motion of the body caused by an abnormal 

 rvous stimulus. D., St. Vitus's. See Chorea. D. 

 ague. Synonym of Chorea. 

 D eel's Method.' See Treatment, Methods of. 

 Acer's Cramp. SeeCramp. D. Palsy. See Palsy. 

 3 cing Mania. See Choromania. 



delion ian'-de-li-on). See Taraxacum. 

 J draff (dan'-druf). See Seborrhea, Pityriasis, and 



1 opecia furfuracea. 

 • dy (dan' -de) [Hind., dandi, a boatman]. I. In 

 iia, a kind of stretcher or hammock of canvas with 

 amboo frame. It is serviceable in the transportation 

 ' the sick and wounded. 2. See Colic, Endemic. 

 I Fever. See Dengue. 

 •->■ forth's Oil. See Naphtha. 

 i 2 3 



Daniell (dan'-yel) [Daniell, an electrician]. A unit of 

 electric measurements equal to 1. 124 volts. D. 

 Cell. See Cell. 



Daniella (dan-e-el'-ah) [Dr. Daniell, a traveler]. A 

 genus of leguminous trees of W. Africa. D. thuri- 

 fera, the only species of this genus affording olibanum, 

 or true frankincense. 



Dantec, Bacillus of. See Bacteria, Table of 



Danube Fever (dan'-ub fe / -ver). A febrile affection 

 of remittent or relapsing type observed in sailors and 

 others that have sailed on and have drunk the water 

 of the Danube River, characterized by symptoms of 

 gastrointestinal derangement, albuminuria, hematuria, 

 edema, uremic symptoms, profuse perspiration, en- 

 larged spleen, and nervous symptoms. Its precise 

 nature is unknown ; possibly it is the same as Malta 

 fever, Rock fever, Cretan fever, Mediterranean fever. 



Daphne (daf'-ne) [daQvy, the laurel]. A genus of thy- 

 melaceous shrubs, mostly poisonous or acrid. See 

 Mezereon. 



Daphnetin (daf ' -net-in) [Saovr/, the laurel], CjH^-f- 

 H 2 0. A substance obtained by the decomposition of 

 the glucosid daphnin. It crystallizes in yellow needles 

 or prisms, melting at 255 C. 



Daphnin (daf'-nin) [daovi], the laurel], C I5 H )6 9 -f- 

 2H 2 0. I. A glucosid isomeric with esculin ; it is ob- 

 tained from the bark of Daphne alpina, and forms 

 prismatic transparent crystals having a bitter taste 

 and melting at 200 C. 2. See also Pigments, Con- 

 spectus of. 



Darier's Disease. Psorospermose folliculaire vegetante ; 

 Keratosis follicularis ; Ichthyosis sebacea cornea ; a 

 disease of the skin commencing on the face or trunk, 

 but ultimately spreading to other parts of the body, 

 and characterized by the development of papules of 

 small size and dirty-red color, with firmly-adherent 

 grayish-brown, black, or gray horny crusts. These 

 crusts can be squeezed out of the papules by the 

 thumb-nails. In some places the lesions may become 

 confluent. The disease progresses slowly, and the 

 papules may assume considerable size. Ulceration of 

 their surfaces may occur, or the tumors may suppurate 

 en masse. The disease occurs usually in males. Its 

 etiology is obscure. See Diseases, Table of. 



Darnel (dar'-nel). See Lolium. 



D'Arsonval's Oven. See Oven. 



Dartoic, or Dartoid (dar-to'-ik, or dar'-toid) [daproc, 

 flayed]. Pertaining to or resembling the dartos. D. 

 Myoma. See Myoma. 



Darton's Test. See Tests, Table of 



Dartos (dar'-tos) [6apr6c, flayed]. The contractile 

 fibrous layer beneath the skin of the scrotum. 



Dartre (dar'-tr) [Fr.]. Any herpetic or other chronic 

 skin-disease ; a term vaguely used in French and the 

 older English medical literature. 



Dartrous (dar'-trus) [Fr. , dartre\ Of the nature of 

 tetter or herpes ; herpetic. 



Dartsac (dart'-sak). A muscular sac containing a cal- 

 careous or chitinous dart or rod, opening into the clo- 

 aca of certain gasteropods. (Helix.) 



Darwin's Ducts. See Ducts. D. Ear. See Ear, 

 Deformities of, Darwinian Tubercle,- and Diseases, 

 Table of. D. Theory of Heredity. See Heredity. 



Darwinian Tubercle. A nodule or eminence some- 

 times seen on the edge of the helix of the ear ; it is 

 believed to be a relic corresponding to the point of 

 an ape's ear. 



Darwinism (dar* -win-izm). [Named after Charles 

 Darwin, a celebrated naturalist]. The theory of de- 

 scent by evolution, as modified by the doctrine of the 

 survival of the fittest. See Xeo-Darwinism and 

 Evolution. 



