Page:Cyclopaedia, Chambers - Supplement, Volume 2.djvu/842

 D O U

D U M

the refolutioH of fimple equations. See Mr. Stirling's Me- thodus Diffcrentialis, p. 97. This ingenious author has treat- ed fully of the differential method, and fhewn its ufe in the folution of fome very difficult problems. Differential fcale, in algebra, is ufed for the fcale of rela- tion fub traded from unity. See the article Recurring Series, Append. DIGESTION, how promoted by fermentation. See the article

Fekrmentation, Append. DIMNESS of fight, in horfes. Seethe article Sight, Append. DISAFFORESTED, the fame with deafforefted. Seethe ar- ticle Deafforested, Cycl. DISBUDDING of trees, is the taking away fuch branches or fprigs, newly put forth, as are ill placed. Did. Ruft. invoc. DISBURDENING of fruit-trees, is the taking off part of the leaves and fruit, when too numerous, that thofe which re- main may grow the larger. Did. Ruft. in voc. DISCLOSED, a term ufed for chickens or hawks newly hatched, or juft peeping through the fhells j alfo for buds or flowers juft blown. Did. Ruft. in voc. DISEASES offoldiers. See the article Soldiers, Append. DISEMBARK, in the fea-language, fignifies to land goods

■from on fhip-board. Did. Ruft. in voc. DIS PLANTING, among gardeners, is the plucking up a tree

or plant out of the ground. Did. Ruft. in voc. Displanting fcoop, an inftrument for taking up plants with

earth about their roots. Id. ibid. DISSEPIMENTUM, among botanifts, the thin feptum fe-

pai-atinE? the cells of the fruits of plants. DISTATF, an inftrument about which flax is tied, in order to

the (ginning it. Dist Ai- i-- thijlle, a name fometimes given to the atraclylis of au- thors. See the article Atractylis, Append. DITTANDER, in botany,|theKnglifhname of a genus of plants, called by authors lepidium. See the article Lepidium, Suppl. DITTANY (Suppl.) — Baftard-DiTTANY, the Englifh name of a genus of plants called by authors Pfcudo-diElamnus, See the article PsuuDO-difiamnus, Suppl. DOCK (Suppl.) in botany, the Englifh name of a genus of plants called by authors lapathum. See the article Lapa- thum, Suppl. Dock, among fportfmen, denotes the flefhy part of a boar's

chine, between the middle and the buttock. DOCTOR Timor's weed, in botany, a name given to a genus of plants called by authors triojhojpermum and loniccra. See the article Lonicera, Append. DOE, the female of the buck-kind. See thfe article Buck,

Cycl. and Suppl. DOG, (Suppl.) the Englifh name of a very numerous genus

of animals. See the articles Dog and Canis, Suppl. Dog's banc, in botany, the Englifh name of a genus of plants called by authors apocynum. See the article DogV bane, Suppl. DoG-berry-i?-ee, a name given to the cornus, or cornel-tree.

Seethe article Cornus, Suppl. DoG-days, the fame with canicular days. See the article Ca- nicular, Cycl. Dog's grafs, in botany. See the article Grass, Append. Dog's mercury, in botany, a name given to a fpecies of menu-

rialis. See the article Mercurialis, Suppl. Dog's flcnes, in botany, a name by which fome call the orchis.

See the article Orchis, Suppl. Dog's tongue, in botany, the Englifh name of a genus of plants called by authors cynogloffum. See the article Cynoglos- sum, Suppl. Dog's tooth-Jkell, the Englifh name of a fpecies of dentalium.

See the article Dentalium, fupra. DoG-wood, a name fometimes given to the cornus, or cornel- tree. See the article Cornus, Suppl. DoG-vjood of 'Jamaica, the name by which fome authors call

robinia, a genus of plants. See the article Robinia, Suppl. Doc-wood of Virginia, a name fometimes given to a fpecies of

laurus, or bay-tree. Seethe article Laurus, Suppl. DOGGS, machines of iron for burning wood on; alfo hooks fixed in large timbers, for drawing them with horfes. Blanch- ley, Nav. Expofitor, p. 51. DOOLS, a term ufed in feveral parts of the kingdom for balks, or flips of pafture, left between the furrows of ploughed lands. Did. Ruft. in voc. DORIA, in botany, the name ufed by Dillenius for the folida- go, or Virgo aurea of other botanifts. See the article Virga aurea, Suppl. DORMOUSE, the Englifh name of a genus of animals called

by authors forex. See the article Sorex, Suppl. DOTTEREL f£«/^/J — For Mainellus, referred to in this

article, read Morinellus.

DOUBLE (Cyd. and Suppl.) — A hare is fa'id to double when

flie keeps in plain fields, and winds about to deceive the

hounds. Diet. Ruft. in voc.

Double-/^, or Twyblade, in botany, names given by

fome to the ophr'n of authors. See the article Ophris, Suppl.

Double-/.;?^, a name fometimes given to the rufcus, or

butcher's, broom. See the article Ruscus, Suppl. DOUCETS, or Doulcets, among fportfaien, denote the idles of a deer or flag. Did. Ruft. in voc.

DOVE's_/W, inbotany, a namefometimes ufed for the geranium, or crane's bill of authors. See the article Geranium, Suppl: DOWN, in natural hiftory, denotes the fineft feathers of geete, with which beds, pillows, C3Y. are fluffed : alfo the cottony fubftance growing on the tops of thirties, and other plants. DOWNY, fomething partaking of the nature, or abounding with down : thus, fome leaves, fruit, tsfc. are found cover- ed with a downy matter. DRABA, in the Linnasan fyftem of botany, makes a diftind genus of plants, which have no ftyle, and whole fruit is an oval pod of an oblong figure. C. Bauhine calls it the lurfa pafloris minor. Draba is alfo a name by which Ibme fpecies of two very di- ftind genufes of plants, not only from the former, but from each other, are fometimes called ; thofe are the lepldiian and hefperis of botanical writers. See the articles Lepidium and Hesperis, Suppl. DRAFF, a term ufed in many parts of the kingdom for the wafh given to hogs : alfo for the grains of brewers ufually given to cows. DRAGG (Suppl.) — Draggs are alfo a kind of bafket ufed in clearing the aprons of fhip-docks of tilth. Blanckley, Nav. Expof. p. 51. DRAGON (Suppl.) — ^-Dragon, in ichthyology, the Eng- lifh name of the coitus, with the fecond back-fin white. See the article Cottus, Suppl. Dragon-/w, a name fometimes ufed for the palm-tree. See

the article Palm, Suppl. Wild Dracon, a name fometimes given to abroianum, or

fouthernwood. See the article Southernwood, Suppl. DRAW-net, a kind of net for taking the larger fort of wild fowl, which ought to be made of the beft packthread, with wide mefhes : they fhould be about two fathoms deep and fix long, verged on each fide with a very ftrong cord, and ftretch- ed at each end on long poles.

It fhould be fpread fmooth and flat upon the ground, and flrewed over with fedge, grafs, or the like, to hide It from the fowl ; and the fportfman is to place himfelf in fome fhel- ter of grafs, fern, or fome fuch thing. Did. Ruft. in voc. Draw-^c, in bufbandry, any kind of harnefs for drawino- a

waggon or other carriage. DRAWING of teeth, or Tco//j-Drawing, in furgery. See

the article Toot H-drawt'ng, Suppl. DRAY, a name given by fportfmen to fquirrel-nefis, built in

the tops of trees. See the article Squirrel, Suppl. Dray is alfo a kind of carfufed by brewers for carrying barrels of beer ; alfo a fledge drawn without wheels. Did. Ruft. in voc. DREDGE, or Dreg, a term ufed by the farmers for oats and

barley mingled together. Did. Ruft. in voc. DREDGERS, a term ufed in the admiralty-courts for the fifhers

for oyfters. Did. Ruft. in voc. DRIFFLAND, the fame with droffland. See the next article. DROFFLAND, or Driffland, in our old cuftoms 3 a year- ly payment made by fome tenants to their landlords, for driving their cattle through the manor to fairs and markets. Did. Ruft. in voc. DROP-wort, the Englifh name of a genus of plants called by

authors filipendula. See the article Filipendula, Suppl. Water --Drop '-wort, the Englifh name of a genus of plants call- ed cenanthc by authors. See the article GL'nanthe, Suppl. DRORSY( Suppl.) — Dropfies, attended with anafarcous fwellings, are not to be cured with purging alone, nor by foap, nor mer- curials ; but chiefly by the lixivial falts, either in the form of broom-afhes, fait of wormwood, or fait of tartar. The com- mon method is this; about thirty or forty grains of fait of tartar is diflblved in an infufion of wormwood, to which is added fpirit of juniper; and this mixture is to be given in three dofes, and repeated daily. Befides this it may be pro- per to give the patient, once in four or five days, half a dram of pilules ex coloquintida cum aloe, as a purge ; and toward the decline of the difeafc, fome common chalybeate. The diu- refis may alfo be promoted by fwallowing garlick, or muftard- feed. See Pringle, Obferv. on Difeafes of the Army, p. 213. DROSERA, in the Linnxan fyftem of botany, the name of a genus of plants called by Tournefort ros foils. See the ar- ticle Ros foils, Suppl. DRUM (Cycl.) —Mire-DRVM, the name by which the bittern is called in feveral parts of the kingdom. See the article Bit- tern. Suppl. DUBBING of a cock, a term ufed by cock-mafters for the cut-

ir,g off a cock's comb and wattles. Did. Ruft. DUCK's foot, inbotany, the Englifh name of a genus of plants known among authors by thofe of podophyllum or anapodophyl- lum. See the article Anapodophyllum, Suppl. D\JQYL~weed, or Duck's ?neat, the Englifh name of a genus of plants called by authors lemna. See the article Lemna, Append. DUMBNESS (Cycl.) — When this diforder arifes from deafnefs, it fometimes admits of a cure. See the Phil. Tranf. N°. 61. where Dr. Wallis gives an account of two perfons deaf and dumb, who were taught to underftand and fpeak a language. And in N'\ 245. the dodor gives an account of bis method for this purpofc. This art is now pradifed fuccefsfully in London by the ingenious Mr. Baker.

2 DWALF,