T H I
T I P
, ) Greater}, heat of the air in the (hade ; obferved ^at ' 2 9 T 5 Paris in 1706, 1707, 1724.
, ) Conftant heat of the caves of the obfervatory at ,0 i\ Paris.
o Artificial congelation of water. 14-J- Lower than (o) greateir. cold at Paris, in 1709.
3. Obfervaiitms by Sir Ifaac Newton's thermometer.
34
28A
24-
20 T \
•7 «4tV
1464
IOO
59 56 53 51
48
45 43
40
38 36
Water boils vehemently.
Heat between water boiling and wax melting.
Heat of water on which floating wax melts. ~j Heat of water on which floating melted wax v begins, by cooling, to lofe its fluidity and tran- ) fparency.
.Heat of a bath fupportable to the hand at reft, i Heat of a bath fupportable to the hand in motion. J The heat of blood jufl; let out, is almoft the fame. T Heat of thermometer, in contact with a human J. body. The heat of a bird hatching her eggs ) much the fame.
C Heats of the air in the fummer.
VHeats of the air in fpring and autumn.
> Heat of the air in the winter. Water begins to freeze.
4, Obfervatlans by Dr. Hales's thermometer.
Anfwers to the heat ef boiling water. 3 Heat of water on which floating wax begins to 5 melt.
Leaft proper heat for the melon -thiftle.
■ ■ ■- — — ■ ■■ — ananas, or pine-apple.
■ pimiento.
- euphorbium.
■ cereus.
■ aloes.
• Indian fig.
■ ficoides. i orange.
■ mirtle.
o Frefh water . juft freezing.
THICKET, a thick bum, or place full of bufhes and bram- bles. Ruft. Diet, in voc.
THILL, the beam, or draught-tree of a cart or waggon, upon which the yoke hangs. Ruft. Diet, in voc.
THILLER, or THiLL-hsrfe, the horfe that is put under, or immediately yoked to the thill. Ruft. Diet, in voc.
THIMBLE, a cover for the finger, made of brafs, fteel or
. ftlver, and ufed by all people who fow, as taylors, milli- ners, £3V.
Thimble, in the fea language, a fort of ring, the outfide of which is confiderably hollowed to receive ropes. Thimbles are fixed as loops, to prevent the tackle-hook from galling the rope. Blanckley, Naval Expof. p. 169.
THIRDENDALE, a liquid meaiure in ufe at Salisbury, con- taining three pints. Ruft. Diet, in voc.
THIRST (Suppl.) — We find warm druggs, as liquorice, fome- times effectual in allaying thirji : nay pepper will, in fome
.. cafes, have a like effect, by caufing a more plentiful flow of the faliva.
In feverifli diforders, the patient is frequently tormented with a violent ibirfi, which is moderated by acidulating the barley-water, or fage-tea, with fpirit of vitriol, or with lemon-juice ; but by nothing fo much, as allowing the pa- tient fome flices of an orange. Pringle, Obferv. on Difeaf. of Army, p. 135.
THISTLE (Suppl.)— Blejfed Thistle, a name by which fome call the emeus, or faffron-flower. See the article Cni- cus, Suppl.
Carline-T histle, carlina, in botany, the name of a genus of plants. See the article Carlina, Suppl.
Dijlajf-T histle, in botany, the name of a genus of plants, called by botanifts atrafiylis. See Atracty Lis, Append.
Fijh-T histle, a name fometimes ufed for the dnara, or ar- tichoak. See the article Cinara, Suppl.
Fuller's Thistle, the name by which fome call the dipfacus, orteafel. See the article Dipsacus, Suppl.
Me lon-T histle, or 7Vc£-Thistle, the Englifh name of a genus of plants, called by botanifts caftus. See the article Cactus, Suppl. and Append.
Melancholy-^ histle, the fame with the gentle thijlk, or cirft- um. See the article gentle-'Y histle, Suppl.
Soiu-Thistle, the Englifh name cf a genus of plants, called fonchus by botanifts. See the article Sonchus, Suppl.
Star-T histle, the name by which fome call the calcitrapa,
i a fpecies of eentauria. See the article Centauria, ap- pendix.
THORN, a name denoting, or characterizing feveral diffe*
rent genera of prickly plants. Thus : TnoRN-apple is the Englifh name of the Jlramonlum of bota- nifts. See the article Stramonium, Suppl. Black-TnoRN, the name by which fome call the primus fyl-
vejlris, or wild plum, more ufually called Jloe. See the
article Prunus, Suppl Box-'Vhorn, or Avignon-T Horn, names given to the lyciu?n
of botanical writers. See the article Lycium, Append. BucA-Thorn, the name of a genus of plants. See the article
Rhamnus. Chrijl's Thorn, the Englifh name of a genus of plants, called
paliurus by botanical writers. See Paliurus, Suppl. Egyptian-T horn, a name fometimes given to acacia. See
the article Acacia, Suppl. Goat's Thorn, the Englifh name of a genus of plants, called
by botanifts tragacanth. See the article Tragacanth,
Suppl. Haw-T horn, IVlnte-T horn, Ever-green-T horn, &c. names
given to the mefpilus. Seethe article Mespilus, Suppl. Purging-T horn, a name fometimes given to the rhamnus,,
See the article Rhamnus, Suppl: THORNBACK, the Englifh name of a fpecies of ray-fim,
prickly on the back, and with tuberculofe teeth, and a tranf-
verfe cartilage in the belly. See the article Raia, Suppl. THOROUGH-awr, in botany, a name by which fome writ- ers call the bupleurum, or hare's ears. See the article Hare's
ears, Suppl. THKEE-kaved grafs. See the articles Trefoil and Tri-
FOLIUM, Suppl.
THRICHECUS, in zoology, the name ufed by Dr. Hill for the manati, or fea-ccw. See the article Manati, Suppl.
THROAT-ttwfj a name given to feveral fpecies of campa- nula. See the article Campanula, Suppl.
THROPPLE, among country people, denotes the windpipe of a horfe. Ruft. Diet, in voc.
TPIROSTLING, a difeafe of black cattle, proceeding from humours gathering under their throats; by which means , their throats are fo dangeroufly f welled, that they will be choaked unlefs feafonably relieved by bleeding. Ruft. Diet, in voc.
THRUSH, in ornithology* the Englifh name of a large genus of birds, called by authors turdus. Seethe article TuRUUSj Suppl.
THYME (Suppl.)— Wild Thyme, Zw»m-Thyme, or Mtt- tber-of-T hy me, names ufed for a diftinct genus of plants, called by botanical writers ferpyllum. Seethe article Ser- pyllum, Suppl.
MaJlUh-'tnYME, a name ufed for the marum, majlichina, ot thymbra. See the article Thymbra, Suppl.
THUYA (Suppl.)— The leaves of this tree fmell like oint- ment, and in fact prove an excellent one for frefli wounds^ clofing them fpeedily. Ruft. Diet, in voc. lignwh,
TICK, in the hiftory of infects, the name of the fncep-loule, called by authors acarus. See the article Acarus, Suppl.
TIER, in the fea language, the name of the feveral ranks of guns ; which, according as they are placed on the lower, middle, or upper decks, are called the lower, middle, or upper tier. Blanckley, Nav, Expof. p. 169.
TIERCEL, in falconry, a name given to a male hawk, as being a third part lefs in fize than the female. Ruft. Diet, in voc,
TIGER (Suppl.)— Thefkull of this creature, both as to the teeth and other particulars, very much rel'ernble3 that of the cat, except that, in the room of the tranfverfe futures of the cat's, there is in the tigers one in the figure of a great Y,, fo clofe and firm, that the bones feem contiguous. Its tufks are a little crooked, like thofe of the dog and cat ; their exerted part very white, and the bow of fome of them very longj not lefs than five inches. Its claws are whltifh, and femitranfparent, very flat, {harp and pointed, and ex- tremely hooked ; every way in colour and fhape like the' claw of a cat. Ufually, on the fore paws of the larger tigers, thefe are at the bafis an inch broad, and are two inches and a half long. The bone on which the claw is fet receives it into a little groove, and is by a double epiphyfis itfelf in- ferted into the claw ; by which means the claw is firmly held in its place, Greta's Muf. p. 13.
TiGER-Jhell, the Englifh name of the red voluta, with large white fpots. See the article Voluta, Suppl.
TIKE (Suppl.)— Tike is alfo ufed for a fmall bullock or heifer, and for a fort of worm. Ruft, Diet, in voc.
TILLER, (Cycl.) a term ufed by farmers to fignify, that the produce of the grain branches out into feveral ftalks. In which fenfe, it denotes the fame thing with the Latin word fruticare. Vid. Tull'% Horfe-hoeing Hufbandry, p. 105.
TILTH, a country term for tillage, manuring, or improving of ground. Ruft. Diet, in voc.
TIMBER ( Suppl.)~~Pric k-TiMBER, a name by which fome call the euonymus, or fpindle-tree. See the article Euony- mus, Suppl.
TIN, how expanded by heat. See the aftideHEAT, Append.
T1PULA (Suppl.)— JVafp-Tivxi la, in natural hiftory, the name of an infect, the defcriptton of which fee under the article WASF~tlpula, Suppl.
TIRING,
