FRO 
in its the average annual amount of which, for fome years 
pait, has not been lefs than 100,000 b diel, each weighing 
nearly one hundred weight: thefe are difpofed of to the 
numerous manufaCturers in the adjoining county. This an- 
ciently formed part of an extenfive tract called the foreft of 
De la Mere, which, in the time of Leland, abounded with 
red and saa deer; but at prefent exhibits merely a bleak 
watte in its gener: al afpect, sere of a-fandy 
amber, or centre of 
by a few aed trees. a 
of oe in two v chars 8vo 
FROELI H, nee in Biography, was born at 
Gratz, in Styria, in 1700. He entered the fociety of the 
Jefuits when he was fixteen years of age, and was fo ane 
gable and fuccefsful in his ftudies, that he was, in a fho 
time, appointed profeffor of mathematics and belles ce: 
at Here he purfued his ae with great iene 
an e of his fituation in that c o purfue the 
dallic fcience, on which he publithed various tracts, 
on ak ane He died in 1758: 
“are 
chiefly 
s principal sere 
atuor  arenred in Re Nummatia,” 4t at 0. 1737, and 
1750 « Annales rerum et regum Syriz,’ 17515 “De 
ee Telluris,”’ 4to. 17 
~FROELICHIA, in Botany, in honour of Dr. J. A. Fro 
lich, member of fe botanical fociety of Ratifbon, als 
oa and order, Tetrandria Monogynia. 
. Cal. Per ianth ee of one leaf, permanent, 
with a fight ae ah of one petal, fuperior, about 
h long, t ; lim hae Tinear-lanccolate, wide zh 
fpreading, flightly eat ca thickened and t 
3 acutely ceed oe re from the 
Stam. Filaments four, very fhort, in- 
Serted i into the lower part of the tube ; anthers ereét, linear, 
. Germen inferior, elliptical ; flyle 
es ee 
as long as 
of the an within which is a en convex callofity. Seed 
Solitary, the fhape of the berry, .clothed with a loofe arillus 
of a paper-like texture, without any divifion. 
Eff. Ch. Calyx fuperior, with four teeth. Corolla tu- 
-bular. ra dry, with one feed, invetted with an | arillus. 
lata. ies aan pecan eae dad. A 
e branches. Leaves ia ae olpelae 
ce eolate, pointed, ee {mooth. Panicle terminal, with 
a purplifh branches, divided and fabdivided, farts 
merous flowers. This genus is nearly akin to Coffea, and 
. ieee od Vahl to = apr! diftin® from Aublet’s 
colour wers is not mentioned, 
uy w 
Be in Zoology. See Rana. This creature bears as large 
the experiments of the air-pump better than moft other 
mals. will breathe ae time after the pera se of 
anim 
‘the air, but at length the vifible motion of the throat will 
ceafe, and the body fwell-a little. After three hours lying 
‘an this condition, when no farther fign of lite appears, if the 
urs will beac ie it 
to its former life and vigour. ame animal, put into’a 
receiver exhaufted of the air, but nearly filled with a. 
will live many hours under.the water, and feem: to refpire 
> 
but i in five or fix. hours it: will. die. _ The larger and luftier 
ort Ble nt tube |] 
area. 
Val having fe feen deed fpecimens a but they 2 are proba- 
FRO 
frogs live ag than the young ones in the receiver. Phil. 
Tranf. N’ 6 
The fro eateats the curious in microfcopic obfervations a 
very peatrital view of the circulation of the blood; but the 
method of examining it it to adv antage was — hit upon till 
uart for that 
lowmg manner : 
are the fame in this as in the common 
ufed the ape aet of the com flectin 
horizontally on a pedettal, waft at an egal height - with the 
tube. This flands on a little fhelf made to fupp ort it; and 
. its fnout, which lies on a level with the tube, the magni- 
fiers are ferewed: the objeCt, being extended and Piened 
with ftrings and pins on a frame contrived for that purpofe, 
is ap plied” between the tube and the magnifier, whereby the 
- fun’s rays, reflected from the vinnie aaa through the 
tube, upon the obje@, pafs on through the magnifier, an 
exhibit upon the fcreen an image of “the object moft prodi- 
gioully een 
arteries of the fin, with the blood circulating through them. 
In the arteries thus viewed, the blood is feen to ftop, and 
recede a little at every pulfation by the dilatation, and ruth 
forcibly on again by the contraction of the heart ; while in 
the veins it ever kept the fame equable and uniform current, 
with a devel age rapidity and when the {creen was removed 
farth nd the obje&t by that means more enlarged, 
the. as expanfion and contraction of the fides of the 
arteries were. very vifible. After this, the abdomen of the 
frog being opened, and the mufcles Sa it being extended 
before the microfcope in the - in was, 
ame man 
eric. the ftruéture - mufeles is best feen, being all 
made up o les of tranfpar 
ying oa to one another, aa joi 
mbra 
me 
rings © res, a 
ined by a common 
Thefe te or fibres appeared alfo through their whole 
ngth m of roundifh veficles,. and refembled rufhes 
died longitudinally ; ; but there is no certainty of any cir- 
culation being feen in thefe. 
When this has been fufficiently examined, a part of the 
lobules - the blood rolling through oe pa nearly 
epper-corns; while in many of the minutelt 
veflels oily fingle globules were able to “Fad their paflage, 
and that too by changing their fhape into an oblong {phe- 
rol he pulfation and acceleration of the blood in’ the 
arteries are fh fe) very eee pe feen. As the agi 
nder’ examination grows lan near expiring, 
blood i in ro aa will often lop ona ar aait and sem 
n back for 
a e confideration: of 
thefe particulars may poflibly account i the intermiflions, 
ts, 
