( 5010 ) 
into the Emlgm through the kkLm- 
bary vein ( which we have ever obfervcd to 
come from the Emnlgent^) and at the fame 
time we fawit g^me away through the o- 
ther Ltmbary, 
■ This Experiment having been feveral 
tiracs repeated without our being able to 
fee the track, wiueh we had pbferved un- 
der the P/^«r^, Aenthe firft Difcorery 
of this Conrimunication was made s which 
track feemed to fliew the way, which the 
Thoracick branch keeps to entertain a 
communication with the inferior vend ca,va\ 
We refolved to attempt a more cafip and a 
raoi-c certain method of difcovering this 
branch, than the ufuai diffeftion of the 
vedels, performed by fevering their pro- 
per tunicles from a multitude of mem- 
branes and fatnefl'es, which lying and em^ 
baraffing them,render this work very dif- 
ficult; cfpecially when the vcfieis are not 
filled with blood to make them vifible, and 
becaufe they are compofed of more deli- 
cate tunicles, than thofe of the Veins, 
(H.) This way was,to fyringe into the 
Trtinck of the df4U:Hs thoracicus ' a Compo/i- 
tlon, that might run into it being hot,and 
which by being refrigerated might become 
folid enough to afford a greater facility to 
followand trace the channels, in the ca. 
vity of which it iliould be thus hardened/ 
And this defign fuccceded in part. For, 
the, Gompofition filled the whole 
th-QrMlcHs^ andafcended as far as into the 
fpib-cUvial but there pafled nothing into 
the channel that makes the communicati- 
on fought for, though care was had to 
warm the ambient parts by feveral injefti^ 
ons of warm milk, to the end that the 
Compofition might not harden before it 
had penetrated into all the conduits. We 
alfo tryed to iojeft the fame Compofition 
through the Ltmh ^^ry lhd.t\&\xi%o\xi of the 
Trunck, if its valvis would f)errait it-, 
huttbey flopped all that we endeavoured 
I uncertAin : But If there he 
any fuch made , the Liver 
and Kidneys do fo readily ex^ 
oner ate themfelves into the 
vena cava, that the im^ref 
flons^ be they vphat they T^fll^ 
are ^fiickly conveyed to the 
Heart without any great di- 
minution of them. Ani 
whereas the Author mentions 
the chara^ers imprejfedfrem 
farts ^ thofe, (if any fuch 
he) may more jufiiy be fuf^ 
fofed to be conveyed in the 
lympha , which liijuor feems 
to be A produfi of thofe parts 
cHrioufly elaborated in the 
very fub fiance of them, 
. (E.) PVhat fufficient 
and mt fuff cient, mufi he 
judged of by Nature, and mt 
hy Vs. Tet, if we conftder 
the time that is fpent in car^ 
rying the Chyle up into the 
Blood, it is eafte to believe^ 
that a much greater quantity 
of liquor may be difchar^ii 
by that dud us, than is ufr* 
ally pretended to, 
(V.) Prhat thofe Exfe- 
riments are , we Jhouli l>e 
glad to knew. But the EX' 
periment of i66j (if l ri^ht' 
Ij remember it) was only <i 
lufus naturse, foundby M 
Pecquet. FFhtch I there- 
fore call fo, becaufe neither 
he^nor any one elfe hathfofini 
it flnce : whereas the vafa 
\ adea, and the waies of or- 
dering them, are fo 
known , that , if any fuch thlnl 
werejt could not long be hid> 
(G.) An Injeltion into 
the Lumbary vein with its 
