
Let. VIL of Tafis. : 283 
Principinm will be loft. And for the precife meafuring of all the Four 
Termes, it fhould be done by a Minute-Watch or a Minute-Giafs. For 
fo it will appear, that the Variations of each, are divers and re- 
marquable. 
3. §. To inftance firft in thofe of the Prixcipium. Which I call; 
That {pace of time, betwixt the firlt Cowtaé# of the Body to be tafted; 
and the firft manifeft Perception of the Ta/fe. For Example, thofe 
Bodies which are Acid, or Bitter, as Vinegar or Worrmood, are pfe- 
fently perceiv'd, guatenus Acid or Bitter, upon the firft Conta#s or 
have Principium breviffimum. Thofe Bodies which are Acria, have 
their Privcipium fomewhat longer. So the Seed-Cafes of Clematis 
peregrina, although they havea vehement Acritude, even inthe Tenth 
Degrees yet is not that Avritude fo foon tated, as the Bitterne/s 
of Rofés., which is but in the fecond. But the Principium of Hot 
Tafls, is generally longer than that of any other. So the Bitterne/3 
of the Root of Black-Helebore, which exceedeth not the fecond De- 
gree, is ‘yet prefently tafted: but the Heat proceeding from the fame 
Root, and which afcendeth to the third Degree, is not perceived at all; 
till after two full Atimutes. And fo the Bitterne/s of Exula, which ex- 
ceedeth not the 4t Degree, yet is fooner tafted than its Heat, which 
afcendeth to the 8th. 
4. §. Next, inthofe of the Augment. Which I call, That fpace, 
betwixt the firft Perception of the Ta/fe, till it be come to the heighth. 
Sothe Heat of Galangale, is not only prefently perceived, but arifeth to 
the heighth within half a Minute. But the Heat of the Root of Exula; 
comes not to the heighth till after a whole Minute. And the Heat of 
Black: Hellebore, not till after four full Mizutes from the firlt Contadf. 
5. §. The Statvs, or {pace wherein the Jaffe continues in its heighth, 
is alfo divers. Sothe Heat of the Seed-Cafe of Helleborafter, comes to 
its heighth, and begins to decline within half a Mizute; that of the "e 
Root of Garden-Scurvygrafs, not till after a Aznute 3 and that of the 
Root of Afarum, not tillafter two full Minutes. 
6. g. And Laffly, the Declination, or the {pace betwixt the firft 
Remiffion of the Tate, and its total Extinéfon. For inftance, The Leads 
of Millefolium, are Bitter in the 4" Degree, and Hot only in the 1 
yet the Heat continues forfometime, and the Bitter prefently vanithes. 
Calamus Aromaticus, is Bitter in the 4% Degree, Hot inthe 1% and A- 
romatick in the 34: yet the Bitter quickly vanifhes, the Heat conti- 
nuestwo Minutes, andthe Aromatich feven or eight. The Heat of 
the Root of Coxtrayerra, is extended, almoft to two Minutes; the 
Pungency of Falep, almoft to fix 5 the Heat of Garden Scuraygrafs, to 
feven or eight. And even the Bittere/s of Wild Cucumer,; to near a 
quarter of an hour. But the Heat of Exphorbinm dureth much longer; 
as aifo that of Black Hellebore. fe. above half an hour. 
7. §. Sothat the Augmentum, is feldom extended beyond Four or 
Six Miantes, from the firlt Conta : but the Declination, fometimes to 
Thirty, Fourty, or more. Thus far of the Terms of Taji; or the man- 
ner of their Intenfton and Remiffion. 




















































Tt 3 CHAP, 




