Cl02f] 
ly, Afthmas, Lethargys, &c. And is more frequent in 
the aged then the young. The Leaping Pulfe often por- 
tends no great danger. The Trembling fliews great ex- 
tremity, and very few ever recover after it. But the 
wandring Pulfe, f which fometiines is felt at one place, 
fometimes at another, and fometimes no where J never 
but fome few minutes precedes our folution, which yet 
may perhaps from volatile fpirits fometimes receive a 
ftiort reprieve, but never a perfed reftitution. 
The defign of the other trad is to teach us to difcern the 
virtue and quality of any Plant or other Body( without the 
particular knowledg o[ the fpecies or name of it,) only 
from the Tatt : which he lays is either Sour, as the (liarp 
leavd DockorOlus Sylveftre./^^r/i7,as the Medlar. ^ufiere 
or I^ugh, as the Quince. Sweet as the frefti juice of ripe 
Grapes. Fat and oyly as the Sejamum. Bitter as the 
wild Cucumber. Sdt as common Salt. Tart as Gar- 
lick. Or laftly Infipid, as the Gourd. All which forts he 
treats of in particulai". 
Harjh (Acerb,) things are cold, binding, and repelling 
very hardly concoded 5 to be known upon the Tongue 
' by their drying and contrading it. 
Auftere or r ough di\!SQ,x% from this only by degree , as be- 
ing fomewhat milder in its taft and weaker in its virtues. 
Sour (Acidj) things are cooling, but never to excels, by; 
reafon of their penetrating part. may feem die 
firft degree towards corruption, 'tis known by biting the 
Tongue without any heat. 
Srveet things (and they only,) are nutritive. Their plea- 
fantnefs arifes trom their being neither too hot nor too 
cold to the Tongue. 
Fat things are moderately hot,in fome meafure there- 
fore they moyften, i'oftcn, relax, and obftruct , are d > 
tinguiih't from iSiP^^/^ things, by filling and as it W- :e a- 
nointing the Tongue without that fence of pLafure^ 
whicbt hofe have. 
F f 2 . Salt 
