( 7*7 ) 
is the matter, ftruflure, tenacity, tenfibility^fltxibknefs, vita- 
lity, and various uC^of Fibres ? Whether there be a natural 
Perception in them ? How the Irritability in Animals is govern- 
ed and direfled by the Imagination and the inward SenfitiveAp- 
petite; together with the manner, how the Imagination and Ap- 
petite move the Mufcles? What kind of Motion it is,wherewith 
the Brain excites the Nerves ; and how the fame comes to move 
fome Mufcles, and not others ? What the Anidial fpirits con» 
tribute to [he motion of the Mufcles? Whether the Scomach and 
C\xis\\d.y^d^fArenchymA,zv\d^\i fo, whether chat be glandular f 
Why the c^cum in Man is icfs than in other Aninials ; and why 
K is double in winged Creatures ? &c. 
Difcourfingof the A6ions and ufe of the Gullet, Stomach, 
and Intefl:ines,he firft examines the nature of Hmger and Jhirft^ 
and inquires,whether they differ fpecifically from the five Sen- 
fes? where occafionally he maintains , that the fenfe of touch 
differs more than in degree from the other fenfes \ and explaias, 
howthepainof Touch differs from the pain of Hungerjadding, 
that the (enfe of Tajl hath more affinity to Hunger, than that of 
touch. Concerning thirjl^ he confidcrs,among divers other par- 
ticulars, that one of thegeneral caufes thereof isthedefe^ef 
t\\t Ut€xx whence he takes occafionto fpeakof the meamng 
given by Van Helmont to that liquor, commending,on theocca- 
fion, that Gentlemans induJlry.fagacity^diVid (i/icerity^but bkming 
withal his pronenelsof inveighif^g againft others. 
This done,he goes on to the confideration of xht FeriJialtipe 
FacuUy,and the various motions thereof ;as alfo of the powers 
of Su^ionyVeglutitioft^ Attract ion ^ KetentionyGoSiim^Difiribu' 
tionof the Chyle^Secretion^Excretton^ Flatuopj: Concluding 
the whole with an Jppendix about Fermentation^. In all which 
there occur many notable Difquificions 5 What are the Re- 
quifites to a Feridnltiqi^e power ?.What the organs of SuHion^ 
What the proper adioris of Dfglutmoni Whether there be any 
(im]\dir: Attraction f Wherein confifts the Retentive Tpower} 
Whether the Stomach be the only feat of Digefiion^ What is the 
principal means of whether it be, (as Mabias yfo\x\d 
have it) a Jpirituomdxxd pungent S^/Zjand if fo,what is the man- 
ner of its operation ? What degree of Heat is required to DI- 
geftion^ and whether alone be fufficient fur it ? What are 
