4 f*i## 9f Dr. Wallls .fiffi in a Letter tf Vehf ,' 17.1^7? 
itfk LifVer 5» QhfervMion copicerning $h Vans in P^anu^ fum 
tijtjt in Numb, ^o. of theft frails^ 
A S to the Feins of Plants, which Mr Liiler obferves 
IX n ttobc ramifiedjbuc rather biodlcs of them di- 
varicate i ; ihty dointhis reprcfci t the Ncrve?^ which fas 
ill Dr. Wiltisde Cerebro is obfcrvcd) go together in that which 
fee tns the cotnmoD trunk , like a bunch of Th^ tds, w hich at 
tcr feparate and arevariotifly divaricated § arid thefc rys, 
be iog cut. (brink up fas the Vein$ of Plants,) as much or more 
than do the Veins or Arteries of Animals* 
Dr. Willis obferves alfo^ that there are two (brts of Nervcsj 
one arifing from the Cerebrum'^ fubfcrvient to Voluntary moti* 
on^, and of which we arcconfeious or take notice (and which 
properly beloJi^g t > the Funftionsof the Scofitive Soul at kaft 
to the Funftic kis of Stnfe 5 ) the Gther^ from the Cerebrum^lub^ 
fcrv'ent to the Involuntary motions^ and of which we are not 
confcious orfenfiblc, (and which belongs rather to the fun* 
nsof the Vegetative Soul, (Nutrition3C^<^*) or at leaft the 
Inlenfible Loco-motive faculty : ) And to theft btterfeem re- 
ducible thofe ABs of iS^e»/?3 which Mr.Lifier fpeaks of ioPlants. 
See Dr. Willis de Cerebro. c.i g.pag, 241, Edit* in 4®, and c, 15* 
p. 187. 
A Letter of Mr Lifter dated May 3 1 . 1^79. York, partly fa^ 
kjng notice of the foregoing intimations ^pMily communicating 
fome Anatomical Objirvations and Experimenticoncerniffg the 
unalterable CharaSer of the Whirencfs of the Chyle within 
ththaSeons Veins together with divers p^rticuUrs obferved 
m tht G ut$ j^teiaUf (ever d forts of Worms found in ibem* 
f Come to your Letter, where the Analogy betwiKt 
the Veinsiu Eliiots and the Nerves in Animals, hin- 
ted by Dn WaVis, is a confiderable notioOg and I (hall fet my 
fclf a task c're long to examine them both again op purpofc , 
aed to give you my thoughts, la the meaa time, I will en» 
tertaig 
