C &? ) 
CiHiUncy pbierved in th? principal parts, vyhich cannot proceed froii? Chsftce, 
whereas there is a great variety in the lefs neceftiry, as in the Bamifica- 
dons of the Veins, Arteries, and Nerves, wherein Nature feei»s to fport 
her felf. 7/y, Pleajure annexe to thofe aftioss that fupport the indimdimm, 
as Esting, Drinking, and thofe that continue the Species. 8!y : . The Multi- 
tude vA Intentions to be regarded in the forming of our Bodies for the varioi s 
motions. and operations .thereof. Commp 10 particulars, he obferves the 
great Variety in the Faces of Men, and the Capacity of the Head from its 
Spherical Figure, to contain a large Brain : In the next p'ace he enlarges on 
the Eye, and its feverai parts endeavouring at a reafon why Objects fcem nor 
inverted, though they are fo painted on the Retina, which feerns to need a 
farther Explication. Be obferves from Mucins Experiment on a Dogs-Eye, 
that the Aqueous Humor is repairable, as being moft fubjecx to Casualties. 
As to the Ear^ he obferves, that if the external Ear (which by degrees 
contracts and draws the found inwards) be cut off, the Hearing has been 
much impaired, if not quite fpoiled ; and takes notice of the alteration of its 
Figure from the difiance of the Sound he refers for a more particular Ex- 
plication of this part, and its ufe to NIonGeur Du Vermys Treatife of the 
Ear. Next as to the Teeth, having recapitulated Mr. Boy Is Seven Obferva- 
tions of them, he adds, That the Molar es are piaced neareft to the Center 
of Motion, where the^e is the greater ilrengch required. And laftly, The 
motion of the Jaws is tranfverfe, as moil proper for chewing. Treating 
of the Tongue, he notes with Des Cartes-, that Brutes have no cogitation 
fmce .none of them can be brought to figoifle their Conceptions by ar- 
tificial Signs, either Words or Gefiures, the Signs which they ufe being 
motions of fome of the Pailhns. Having touched at the ufe of the Sa- 
liva, for digefiion of the Food, he obferves the Annular Formation of the 
Windpipe, whofe Kings are not entire, lefl it mould prefs too hard upon the 
Gullet. Treating of the Heart % he allows it not to be confervatory of the 
vita! Flame i the Lungs ferving rather for the accecfion and maintaining 
of that Flame, but fliews its admirable contrivance from its Mufcles, Valves, 
and the like, to be a proper Machine to continue the circulation of the 
Bbod, affifled much bv the quadruple Coat of the Arteries, efpecblly irs 
third or mufculous one, fin'i difcovered by Dr. Willis, effecting a Confiri- 
crion, or kind of Periftaltick Motion. Having treated of the Structure and 
Ufcs of the Hand, and of the Vertebra of the Back-bone, he obferves the 
Provifjon that is made for the more eafie motion of all the Joynts, and 
prevention of heating and fretting, by an oily and a mucilaginous juice» 
There are feveral other Remarks on the Thorax* Billy, Bladder, Liver^ 
Kidneys, and the like, which I omit ; and coming to the Bones and Mufties, 
he affirms, that there feems to be therein more Geometry than in all the artifi- 
cial Engines in the World. Which he leaves to the Mathematicians to handle, 
as has been attempted, by Borelii and others. 
Our Author wave-: the confederation of the Formation of the Fcstus, and 
fuppofes Impregnation to proceed from fome contagious Vasvour, or fubtile 
L^luvhm of the Male Seed. Which he believes have a great frroke in gene- 
ration, in that the Mule and other Creatures molt referable the Male Parent, 
Taking occafbn here to fpeak of fpontanejM Generation, he affirms, that there 
is no fuch thing in Nature * bat thar ail, nsy, die moft contemptible Infeft 9 is 
£ 2 gene* 
