[ 440 3 
^Auricles before Birth, and prevent it afterwards; and 
laftly, of the valvulous Produdions at the Two Ex- 
tremities of the Canalis ArteriofuS’^ in like manner 
to dired the Blood in its Motion through this Canal 
before Birth, and to exclude it afterwards. Here our 
Author enters into a very minute Examination of 
Monfieuril/^’^^s Hypothecs, but does not agree to it; 
affirming, that the Membrane of the Foramen Ovale 
is fo placed as to permit the Blood to pafs freely from 
the Right Auricle to the Left, during the F)iaJlole 
of the AurkleSj but never from the Left Auricle to 
the Right. 
iithlj. The Ufe of the Urachus in the human 
Foetus is not yet difeovered. Our Author here fup- 
pofes, according to the Determination of the bed 
Anatomifts, that the human Foetus has no Allantois, 
ilthly. The Situation of the Stomach in the 
Foetus is fuch, as makes up for the want of Adion in 
the "Diaphragm^ as far as relates to Digeftion. For 
as in the Adult, the Adion of the F)iaphragm faci- 
litates the Defcent of the Aliment, fo in the Foetus 
the Cardia is made to rife above the Fylorus more 
than in the Adult, from its Connexion with the 
DiaphragMy for the fame Purpofe. 
\\thlyy The Smallnefs of the Stomach in new-born 
Children fhews, that it ought not to be opprefled 
either with much Aliment at once, or with fuch as 
is grofs. 
isthfyy The Defcent of the Tejlicles into the 
Scrotum does not always happen at the fame time. 
icthlyy The recurrent Nerve feems to be fome 
way fubfervient to the Canalis Arteriofus. This our 
Author conjedures from its palling round Aorta 
jud 
