(5to) 
furnHbes the Reader with no vulgar Obfervations. He conclu(^s this 
chapter by obferving, that there is alfo ^ir in the faid Menihranes ; 
which befides other Arguments, he proves from the crying of Infants 
in the Womb (of which he alledges a memorable and well attefted 
example in a Child of an Englifh Lady in Chejhire^ the Child being 
yet alive and in good health j ) and from Chickens, often heard to 
peep in the Egg, both before the breaking of the (hells, and after, the 
Membranes being yet entire ; adfcribing the produdion of this Air to 
the fpirituous liquor in the Membrane, apt to ferment, and thereby 
caufvng ftore of exhalations. 
7hef0mh Chapter difcourfcs of the Umbilical Fefels andob- 
ferves firjt^ that they differ in different Animals, and hold proportion 
to the Membranes and Liquors^ fo as thofe that have two Liquors,have 
four Membranes, and three Liquors have fix ; the Oviparous alfo be- 
ing furniChed with a 2>/*^?»/, paffingto the Guts, becaufc they want 
breafts, and their yolk is fhut up in the belly. 
The ^/w^/Z/V^/^f^^rie^, belonging to ih^ Placenta^ and commonly 
faid to be derived from the Cruralsy are by him affirmed to proceed 
fromtheendofihei^tfff4. They are here defcribed, and their feveral 
portions diflributed for the Chorion and Amnion. Then an account is 
given of the tiefMkk VcitSy corref ponding to the Arteries. It is in Vi- 
viparous Animals inferted into the Vena Poridy paffing again with the 
remaining Bloud thorow the Canalis Venofus into the Cavd^ without 
percolation made in the Liver.In Birds it enters not into the Liver, but 
paffes over its conveKity into the Cava. A defcription is alfo made of 
ihQUrAchusy found in all Viviparous Creatures, though by many Wri- 
ters denied to be in Man^ who notwithftanding hath need, as well as 
other fuch Animals, fome where to lodge his Urine. The Ovifarous 
want this Umbilical funiculus ^ but yet are furnifhed with fit fanguine- 
ous VeiTels, which here alfo are explained 5 efpecially the DuStus In- 
/^//W^, faid to be omitted by Dr.iET^ri/^jf, and to have been k jown 
to the Author long before Mr. Steno claimed the difcovery of it 5 for 
which he appeals to the teftimony of Mr, Bofle^ and three worthy Phy- 
ficians, WiUis^ MilUngton^ and Lomr ; as alfo to that of two ingenious 
Frenchwen^ Guifon^ and Fiard^ to whom our Author affirms to hav'e 
fhcvved Anno 1^5^, when they were going over into H^Uand, not 
only this DuBu^^ but alfo the T>uBus Salivalesy and the Parages of the 
Nojlrils^ publiilied afterwards by the faid Steno. 
The ufc of this Du^us Intefiindis is eftccmedtobe theconveighing 
of 
