■ ( i84 ; 
gives his Opinion very exprefly in his Treatife deParta. 
Viper a ovumVnicolor^ molli cortice {qualis Muliebris concepius 
eji) intra fe continety &cc. The Viper 'las Eggs, whofe 
parts are ofvfie colour^ inclofed in a [oft Shell , and the very 
fame is a Womans conception. But he could not inform 
himfel£j howthat i^in ^^;;^^;2orin -D^?^/ comes into the 
Womh. He declares himfelf fully fatisfied after feveral 
Tryals, that no liquor can be fo forcibly injefted into the 
Womh^diS^ to make itspaflape into thtplace of Conception, 'f^oii 
would he fufped, that the Seed of the Female lay till the 
JEg^ appeared, in any crannies or recejjes of the Horns > 
which he afferts are then as fmooth and foft* as the Corpus 
Callofum of the Brain, Dr* Harvey having thus fuff iciently 
confuced the opinion, which till his time prevaird> ofthe 
produftion of Animals from the of Seminal mat* 
ter of Both Sexes ; 'twas not fo difficult to difcover, whence 
thQ Egg came, which he faw ahout 7 Weei^s difiQv irmpreg" 
nation. The fallopian Tuhes, which joyn to the Horns 
and terminate very nearthe Ovaria (as the tefies Muliehres 
are generally now call'dj directed the Ingenious znA In- 
dufirious de Graff to make more accurate difledions of them. 
Heprefendy law, that ihQ limpid liquor^ which Dr. //^a^rz/cy 
thought was defigned to humeA the parrs adjacent, was 
contain'd in an entire Membrane^ and exactly anfwered the 
defcription he gives of the Eggs he faw in the Womb, 
As he firft difcovefd theufe of thofeG&if^^/^j'in theO- ' 
varia^ fo he has been fo happy in that excellent piece de 
Mulieris brganis^ to give fo demonftrativc an account of 
the alteraticin of thofe w<^^ are impregnated^ the way of ^.v- 
cluding them by the glandulous fubftdnce fwelling behind 
them^ and the ^^rz^^/m through which they pafSj remaining 
o^en all the time oi t\it gejlatioii ^ and exadly in each 
Ovarium an fwe ring the number di Embryo s \x\ ^zchHorn: 
But more particularly he has fo very nicely obferved the 
Progrefiof the Eggs in Conies, the very ttme of thdr paj/rng 
into the Tubes^ and appearing in the Horns of the fi^omb^ 
(which 
