r 42 ; 
hav€| obferved where he faith, ^ando turgidi. fiunt^aut ex^ 
(ra violenter emittantur , uti fcepe apudPaulum vidimus if ems 
ham formam referre T aspeflu afpero ut Erinacem, For in 
j^^/^^ri- they are Hifpid to the end 5 but no tin the T^^nN 
tie-Snake^ as is plainly reprefented in the figures of both. 
^ There are feveral Animals have no Pern's at alb but Fa^ 
fa deferential as moft Fijhes. All §luadruped!s that I know 
of have but a fingle one. Some have but one. Mqft 
ocbers if they may be dud to have any, have twobut ve- 
ry fliorr. In rr^^j-^L^^^/Z^rj" &c. there are two long ones, 
one on each fide ; but Earth-worms y Leeches , Shell- 
[nails i &c. 2iv^ Hermaphrodites y and have the perfe,5i: 
Orgatis of both Sexes. But where the Sex is fingle:» the 
J{attle^ Snake md that Family have thefe Orga^ns of Ge- 
neration the moft numerous of any 1 have hitherto met 
with. Fucwhy the Mzlc l^attle-Sna^y or the Male Ft- 
per {honld have 4 Penes^ when the Female has but two 
Vtert for receiving them ^ feems a difficulty to me. A- 
mongft many Conjedlures I have had about it, what 
feems the moft to fatisfy me, is this : That they have the 
Penis here on each fide double, or forked, that fo being 
enter'd the Vteri^ by fpreading themfelves like the Py-. 
thagorean Y, they may the better and more firmly be 
retained there till they have performed their Duty- 
And this too feems one ufe of the \Aculei or Brijiles to- 
wards the Root of them 3 for having their points look- 
ing backwards when once they have entcrd the Pudendum> 
they muft needs lock them in> and retain them there> till, 
fuch time as the parts being tired, and fubfiding^ have 
leave toretreat^ For in Animals which have no Veficula 
Seminales^ ' c is requifite that the be long, that fothe 
Seed which cannot quickly, may leafurely be tranfmitted 
from the Tejles : but where *tis before hand ftored up in 
the Vefculce, there the Coitus is foon over ; but when they 
muft exped the Generation, or at ieaft a fiuggilh de- 
fcentofit. Nature makes provifion for the more conve- 
nient performing it. So in l>ogsy which have no 
feminales 
