C*3» i k 
mat them, thty emit a ft each hardly to be endured : All 
which, and much more may be fully feen in the French De- 
fori ption of the Countries of VoUnd 3 made by Monfeeur de 
BtaitpUtt , and by Monfieur T hevenot % in his Relation of the 
Cofackj, continued in the Firft part of his Curious Voyages. 
An Obfervaiion touching the Bodies of Snakes and 
Vipers i 
Several have taken notice, that there is a difference be- 
tween the brooding of Snakes and Vipers, thofe laying their 
Eggs in Dung-hills, by whofe warmth they are hatched 5 but 
thefe (Vipers,) brooding their Eggs within their Bellies, and 
bringing forth live Vipers. To which may be added. That 
fome affirm to have feen Snakes lye upon their Egg$>as Hens 
fit upon theirs. 
Some Observations of odde Conflitutions of fdodies . 
A very curious Perfon , ftudying Phyfick at Leyden* to 
whom had been imparted thofe Relations about a Milky Sub- 
ftance in Veins 5 heretofore alledged in Numb. 6 . returns, by 
way of gratitude, the following Obfervations. 
There was (faith he) not many Years fince, in this Coun- 
try a Student, who being muchaddi&ed to the ftudy of A- 
fironomy* and (pending very many Nights in Star-gazing, 
had, by the Nocturnal wet and cold temper of the Air, in 
fiich a manner obftrufted theporesof his skin, that little or 
nothing exhaled from his Body 5 which appeared hence, be- 
caufe that the (hirt, he had worn five or fix weeks, was then 
as white as if he had worn it but one day. In the mean 
while he gathered a fubcutaneous Water, of which yet he 
was afterwards well cured/ , ' r 
» We have alfb ( faith the fame ) feen here a young Maid, or 
about thirteen Years of age, which from the time that fhe 
was but fix Years old, and began to be about her Mother in 
. 1 ^ the 
