CI38) 
over thcm^ they emit a fteach hardly to be endured : All 
whicbj and much more may be fullf^feen in the French De- 
fcripdonof the Countries of PoUndi made by Mon^enr de 
Bcat^plaff^ and by Monfieur The'vemt, in his Relation of the 
Cofack/^ contained m the Firft part of his Curhus Voyages. 
An Ohfervation touching the Bodies of Snails and 
Vipers* 
Several have taken notice, that there is a difference be- 
tween the brooding of Snakes and Viperi^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 
fomc affirm to have fecn Snakes lye upon their Eggs,as Hens 
fit upon theirs. 
Some Obfervations of odde Conflitntions of Bodies. 
A very curious Perfon 5 ftudying PhyCck at Leydert^y to 
whom had been imparted thofe Relations about a Milky Sub- 
ftance in Veins, heretofore alledged in ^Hmb. 6. returns^ by 
way of gratitude^ the following Obfervations. 
There was (faith he) not many Years finee, in this Coun- 
try a Student, whobeing muchaddifted to the ftudyof /f- 
flronomy'y and fpending very many Nights in Star-gazing, 
hid^by the Nodurnal wet and cold temper of the Air, in 
' fuch a manner obftrufted the pores of his skinj 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 be 
wasafterwards well cured. v 
We have alfo (faith the ftme) fcen here a young Maid,: of 
' about thirteen Years of age^ which from the time that (he 
was but fix Years old, and began to be about her Mother in 
the 
