34 MEM O 1 R S of the 
the fpermatick arteries ; the kidneys were whitifli with their Suc^ 
Cfnturidtl ^ at the neck of the bladder were inlerted the Veficulte 
S't7)inaleS-, which were tranlparent and filled with Semen ^ towards 
the end of the \Pe)}is^ which had a bony grillle, were two large 
glands emptying themfelves near the extremity of the ^enis^ and 
containing a fubflance like cream, as in the dormoufe, obferved 
by Sivammerdam. 
A A, Fig. 2. Plate II. the kidneys3 a a the Renes Succentu- 
riati'^ hh the Ureters -^ cc the crural veins and arteries j d 
the Jlrteria Magna:, e the Vena Cava-^ /the bladder, gg the 
fpermatick vefl^ls, both veins and arteries ^ h h the 7'eftcs^ with 
tYvc branches of the veins and arteries 5 / / the Epididymides 5 k k 
the T)eferentia 5 / / the Tenis j m rii Veficuldd Semlnales j n n two 
glands from, whence a thick juice might be exprefled3 ^ ^^^ ^^' 
ianus or glans. 
j4n Eftirnats of the 'Degrees oflslonzWty ofMzrik'inddraivrifrom 
'Tables of hivths and Burials in the City of Breflaw, ix'itb an 
Attempt to afcertain the 'Price of Annuities on Lives 3 by Mr. 
Edm. Halley. Phil. Trani: I>i° 196". p. 595. 
TH E contemplation of the mortality of mankind, hath be- 
iide.s a moral, its phyfical and political ules: The deduc- 
tions made from the bills of mortality of Zo;^/(io« and 1)uhlin fecm- 
cd to be def^.'i^ive3 firft in that the number of the people was not 
known 3 fccondly, that the ages of thofe that died was not menti- 
oned 3 and laftly that both Loudon 2nd Dublin^ by realbn of the 
great and cafual accefllon of Grangers who die therein, as appea- 
red by the great excefs of the funerals above the births, rendred 
them unfit to be ftandards for this purpofe3 which require, if 
Eoffible, that the people, we treat of, fliouldnotat all be changed, 
ut die where they were born, without any adventitious encreafe 
from abroad, or decay by migration elfewhere : This defeat 
fecms in great meafure to be fupplied by the curious tables of the 
bills of mortality in the city of ^S^rr/Z^-Te' 3 wherein both the ages 
and iexcs of thofe that die, are monthly delivered, and compared 
with the number of the births for five Years, viz. KjS), 88, 89, 
90, 91 3 and it leems to be executed with all poffihle exaftnefs 
and fidelity : Sre/Iaiv is the capital city of the province o^*Silefiay 
or as the Germans pronounce it, Schlefie^ and it is fituated on the 
wellcrnbank of the Oder^ anciently called Viadrus^ near the con- 
fines cl- Germany and Poland^ and nearly in the fame latitude 
with London-^ it is very far f-oin the lea, whence the confluence 
of ftrangers is but foiali, and the manufadure of linnen employs 
chiefly 
