fore the R. Society. I have found out a Colour tnoft exquifitely 
blackjSc comparable to the heft ink^even in the ufe of the pen, 
and which will not change by Fire or Salt* This an EngUJh 
Vegetable yielded me, and for ought I know (for 1 have not 
repeated the trial on any thing elfe ) the like method will fuc* 
ceed to good purpofe. I am^ &c. 
An Accomft offome Bookj^ 
L Theodori Kerekringn D, ANTHROPOGENIC 
iCHNQGRAPHIA. ftve Conformath FtBtus abOvoufque adojjifi- 
cationis frincipia^ in fuppkmentum Cfieogenia Ftetuum, Amfte» 
lodami, 1671.771 4^ 
After that this Author had the laft year publifhedj together 
Vf\t\iz Specilegium Anatomicum^ his OjleogeniaFostmm ( both 
which were defcribed 7V° 54./». io<^\, feqq,o( thefe Trafts,) in 
in the latter of which he had given an Accompt of the F orma* 
tionofthe F^^^/ of an Humane Body, from the ^e^'^'»^/ Month 
after Conception to the very time of the Infants Birth, he 
confidered, that there were two things yet left behind^necefft- 
ry to the perfed knowledge of ojpffcation-^viz. F/r/Z, what might 
be the Rudiments and Form of an Human Body, before it came 
to have any Firranefi of Bones. Secondly^ How after an Infants 
being born, the fofc Bones acquire by little and little both their 
Hardnefi and Magnitude* Waving for the prefent the latter of 
thefe twoj he undertaketh in thefe (heets (which are but three) 
to deliver the firft Elements, a8*twere of our ^ody^ from and 
even before the time of Conception 5 affirming. 
I, Hontantuminnuptis ^ f£CHndii Mulieribus^fedetiam in^ 
Virginibus effe non minus quim in GaHinis ova ponentihus eti' 
am citra Galli confuetudinem^ ova qus* 
* v^i^NicStenonisMijfcu- 4am ^ piS viridis magnitndine , in 
h Defcriprtoncm Anatomicam .» /ax-* • i- 
aitamk. i66r ST i,fmttam qHtbus humoY Utet Wt^f^ qm^ uH altO'. 
^•.32. Vbt m mrratiMum ihi rum ovorum albumen vitellHs^ dum 
Mnnexarumponcriorim^^ coquitur indurefcit I Porro , ova ilia 
9teno ntemor at, per a grej/ienem, ^ ' it i r 
dari in Fceminis Tcto ovaria mhlierum^ pellicnlis cxlrinfecHs circum^ 
analogos. ip{9 Author nofier oh- j^ri. qfi£ pofiq^^m in Hterum prolapfa 
fefvat etfanty FaUopiUia r . ^ i » . . ^ • 
tnU eitfid notaffl. J^^* ^^^^^ ](BCHndata^ tn Amnion ^" 
Chorion btevt ^^mmiUeniur ^ ova an» 
U>n ipfa 5 dHorum vel trium dierum Jpatio ad ferajl nigri ma^ 
pris magnitHdinemexcrefcisrs^ 
Tha 
