? (ipp) - Nnm, i a. 
PHILOSOPHICAL 
TRANSACTIONS. 
Munday , Aifly 7. i665. 
The Contents. 
of-Prtfermtig Birds taken out of the Egge^ and other [mail 
Fetus’s i communicated by Mr Boyle, jin ExtraBofa Letter , 
lately fent to Sr. Robert Moray out of Virginia, concerning an 
unufmll way of Propagating Mulberry-trees there , for the better 
improvement of the Silk-Work ; together with fome other particu- 
lar spending to the good -of that Royall Plantation. A Method, 
by which a Glafl of a f mall Plano '- Convex Sphere may be made to 
refraB the Hayes of Light to a Focus of a far greater difiance , 
than is ufuall . Obfervations about Shining Worms in Oyfiers 
Gbjervations of the EffeSls of Touch and Friction, Seme par- 
ticulars 5 communicated from forrain Parts , concerning the Per™ 
manent Spott in Jupiter- and a contefi between two Artifis about 
Optick-'Glaffes,.c£*. An Account of a Bookywritten by Dr, 
Thomas Sydenham, entituUd , Methodus Curandi Febres , 
' propriis Obfervationibus fuperftrudta. 
A way 
Of preferving Birds taken out of the Egge , and other fmatt 
Faetus’s ; communicated by Afr.Boyle. 
■ k 1 / • 1 
twfr daiyMMI - - His was imparted in a Letter , as follows:, 
IjSgk The n 'rae jbf the year invites me to intimate to 
you ,* that among the other Ufes of the Experi- 
ment, I long fince preferred the Society, of pre- 
„ . ferving Whelps taken out of the Dams womb, 
'and other f ictus's , or parts of them, in Spirit of Wine I re- 
E e member 
