PHILOSOPHICAL 
TRANS ACTIONS. 
Munday ^ 'May 7. i66$. 
TheContenti« 
A way QfPrsferving Birdt taken 9jit of the Egge^ and other fmall 
Fetus's / communicated by Mr Boyle. An ExtraU of a Letter, 
lately [ent to Sr. Robert Moray out ^/Virginia, concerning an 
unujuall way of Propagating Mulberry-treej there ^ for the better 
mprevement of the Silk-Work 5 together rvith [erne other particu- 
lars^ tending to the good of that Royall flantatton, A hLethod^^ 
by which a Glaj! of a fmall Plano-^Convex Sphere may be made to 
refraSi the Bayes of Light to a Focus of a far greater difiance^ 
than h ufmll. Obfervatwns about Shining Worms Oyflers. 
Cb/ervaticns of the Efjecis e/ Touch and Friction. S@me par-^ * 
ticulars^ CQmrnunicated from forrain Parts ^ concerning the Per* 
manent Spott tn Jupiter- and a contejl between tnw Artifls about 
Optick-GlaflTes, Sc, An Account of a Bookjwrittenhy Dr, 
Thomas Sydenham, entituled. Methodiis Curandi Febres ^ 
propriisOWervationibus fuperftiuda. 
A way 
Of preferving Birds taken out of the Egge ^ and other fmdl 
Fastus s ; communicated bj Mr 3oylQ. 
His was imparted in a Letter^ as follows 5 
The time of the year invites iiie to intimate to 
you , that among the other Ufes of the Experi- 
ment, I long fince prefented the Society ^ oi pre- 
ferving Whelps taken out of the Dams womb^ 
md othcv Fcslus'j ^ or pares of them 3 in Spirit of Wmei Ire- 
Ee member 
