($ 0 $) Numb. 23. 
Beginning the Third Yedfi 
PHILOSOPHICAL 
TRANSACTIONS. 
Monday March 1 1 . 1 666, 
: 
The Contents. 
A Preface to the Third Year of thefe Tranfa&ions j which is begun 
with this. An Account of the Enlargements of Philofophicai 
Correfpondencies * together with an Invitation to contribute in- 
quiries and Dir eB ions. Inquiries for fever al farts of the Worlds 
j/Suratte, and the Eaft-Indies ingeneral 5 for Periia, the Weft- 
Indies , andthere particularly , for Virginia 5 Bermudas , Guai- 
ana, Brafil. Thefe for other Countries referred to another oppor- 
tunity, of a considerable Load- (l one , digged in Devon-Hiire^ 
weighing 6o_, pounds . Some obfervables about Load-ftones^ and 
Sea-Compajfes . Propofals to try the effects of the Rarifying En- 
gin exhausted, on Plants ) Seeds, Eggs of Silk- worms. An Ex- 
periment propofed of Grafting Pears upon Spina Cervina ( Buck- 
thorn f) observations concerning Emmets ? their Eggs , Produ- 
ction, Progrefsj Commingto Maturity , andltfe. Account of a 
Book in French 5 intituled H IjS TOIRE DPS [ O Y 
aux. ‘ 
A PREFACE 
To the Third Year of thefe Tra&s. 
H Aving , by Gods Afliftance , finiflfd my folicitations for the 
Philofophicai Tran factions of the two lafl years 0 I crave leave 
to refkdl a little upon what hath paft. 
1 think 3 I may fafely alFume 5 that in thefe Fragments , 
fomething hath been contributed to fowe fuch feeds , as may 
1 fomewhat conduce to the illuftration and improvement of Philo - 
! fophy , and of all Laudable and Ufefal Arts and Pra&ices And 
Hhh * I 
