[ 3371 
/w^5 and America • as alfo fome reafonable Propofals con- 
CQvmU'g thQ Propagation of the ilif jfed Gofpel in d\ Paga;^- 
Countries. 
I L 
The Celeftial World Difcover'd^ or Coiijed:ures 
concerning the Inhabitants^ Plants^ and Pro- 
ductions of the Worlds in the Planets. IVnt- 
in Latin by Chriftianus Huygens, and Infcri- 
bed to his Brother Conftantine Huygens^ late 
Secretary to His Maje fly King William, in 8t^?. 
with 5 Coffer Cuts of II I ufl rat ton. 
THE Ingenious Author of this Difcourfe, havixig 
fpent much Time, and taken great Pains in mak- 
ing Celeftial Obfervations and Diicoveries by Te- 
lefcopes of the largeft Sizes, and other Inftruments, and 
having moreover acquainted himfelfwith the iateft and 
beft Obfervations and Difcoveries made by other Mo- 
dern Aflronomers, and having v^?ell weighed and confix 
dered the Import and Significancy of them, comes in 
this Book to acquaint his Brother the Hter Confuntwe 
Hnygens^ (vi^ho was aifo a great lover of thefe Inquirys^ 
and who was the Perfon that furniflit him with the ex» 
cellent Telefcopes he madeufe of. Wrought with his 
own Hand, wherein he had for his Diverfion acquired 
an extraordinary Art and Dexterity^ unknown to any 
befides himfelf) and by the Publication ot it, if he thought 
fit, likewife to acquaint the Learned World, what up- 
on the Refult of allj his Opinion and Belief was con- 
Dd d 2 cer- 
