fa) 
Bat want of time prohibiting the aecomplilhment of the in- 
tended account of this Rich Piece : what remains, muft be re* 
f erred to the next Occafion. It fhall only be intimated for a 
Conclufion , that the Author hath annexed to this Treatife , an 
Examenof Mailer Hobs s Dodtrine touching Cold j wherein the 
Grand Caufe of Cold 'and its Effects is affigned to Wind, in fo 
much that lis affirmed, that aim oft any Ventilation and ftirriag 
of the Air doth refrigerate 
LONDON, 
Printed with Licenfe, By John Martyn , and James Al- 
leftry , Printers to the Royal-Society. 1665. 
