VOL. IV.] PHILOSOPHICAL TRANSACTIONS. 417 



what it had out of the liquor, which being warm at the first putting in, filled 

 the whole cavity while the glass was hermetically sealed. 



The winter following, the liquor seemed to remain much about the same 

 temper as in the next foregoing. For in December, January, and February, 

 we had at 144- frost certain ; sometimes at 15 or higher, and the lowest was 

 124-. The height in the following summer, 1666, was usually about 19, 20, 

 21 ; the highest of all at 25. 



About the end of December 1 606, and the beginning of January following, 

 it was in hard frosty weather at 12, 11, and once at 104-, the weather being 

 very cold, and the liquor becoming somewhat less spirituous, having evapor • 

 ated some of its more subtile parts into the void cavity ; and it was frost certain 

 that winter about 134^, sometimes at 14, or 14-i-. The usual height in sum- 

 mer following, 1667, was about 19, 20, 21, and the highest at 244-. 



The winter following, it was scarce certain frost at 1 3 ; but yet sometimes at 

 14 or a little higher: the lowest, to which it descended that winter, was at 12, 

 And the following summer, 1668, usually about 18, 19, 20, the highest 

 of all at 22. 



The next winter it was frost certain about 12^; but sometimes at 13 or 

 higher, the lowest of all at 104-. And in the summer following, 1669, the 

 highest of all not much above 20. 



But now this Christmas, 1669, though I find it to be frost certain about 

 124-, and sometimes at higher than 13 ; yet it has sometimes come lower than 

 8 ; and particularly December 26, in the morning, to 7t- It has ever since been 

 rising, and w^as on January 1 , when the frost seemed first to relent, somewhat 

 higher than 9 ; and is this day, January 7, about 13^. The baroscope at 29 ; 

 but for some days before it was about 28^, (the weather having been windy 

 and rainy,) and so it was in the frost about December 25, but then continued 

 to rise till about January 2, to 29f ; but had been December 13 at 304-, which 

 is the highest I have ever known it in my baroscope ; 271 being the lowest 

 that I have ever observed it in, (October 26, 1665,) the most usual height 

 being about 29 or somewhat higher. 



An Account of a small Tract, entitled, Thomm Hobbes Quadratura 

 Circuit, Cubatio Sphcerce, Duplicatio Cubi, fsecundo edit a, J Denuo 

 Refutata, Auth. Jon. JVallis, S. T. D. Geom. Prof. Saviliano. 

 Oxonice, 1669 . N' 55, />. 1121. 



Since Mr. Hobbes thought himself obliged to make some reply to Dr. Wallis's 

 confutation of what he had, not long since, published on this argument; Dr. 

 Wallis made no stay at all to return this answer and second refutation, 



VOL. I. 3 G 



