Sie 
150 Miscellaneous Intelligence. 
A first edition of part of these tables appeared in 1852. More 
three times as much matter is contained in the present volume, as 
the former issue. wae 
The work now comprises six series of tables, viz. : 
I. Thermometrical, 15 tables, in 35 pages. — 
II. Hygrometrical, S35: « i 
III. Barometrical, 26) i Oa 
IV. Hypsometrical, 26and44"% 149 
V. Meteorological Corrections, 99 tables “ 120 
VI. Miscellaneous, : 12 
The following remarks are made by Prof. Guyot in respect to the con 
struction of these tables: “a 
“In the Thermometrical series six small tables have been added; | 
were prepared for converting into each other differential results given in 
degrees of any one of the three thermometrical scales, irrespective of 
their zero point. ee 
“The Hygrometrical series has been entirely reorganized. It only cow 
tained five tables, all in French measures, and the appendix. It is now 
: e first are 
nO 
rmany, and also of reducing the indications of Saussure’s Hair 2 
grometer, to the ordinary scale of moisture. The appendix remains age 
the first edition, but all the tables have been revised and corrected. 
action, all t 
parison, now so much needed, of the Russian barometer W 
scales, appears here for the first time. 
e Hypsometrical s 
Deleros’s table for b 
ur tab : 
which afford the means of readily converting into each other 
measures usually employed for indicating altitudes. 
