ALPHABETICAL INDEX. 



A. 



Air, column corresponding to a Millimetre in Barom'eter . . . 427 



" same at different Temperatures and Elevations . . . 429 



*' column corresponding to tenths of an inch in Barometer . .427 



" same at different Temperatures and Elevations . . . 430 



" cubic foot, Dry and Saturated, compared .... 180 



Albany, Monthly corrections Non-periodic Variations of Temperature . 677 



Altitudes, comparison of lengths used in measuring . . . 449-500 



Amherst, Hourly corrections Periodic Var. Temperature . . . 592 



Apenrade, Hourly corrections Periodic Var. Temperature . . . 632 



Apjohn, Factors for computing Force of Vapor . . . . 17() 



Aqueous Vapor, comparison of Dry and Saturated Air . . . 180 



" " Elastic force of, in French measures, Regnault . . 46 



" " " " Greenwich constants . . . 137 



" " " " in Millimetres, August . . . 186 



" " " '' " ' Kaemtz . . . .188 



" " " '' " Magnus . . .188 



" " " " Cubic Foot of Saturated Air . . 130 



u u u u u u u u Greenwich 



constants . 179 

 " " Force of, and Relative Humidity corresponding to degrees 



of Saussure's Hygrometer, Gay Lussac . .193 



" " " different values of different authorities . .190 



'' " " English measures, Regnault . . .78 



" " " Greenwich Hourly corrections, Glaisher . . 683 



" " " Inches, Royal Soc. . . . .189' 



" " " weight of, in Cubic Metre of air . . .74 



" " " "• Factor for deducing from indications of 



dew point instruments . .179 



" " " " in Grammes, in Cubic Metre of air, 



Kaemtz . . . .192 



" " " " in Grammes, in Cubic Metre of air, 



Pouillet . . . .192 



Arc, from Sidereal Time ....... 695 



" into Sidereal Time ....... 693 



Athabasca, Hourly corrections Periodic Var. Temperature . . . 589 



( 721 ) 



