576 MESSES. T. E. THORPE AND J. W. RODGER ON THE RELATIONS 
oljviously their values depend so much upon the particular part of the curve used, 
tliat if it were possible to take observations below 0 °, values different from those 
already given would be obtained. 
In the following table are given the values of C, h, and n in Slotte’s formula:— 
Constants in Slotte’s Formula, 17 = C /{1 + hi)". 
C. 
h. 
n. 
Pentane . 
•002827 
•006039 
1-7295 
Hexane . .. 
•003965 
•005279 
2-1264 
' Heptane. 
•005180 
•005551 
2-1879 
Octane. 
•007025 
•006873 - 
20290 
1 Isopentane ....... 
•002724 
•008435 
1-2901 
' Isoliexane. 
•003713 
•004777 
2-3237 
Isolieptane. 
•004767 
•005541 
21633 
1 
! Isoprei^e. 
•002600 
•006944 
1-4433 
Amylene. 
•002534 
•005341 
1-7855 
Diallyl. 
i 
•003388 
•005780 
1-9340 
1 
Methyl iodide. 
•005940 
•007444 
1 -4329 
Ethyl iodide. 
•007190 
•006352 
1-75-20 
Propyl iodide. 
•009372 
•007308 
1-7483 
Isopropyl iodide. 
•008783 
'006665 
1'91G1 
Lsobntyl iodide. 
•011620 
•009186 
1-6577 
Allyl iodide. 
•009296 
•007933 
1-6592 
Ethyl bromide. 
•004776 
•007212 
1-4749 
1 Pro])yl bromide. 
•006448 
•006421 
1-8282 
Isopropyl bromide. 
•00G044 
•005916 
2-0166 
Isobutyl bromide. 
•008234 
•006187 
2-1547 
1 Allyl bromide. 
1 
•006190 
•006895 
1-7075 
Ethylene bromide. 
•021579 
•012375 
1-6222 
Propylene bromide .... 
•023005 
•011-267 
1-7075 
Isobutylene bromide .... 
•033209 
•013227 
1-7988 
Acetylene bromide. 
•012307 
•008905 
P5032 
Bromine. 
•012535 
•008935 
1-4077 
Proj)yl chloride. 
•004349 
•004917 
2-2453 
Isopropvl chloride. 
•004012 
•007485 
1-5819 
Isobutyl chloride. 
•005842 
•007048 
1-8706 
Allyl chloride. 
•004059 
•006366 
1-7459 
