MR. C. SCHORLEMMER ON THE NORMAL PARAFFINS. 
123 
Boiling- 
■points. 
Mean found. 
Calculated. 
Difference. 
c h 4 
Methane 
C 2 H 6 
Ethane 
c 3 h 8 
Propane 
c 4 h 10 
Butane 
1 
I 
37 
c 5 h 12 
Pentane 
38 
38 
33=37 — 4 
c 6 h 14 
Hexane 
70 
71 
29=33—4 
C; H 16 
Heptane 
99 
100 
25=29-4 
^'8 ^18 
Octane 
124 
125 
4x19 
^12 ^26 
Dodecane 
202 
201 
14x19 
^'16 ^34 
Hecdecane 
278 
278 
In calculating the boiling-points, it was assumed, as appears to be the case, that the 
difference decreases regularly by 4 until it reaches the well-known difference 19°. 
