between the viscosity of liquids and their chemical nature. 613 
Homologiies (continued). 
>ld^ 
DifFerence. 
MetLjl sulphide. 
190 
(46) 
Ethyl sulphide. 
283 
Dimethyl ketone. 
179 
(41) 
Diethyl ketone. 
261 
Methyl ethyl ketone. 
231 
46 
Methyl propyl ketone 
277 
Formic acid. 
221 
25 
Acetic acid. 
246 
28 
Propionic acid. 
274 
60 
Butyric acid. 
334 
Acetic anhydride . .. 
304 
(38) 
Propionic anhydride. 
381 
Benzene . 
302 
- 9 
Toluene. 
293 
30 
Ethyl benzene. 
323 
Methyl alcohol. 
110 
135 
Ethyl alcohol. 
275 
101 
Propyl alcohol. 
376 
34 
Butyl alcohol. 
410 
Isopropyl alcohol. 
404 
57 
Isobutyl alcohol. 
461 
5 
Isoamyl alcohol. 
466 
Trimethyl carbinol. 
582 
- 75 
Dimethyl ethyl cai’binol .... 
507 
