BETWEEN THE VISCOSITY OF LIQUIDS AND THEIK CHEMICAL NATURE. 609 
Table A (continued). 
Observed. 
Calculated. 
Difference 
per cent. 
Methyl sulphide. 
450 
439 
2-4 
Ethyl salphide. 
572 
583 
- 1-9 
Dimethyl ketone. 
420 
434 
- 3-3 
Methyl ethyl ketone .... 
504 
496 
1-5 
Methyl propyl ketone .... 
565 
558 
1-2 
Diethyl ketone. 
533 
558 
- 4-6 
Propionic acid. 
630 
630 
0 
Butyric acid. 
702 
692 
1-4 
Isobntyric acid. 
700 
707 
- 1-0 
Acetic anhydride. 
635 
619 
2-5 
Propionic anhydride .... 
710 
743 
- 4-6 
Ethyl ether. 
459 
443 
3-5 
Toluene. 
596 
564 
5*3 
Ethyl benzene. 
624 
626 
- 0-3 
Ortho-xylene. 
660 
626 
51 
Meta-xylene. 
590 
626 
- 6-1 
Para-xylene. 
594 
626 
— 5'4 
Bromine. 
981 
958* 
2-3 
Methyl alcohol. 
401 
421 
- 5-0 
* Calculated from tlie value of bi’omine in dibromides. 
4 1 
MDCCCXCIV.—A 
