BETWEEN" THE VISCOSITY OF LIQUIDS AND THEIR CHEMICAL NATURE. GOl 
Homologues (continued). 
i 
v,d\ 
Difference. 
Ethyl bromide. 
597 
89 
Propyl bromide. 
686 
Isopropyl bromide. 
705 
56 
Isobutyl bromide. 
761 
Ethylene bromide. 
1089 
4 
Propylene bromide. 
1085 
Isopropyl chloride. 
567 
90 
Isobutyl chloride. 
657 
Methylene chloride. 
587 
208 
Ethylene chloride. 
795 
Methyl sulphide ....... 
450 
(61) 
Ethyl sulphide. 
572 
Dimethyl ketone. 
4-20 
(57) 
Diethyl ketone. 
533 
Methyl ethyl ketone. 
504 
61 
Methyl propyl ketone. 
565 
Formic acid. 
639 
- 24 
: Acetic acid. 
615 
15 
Propionic acid. . . 
630 
70 
Butyric acid. 
702 
Acetic anhydride. 
635 
(38) 
Propionic anhydride. 
1 
710 
Benzene . 
1 
661 
- 65 
Toluene. 
596 
28 
' Ethyl benzene. 
i 
624 
1 
4 H 
MDCCCXCIV.—A. 
