Genesis of Ions by the Motion of Positive Ions. — 748 
The following experiments were also made :— 
Hydrogen, 12 mms. pressure. 
| | | 
| aes ah a ee = ae 6 | 7 
: ee ies ee ee 
| | | 
pe 10D0 4 ......... B97). ak \eELGO | | 
aaah Bee int | ax.|) 17s) 1160 ns 
I ra ys a Vail | i | 
Pea) g.......... 371 | 717 | 14:2 | 295 | 67-0 | 204 
ee ee re ze 
6 | | 
Pag oven. | S71 TY We | 297 676 205 
R— 1050) aoe, @XX—370, V=s8s9; 
X=700; @=79), (aX X=905,. V=561. 
~ Hydrogen, 16 mms. pressure. 
| ee Das S| anes | Asics | 6, lose: 
PE=1050¢ .......:. 82 | 267 | 196 | | 
ee Ba: | ee ee 
‘ | | 
ey fe 84 | 267°) 194 | 
B75 goes: 45 | 94 | 214 | 503| 158 
| 
0 Sete | eee 
Pe once ee a5 | 97 lara | at | 149 | 
ae ee See | ee eee 
PE FOO) 9 o..c0s.ss (343 | 51 | ... {113 282] 979 
| | 
Ph | eau | eel dv 
ia=41 ‘ | - | 
vi eee ey 6) 3) || i see jalan OP gene ie ware 
Bose ‘Sn ae 
X=1050, a@=463; axX=485, V=490. 
X=875, .¢=7105)¢xXX=621, V=619. 
xX=700,. ag=ist: 
The greatest distance to which the plates could be separated 
in the apparatus which was used was 1:2 cms., so that the 
value of V for the distance 1°36 could not be determined. 
