10 Messrs Carse and Laby, A relation between the velocity 
Ion 
Ionic formula 
Coniine 
. HoN . CH„ . 
C 3 H 7 .HC ch 2 
•CH 2 . CHo. 
Menthyl ammonium 
Organic phosphonium cations : 
. CH„ . CH„ . 
c 3 h 7 .ch ch.ch 3 
.CHNHg.CHo. 
Tetraethyl phosphonium 
Methyltriphenyl phosphonium . . . 
(C 2 H 5 ) 4 P- 
CH,(0 6 H s ) 3 P- 
Ethyltriphenyl ,, 
CoH b (C 6 H 5 ) 3 P" 
Propyltriphenyl „ 
(•,u ; (C,ir,!,r 
Triphenylbenzyl „ 
Organic arsonium cations : 
(C 6 H 5 ) 3 C 7 H 7 P- 
Tetramethyl arsonium 
(CH 3 ) 4 As- 
Tetraethyl ,, 
Organic stibonium cations : 
(C 2 H 5 ) 4 As 
Tetramethyl stibonium 
(CH 3 ) 4 Sb* 
Tetraethyl ,, 
(C 2 H 5 ) 4 Sb* 
