282 MR G. CARR ROBINSON ON THE 
III. 01905 grammes baryta salt gave— 
0:35775 grammes CO, = 51:21 per cent. carbon. 
0:1545 3 H,O= 900 » hydrogen. 
Allowing for carbon retained, as BaCO, (as in A), these show respectively-—— 
I. Carbon, 53°28 
ie 55 53°67 
TII. 3 53°45 
|b 108 III. 
Carbon, . ; < 53°28 53°67 53°45 
Hydrogen, ‘ : 9°56 8°66 9:00 
Barium, . 5 ; 25°35 25°57 25°34 
Agreeing with barium laurate (C,,H,;0,),Ba, which requires— 

Carbon, . ‘ ; : : : 53°82 
Hydrogen, . ‘ : : : 8°59 
Barium, . : : j ; A 25°60 
Oxygen, . : : : ; : 11:99 
100-00 
Analysis of baryta salt, marked O, from ether, boiling point 285° to 290° C. 
Two estimations of barium gave— 
25°09 and 25:26 per cent. barium. 
Estimation of carbon and hydrogen; combustion made with chromate of 
lead. 
I. 0:13175 grammes baryta salt gave— 
0:25625 grammes CO, = 53°39 per cent. carbon. 
0°10975 a (oO, 22) » hydrogen. 
II. 0.17675 grammes baryta salt gave— 
0:34525 grammes CO, = 53:27 per cent. carbon. 
0-141 5 (OE 686 Pe hydrogen. 
Allowing for carbon retained as BaCO; (as in A and N), these show— 
I. 55:11, and II. 55:46 per cent. carbon. 
i Il. 
Carbon, . i ; 55:11 55°46 
Hydrogen, : f 9°25 8°86 
Barium, . : : 25°09 25°26 

