140 DISCUSSION. [Feb. 5, 



it in any form— either what are known as the liquid nor the solid 

 paraffines— not a particle of it has ever been obtained from any of 

 the petroleum of the southern regions, but from that from the neigh- 

 borhood of San Jose, scale paraffine has been obtained. 



Prof. Mabery : Shale oil does not separate much paraffine ; 

 even in distillates above 350°. 



