Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXVII. No. 22.— May, 1902. 



CONTRIBUTIONS FROM THE CHEMICAL LABORATORY OF 

 CASE SCHOOL OF APPLIED SCIENCE. — XLL 



THE COMPOSITION OF PETROLEUM. 



By Charle8 F. Mabery. 



ON THE HYDROCARBONS IN PENNSYLVANTA PETROLEUM 

 WITH BOILING POINTS ABOVE 216°. 



Aid in the Work described in this Paper was given bt the Academy from the 

 C. M. Warren Fo-d for Chejucal Research. 



