Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXII. No 8. — Januapy, 1897. 



CONTRIBUTIONS FROM THE CHEMICAL LABORATORY 

 OF THE CASE SCHOOL OF APPLIED SCIENCE. 



INVESTIGATIONS ON AMERICAN PETROLEUM. 

 By Charles F. Mabery. 



XXIX. —OA^ THE COMPOSmON OF A SOUTH AMERI- 

 CAN PETROLEUM. 



By Charles F. Mabery and Arthur S. Kittelberger. 



Aid in the work described in this Paper was given by the Academy from the C. M. Warren 



Fund for Chemical Research. 



