CHEMICAL REVIEWS EDITORIAL BOARD L. S H R I N E R , Editor L O U I S E K E L L E Y , Assistant Editor RALPH
B R Y C E L.
CRAWFORD
R I C H A R D S.
W I L L I A M S.
SCHREIBER
J O H N C.
SHIVE
BAILAR
JOHN D. ROBERTS
L E I G H C. A N D E R S O N
JOHN
WALTER F.
E. WILLARD
V O L U M E 55
PUBLISHED BI-MONTHLY FOR T H E AMERICAN CHEMICAL SOCIETY BY T H E WILLIAMS & W I L K I N S COMPANY
Baltimore, U. S. A. 1955
EDGELL
