Abstract :
Summary form only given, as follows. In the October, 1964, issue of thlse Transactions, on Covers II and III, the following listings should have appeared as indicated below: C.K. Birdsall in place of C.C. Cutler; J.L. Moll in place of J.F. Gibbons; B.J. Wilson in place of W.V. Wright, Jr.
