Table of Contents. 



Proceedings, ......... i 



Annual Meeting. . ^ . 2 



donations, .......... 4 



Report of Treasurer, ....... 6 



Trustees' Report, ......... 



Report of Curator of Photographic Section, i^ 

 Report of Director of Museum, . .10 

 The Myxomycetes of the Miami Valley, Ohio. Second 



Paper. By A. P. Morgan 13 



Lichens of Ohio. By E. E. Bogue, Columbus, Ohio, ;,; 

 Leaf Variation — Its Extent and Significance. Mrs. \V. 



A. Kellerman, ........ 49 



A Remarkable Malformation in a Cat. D. S. Kellicott, 



Columbus, Ohio, . 54 



Index to Vol. XV, 



Officers of the Society. 



President, T. B. Collier. 



First Vice-President, . Dr. F. W. L.vngdon. 



Second Vice-President, . . Dr. B. M. ^icketts. 



Secretary, T. H. Kellev. 



Treasurer, . . Davis L. James. 



Members at Large of the Executioe Board. 



Geo. W. Harper, Dr. O. D. Norton, 



Dr. a. T. Keckeler, Charles Dury. 



Librarian. 



Dr. M. Cass ATT. 



Director of Museum. 

 Seth Hayes. 



Meetings. 



Regular Meeting of the Society, 



First Tuesda>- of each uiduIIi, n i'. y\ . 

 I'^xecutive Board Meeting, 



First Tuesday of each month, 7 r m. 

 Pliotographic Section meets 



Second and Fourth Monday.s, 8 !• m. 



Dale of publication of this nutnl)cr, May 27, iNy^. 



