( Contivucd fyotn the sei ond cover pagt. ) 



C. W. BuRKETT, Professor in N. C. College of Agriculture, \V. Kaleigh, N. C. 



G. W. Carver, Director of Agriculture, Tuskegee Institute, Alabama. 



Elizabeth Carse, Principal of Charlton School, New York City. 



F. M. Chapman, Curator of Birds, An-'erican Mi'cevnt of Natrral llistory. 



Bertha Chapman, Superintendent of Nature-Study, Oakland Cal. 



F. L. Charles, I rofessor of Biology, DeKalb (III.) Normal School. 



M. L Clapp, Principal of Putnam School, Roxbury, Mass. 



W. B. Coleman, Professor of Biology, Sam Houston Institute, Huntsville.Tex. 



B. P. Colton, Professor of Biology, Illinois State Normal University. 



Anna B. Comstock, Lecturer, Cornell University, College of Agriculture. 



E. G. Conklin, Director of Zoological Department, University of Penna. 



J. M. Coulter, Professor of Botany, University of Chicago. 



Stanley Coulter, Professor of Biology, Purdue University, Lafayette, Ind. 



T. R. Croswell, Supervisor of Training School, Los Angeles, Cal. 



J. Dearness, Vice-principal of Normal School, London, Ont. 



R. E. Dodge, Professor of Geography, Teachers College, Columbia University. 



Mrs. F. N. Doubleday (Neltje Blanchan), Author-Lecturer, New York City. 



W. F, Ganong, Professor of Botany, Smith College, Northampton, Mass, 



W. S. Hall, Professor of Physiology, Northwestern University, Chicago. 



W. Hallock, Professor of Physics, Columbia University. 



W. M. Hays, Director of Agriculture, University of Minnesota. 



H D. Hemenway, Director of Hartford (Conn.) School of Horticulture. 



E. H. HoLDEN, Formerly Director of Lick Observatory, Librarian of West 



Point Military Academy. 

 W. G. Hormell, Professor of Physics, Ohio Wesleyan University, Delaware, O. 

 W. T Hornaday, Director of New York Zoological Park. 

 W. S Jackman, Principal of Elementary School, University of Chicago. 

 O. P. Jenkl\s, Professor of Zoology, Stanford University, Cal. 

 V. L. Kellogg, Professor of Entomology, Stanford University. 

 D Laxge. Super visor of Nature-Study, St. Paul (Minn.) schools. 



F. E. Lloyd, Adjunct Professor of Biology, Teachers College, Columbia 



University. 

 W. Lochhead, Professor of Biolrgv. Ontario Agricultural College. 

 W. A. LOCY, Professor of Zoology, Northwestern University, Evanston, 111. 

 T. H. Macbride, Professor of Botany, University of Iowa, Iowa City. 

 Alice G. McCloskey, Instructor, College of Agriculture, Cornell University. 

 A. H. MacKay, Superintendent of Education, Nova Scotia, Halifax N. S. 

 Chas. a. McMurry, Professor of Pedagogy, DeKalb (111.) Normal School. 

 F. M. McMurry, Professor of Elementary Education, Teachers College, 



Columbia University. 

 L P. Mrxsox, Professor of Biology, State Normal School, Ellensburg. Wash. 

 Fred. Mutchler, Institute Worker and Assistant in Biology, Clark University. 

 J. G. Needham, Professor of Biology, Lake Forest University, Lake Forest, 111. 

 H. Newman, Principal of PubHc School 33, New York City. 

 J. E. Peabody, Instructor in Biology, Morris High School, New York City. 

 Clara M. Russell, New York State Normal College, Albany, N. Y. 

 P. W. Search, Lecturer, Worcester, Mass. 



S. B. Sinclair, Vice- Principal of Normal School, Ottawa, Canada. 

 J. W. Spencer, Supervisor of Bureau of Nature-Study, Cornell University. 

 W. E. Stark, Principal of High School, Ethical Culture School, New York. 

 F. L. Stevens, trofessor of Biology in North Carolina College of Agriculture, 

 Ada Watterson, Tutor in Biology, Teachers College, Columbia University. 

 C M. Weed, Professor in New Hampshire College of Agriculture, Durham. 

 Mrb. L. L. Wilson, Director of Biology, Philadelphia Normal College. 



