LIST OF CONTRIBUTORS TO VOL. LI. 



ALDRICH, J.M Division of Insects, U. S. National Museum Washington, D.C. 



ALEXANDER, CHAS. P State Laboratory of Natural History Urbana, III. 



BAKER, DR. A. C Bureau of Entomology, Dept. of Agriculture Washington, D.C. 



BANKS, DR. NATHAN Museum of Comparative Zoology Cambridge, Mass. 



BARNES, DR. WM Decatur, III. 



BETHUNE, REV. PROF. C. J. S Ontario Agricultural College Guelph, Ont. 



BLATCHLEY, W. S....'. Indianapolis, Ind. 



BRAUN, MISS ANNETTE F Cincinnati. O. 



CAESAR, PROF. LAWSON Ontario Agricultural College Guelph, Ont. 



CALVERT, PROF. PHILIP P University of Pennsylvania Philadelphia. Pa. 



CAMERON, DR. A. E Entomological Branch, Dept. Agriculture Ottawa, Ont. 



CHAMBERLAIN, DR. RALPH V... Museum of Comparative Zoology Cambridge, Mass. 



CLAYCOMB, G. B University of Illinois Urbana, III. 



COCKERELL, PROF. T. D. A University of Colorado Boulder, Col. 



COLE, F. R U. S. Bureau of Entomology Forest Grove, Ore. 



CRIDDLE, NORMAN Dominion Entomological Laboratory Treesbank, Man. 



DAVIDSON. W. M U. S. Bureau of Entomology S.a.cramento, Cal. 



DAVIS, JOHN J U. S. Bureau of Entomology West La Fayette, Ind. 



DOWNES, W Dominion Entomological Service Vancouver, B.C. 



DRAKE, C. J N. Y. State College of Forestry Syracuse, N.Y. 



DUPORTE, E. M Macdonald College St. Anne de Bellevue, Que. 



DURY, C Cincinnati, O. 



EMERTON, J. H Boston, Mass. 



FALL, H. C Tyngsboro, Mass. 



FERNALD, prof. H. T Massachusetts Agricultural College Amherst, Mass. 



FERRIS, G. F Leland Stanford Jr. University Stanford University, Cal. 



FRENCH, G. H Carbondale, III. 



FUNKHOUSER, W. D Cornell University Ith.\ca, N.Y. 



GIBSON, E. H Alexandria, Va. 



GUNTHROP, HORACE Washburn College Topeka, Kans. 



HEBARD, MORGAN Chestnut Hill, Pa. 



HOWE, DR. R. HEBER Middlesex School Concord, Mass. 



JACKSON, F. H McGill University Montreal, Que. 



JOHNSON, C. W Boston Society of National History Boston, Mass. 



KENNEDY, C. H Ohio State University Columbus, O. 



LEONARD, M. D Cornell University Ithaca, N.Y. 



McATEE, W. L U. S. Biological Survey Washington, D.C. 



McDUNNOUGH, DR. J. H Entomological Branch Ottawa, Ont. 



MacGILLIVRAY, PROF. A. D Unversity of Illinois Urbana, III. 



MACNAMARA, CHAS Arnpr:or, Ont. 



MALLOCH, J. R University of Illinois Urbana, III. 



MATHESON, DR. ROBERT E Cornell University Ithaca, N.Y. 



MORRIS, F. J. A Peticrborough, Ont. 



MORRISON, MRS. E. R Washington, D.C. 



MUESEBECK, C. F. W Cornell University Ithaca, N.Y. 



MUIR, F Honolulu Sugar Planters' Association Honolulu, T. H. 



NICOLAY, A. S New Jersey Agricultural College New Brunswick, N.J. 



OUELLET, J OuTRfTMONT, Que. 



PARKER, R. R Montana State College Bozeman, Mont. 



PARSHLEY, H. M Smith College Northampton, Mass. 



ROHWER, S. A U. S. Bureau of Entomology Washin ;ton, D.C. 



ROSS, W. A Dominion Entomological Laboratory Vinelan^j, Ont. 



ROWLEY, R. R Louisiana, Mc. 



SLADEN, F. W. L Central Experimental Farm Ott.\wa, Onj". 



SMITH, M. R Raleigh, N.C. 



STEVENS, O. A State Agricultural College , Fargo, N. Dak. 



STONER, DAYTON University of Iowa Iowa City, Iowa. 



TOWNSEND, C. H. T U. S. Bureau of Entomology Washington. D.C. 



TREHERNE, R. C Dominion Entomological Service Vancouvjr, B.C. 



WALKER, PROF. E. M University of Toronto Toronto, Ont. 



WEISS, H.B New Jersey Agricultural College New Brunswick, N.J. 



WELD, L. H Evanston, III. 



WHITEHOUSE, F.C Red Deer. Alta. 



WILSON, H. F University of Wisconsin Madison, Wis. 



WINN. A. F Westmount, Que. 



