THE BIOLOGICAL LABORATORY. BOARD OF MANAGERS. EUGENE G. BLackford, A. AUGUSTUS HEALY. Col. ROBERT B. WOODWARD. CHARLES H. LEVERMORE, Ph.D. LOWELL M. PALMER. Executive EUGENE G. BLACKFORD. CHARLES L. Woodbridge, H. MESSENGER AYRES, M.D. President. Hon. SETH Low, LL.D. Committee. Col. ROBERT B. WOODWARD. THE BOARD OF INSTRUCTION. CHARLES BENEDICT DAVENPORT, PH.D., Instructor in Zoölogy, Harvard University, Cambridge, Mass., Director. DUNCAN STARR JOHNSON, PH.D., Instructor in Botany, Johns Hopkins University, Instructor in Botany. Henry Sherring Pratt, Ph.D., Associate Professor of Zoölogy, Haverford College, Instructor in Zoology. Charles Peter Sigerfoos, Ph.D., Professor of Zoölogy, University of Minnesota, Instructor in Embryology. WILLIAM HARRY C. Pynchon, A. M., Instructor in Biology, Haverford College, Instructor in Photography. NELSON FITHIAN DAVIS, Sc. M., Assistant Professor, Bucknell University, Instructor in Bacteriology. Mrs. GERTURDE CROTTY DAVENPORT, formerly Instructor in Zoology, Kansas University, Instructor in Microscopic Methods. STEPHEN RIGGS WILLIAMS, A.M., Assistant in Zoölogy, Harvard University, Assistant in Zoology. WILLIAM CHAMBERS COKER, B.S., Johns Hopkins University, Assistant in Botany. STUDENTS ENGAGED IN RESEARCH, 1899. ELIZABETH BANGS BRYANT, Assistant at Boston Society of Natural ESTHER FUSSELL BYRNES, PH.D. (Bryn Mawr), Teacher of Zoology CHARLES LINCOLN EDWARDS, PH.D. (Leipzig), Professor of Biology, HARRY MCCORMICK KELLY, A.M. (Harvard), Assistant Professor of Biology, Cornell College. Mount Vernon, Iowa, Variation. ELIZABETH VENABLE GAINES, A.B. (Adelphi College), Professor of Biology, Adelphi College, Brooklyn, Variation. WILLIAM J. MOENKHAUS, A.M. (Indiana University), Graduate Student, Harvard University, Zoology. MABEL ELIZABETH SMALLWOOD, Teacher of Biology, Englewood High School, Chicago, Ill., Variation. Gertrude StEIN, A.B. (Radcliffe College), Student, Johns Hopkins University, Zoology. JOHN CUTLER TORREY, A.B. (University of Vermont), Graduate Student, Columbia University, Zoology. WILLIAM LAWRENCE TOWER, Student, Harvard University, Zoology. WILLIAM SEWARD WALLACE, Student, Columbia University, Zoology. ADA WATTERSON, A.B. (Columbia University), Assistant in Botany, Barnard College, Botany. ZOOLOGY I. HIGH SCHOOL ZOOLOGY. Mrs. GERTRUDE LANGLEY BLOOD, PH.B. (Cornell), Teacher, 84 St. James Place, Brooklyn, N. Y. SUSAN MARIA CUTTER, Teacher, Montclair, N. J. GERTRUDE HASTINGS, Student at Allegheny College, Meadville, Pa. HERBERT NORTON LOOMIS, Teacher at State Normal School, New Haven, Conn. HELEN LOUISE SEELY, Teacher, Jersey City High School. WILLIAM HOWARD SPRENKLE, B.S. (Gettysburg College), Teacher, Central Normal School, Lock Haven, Pa. ELIZABETH HUGHES RIGGS, Teacher, 441 Selby avenue, St. Paul, Minn. EDWARD FULLER BIGELOW, A.M., Taylor University, Editor Popular Science, Stamford, Conn. EMMA MAY CAPPEL, Teacher, 511 Willoughby avenue, Brooklyn, N.Y. DANIEL S. HARTLINE, A.B. (Lafayette College), Teacher, State Normal School, Bloomsburg, Pa. DANIEL EDGAR HOTTENSTEIN, Student at Bucknell University, Lewisburg, Pa. MARY KINGSLEY, Student, Tufts College, Mass. JAMES COLVIN LANDIS, A.B. (Ursinus College), Student at Med. LEO LESINSKY, Student, 1109 Madison avenue, New York City. GEORGE DIEHL STAHLEY, M.D. (University of Pennsylvania), Professor FRANK EVERETT WING, Student, Wesleyan University, Middletown, Conn. ZOOLOGY 3. INVERTEBRATE EMBRYOLOGY. EMMA MAY CAPPEL, Teacher, Taylor University, Editor Popular Science, Stamford, Conn. MINNIE ADELAIDE COLBURN, Teacher, Springfield, Mass. DANIEL EDGAR HOTTENSTEIN, Student, Bucknell University, Lewisburg, Pa. MARY KATHERINE PINKHAM, B.A. (Wellesley College), 64 Nahant street. Lynn, Mass. HENRY FARNHAM PERKINS, A. B. (University of Vermont), Graduate Student, Johns Hopkins University, Baltimore, Md. FRANK EVERETT WING. BOTANY I. CRYPTOGAMIC BOTANY. Mrs. GERTRUDE L. BLOOD. EMMA ABBOTT CUTLER, Teacher, Indian School, Carlisle, Pa. ESTHER ANNA HARRISON, A.B. (Woman's College), Student. Address, Govanstown, Md. WILLIAM FAY Ross, Student, Pennsylvania State College. Address, Williamsburg, Pa. HELEN LOUISE SEELY. WAYNE L. SHEARER. WILLIAM H. SPRENKLE. H. M. STEPHENS, A.M. (Dickinson College). Teacher, Carlisle, Pa. ERNEST A. STERLING. GILBERT HAVEN TRAFTON, PH.B. (Wesleyan University), Teacher, Beaver College, Pa. EDGAR NELSON TRANSEAU, A.B. (Franklin and Marshall College), Teacher, High School, Williamsport, Pa. ALFRED ABEL DOOLITTLE, A.M. (Princeton University), Teacher. Address, Princeton, N. J. GRACE OWEN, Student at Teachers' College, Address, The Yews, Greenwich, London, S. E. MARY KATHERINE PINKHAM. DANIEL H. SHOEMAKER, B.S. (Earlham College), Graduate Student, Johns Hopkins University, Baltimore, Md. BOTANY 3. BACTERIOLOGY. FRANCIS JOSEPH BIRTWELL. FRED GOLDFRANK, A.B. (Harvard), Student, 20 East Eighty-first street, New York City. GERTRUDE HASTINGS. WILLIAM BRICKHERD LINDSAY, B.S. (Mass. Inst. Tech.), Professor of Chemistry, Carlisle, Pa. EDITH ADELAIDE MILLER, 212 Hooper street, Brooklyn, N. Y. EVELINE JUDITH STANTON, Pí.M. (Bucknell), Teacher, Lewisburg, Pa. MICROSCOPIC METHODS. EDWARD FULLER BIGELOW. DANIEL S. HARTLINE, A.B. (Lafayette College), Teacher, State Normal School, Bloomsburg, Penn. ELIZABETH HUGHES RIGGS, Teacher, 441 Selby avenue, St. Paul, Minn. GEORGE DIEHL STAHLEY, GILBERT HAVEN TROFTON. WILLIAM SEWARD WALLACE, |