Chapter XIV: Section D: PETROLOGY AND MINERALOGY. (Hall 9, September 22, 3 p. m.)

CHAIRMAN: DR. OLIVER C. FARRINGTON, Field Columbian Museum, Chicago.
SPEAKER: PROFESSOR F. ZIRKEL, University of Leipzig.
SECRETARY:

SECTION E. PHYSIOGRAPHY. (_Hall 12, September 21, 10 a. m._)

CHAIRMAN: MR. HENRY GANNETT, United States Geological Survey.
SPEAKERS: PROFESSOR ALBRECHT PENCK, University of Vienna.
PROFESSOR ISRAEL C. RUSSELL, University of Michigan.
SECRETARY: DR. JOHN M. CLARKE, Albany, N. Y.

SECTION F. GEOGRAPHY. (_Hall 11, September 22, 3 p. m._)

CHAIRMAN: PROFESSOR ISRAEL C. RUSSELL, University of Michigan.
SPEAKERS: DR. HUGH R. MILL, Director British Rainfall Organization,
London.
PROFESSOR H. YULE OLDHAM, Cambridge, England.
SECRETARY: PROFESSOR R. D. SALISBURY, University of Chicago.

SECTION G. OCEANOGRAPHY. (_Hall 8, September 21, 3 p. m._)

CHAIRMAN: REAR-ADMIRAL JOHN R. BARTLETT, United States Navy.
SPEAKERS: SIR JOHN MURRAY, K.C.B., F.R.S., Edinburgh.
PROFESSOR K. MITSUKURI, University of Tokio.
SECRETARY:

SECTION H. COSMICAL PHYSICS. (_Hall 10, September 22, 10 a. m._)

CHAIRMAN: PROFESSOR FRANCIS E. NIPHER, Washington University.
SPEAKERS: PROFESSOR SVANTE ARRHENIUS, University of Stockholm,
Stockholm.
DR. ABBOTT L. ROTCH, Blue Hill Observatory.
DR. L. A. BAUER, Washington, D. C.
SECRETARY:

DEPARTMENT 13--BIOLOGY
(_Hall 2, September 20, 11.15 a. m._)

CHAIRMAN: PROFESSOR WILLIAM G. FARLOW, Harvard University.
SPEAKERS: PROFESSOR JOHN M. COULTER, University of Chicago.
PROFESSOR JACQUES LOEB, University of California.

SECTION A. PHYLOGENY. (_Hall 2, September 21, 3 p. m._)

CHAIRMAN: PROFESSOR T. H. MORGAN, Columbia University.
SPEAKERS: PROFESSOR HUGO DE VRIES, University of Amsterdam.
PROFESSOR CHARLES O. WHITMAN, University of Chicago.
SECRETARY:

SECTION B. PLANT MORPHOLOGY. (_Hall 2, September 22, 10 a. m._)

CHAIRMAN: PROFESSOR WILLIAM TRELEASE, Washington University, St. Louis.
SPEAKERS: PROFESSOR FREDERICK O. BOWER, University of Glasgow.
PROFESSOR KARL F. GOEBEL, University of Munich.
SECRETARY: PROFESSOR F. E. LLOYD, Columbia University.

SECTION C. PLANT PHYSIOLOGY. (_Hall 4, September 22, 3 p. m._)

CHAIRMAN: PROFESSOR CHARLES R. BARNES, University of Chicago.
SPEAKERS: PROFESSOR JULIUS WIESNER, University of Vienna.
PROFESSOR BENJAMIN M. DUGGAR, University of Missouri.
SECRETARY: PROFESSOR F. C. NEWCOMB, University of Michigan.