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32 MARINE BIOLOGICAL LABORATORY
Mr. C. P. Winsor " The Theoretical Significance of Talbot's
Law on Photoreception."
Dr. George Wald " Carotenoids and the Vitamin A Cycle
in Vision."
Friday, August 31
Dr. E. Eleanor Carothers " The Chromosomal Complex of the
Mexican Grasshopper, Machasrocera
sumichrasti."
Dr. R. L. Carpenter " Regeneration in Brachial Nerves of
Amblystoma."
Dr. Carl Caskey Speidel " Polariscopic Observations of Striated
Muscle of Vertebrates and
Arthropods."
Dr. Paul R. Orr "A Preliminary Study of Heat Death
in Marine Organisms."
Mr. Ralph Oesting and
Dr. W. C. Allee " Further Analysis of the Protective
Value of Biologically Conditioned
Fresh Water for the Marine Turbellarian,
Procerodes."
Mr. Roberts Rugh " Induced Sexual Reactions in Anura
of the Woods Hole Region."
Dr. W. C. Allee and
Miss Gertrude Evans
" Effect of Numbers on Rate of Cleavage
and Early Development of Arbacia."
Mr. John A. Frank
" The Nature of a Specific Egg-agglutinin
Extracted from the Sperm of
Arbacia."
Dr. Eric G. Ball " Isolation of Crystalline Echinochrome."
Miss Catherine E. Goffin and
Dr. Samuel E. Pond " Rapid Drying of Wet Marine Tissues
by Two Liquid Phases and a
Gas Phase."
Dr. Samuel E. Pond " New Steps in the Quantitative Determination
of Magnesium."
Dr. Dugald E. S. Brown and
Dr. Ferdinand J. M. Sichel . . . ."The Myogram of the Single Muscle
Fibre."
Dr. Ferdinand J. M. Sichel and
Dr. Dugald E. S. Brown " The Contraction of Single Muscle
Fibres in Relation to the Intensity
and Duration of Electrical Stimuli."
Dr. Dayton J. Edwards " The Action of Hydrostatic Pressure
on Two Components in a Striated
Muscle Response."
Dr. G. Saslow and
Mr. E. C. Webster " The Tension Output of Caffeinized
Muscles." .