G. H. Whipple and C. W. Hooper: Studies in bile pigment excretion.-C. W. Duval: Further studies upon the experimental production of leprosy in the lower animal.-E. L. Opie and L. B. Alford: The influence of diet upon the progress of a bacterial infection. - G. W. Crile, F. W. Hitchings and J. B. Austin: Pathological lesions wrought by certain amino-acids, by skatol and indol, by iodin, foreign proteins, and certain organic acids, and the control of the action of these agents by morphia.

Executive proceedings. OFFICERS-ELECT: President-Theobald Smith; Vice-President-G. H. Whipple; Secretary-treasurerPeyton Rous; Councillor-R. M. Pearce vice Harvey Cushing, term expired.

NEW MEMBERS: James B. Murphy, Rockefeller Inst.; L. G. Rowntree, Johns Hopkins Hosp.; Richard Strong, Harvard Med. Sch.; M. C. Winternitz, Johns Hopkins Med. Sch.

ADDENDUM

The following papers of biochemical interest were read at the thirty-first meeting of the Amer. Assoc. of Anatomists, which was held at the Washington Univ. Med. Sch., in St. Louis, Mo., Dec. 28-30, 1914, in conjunction with the Federation of Amer. Soc. for Exp. Biology:

C. M. Jackson: Effects of acute and chronic inanition upon the relative weights of the various organs and system of adult albino rats.-C. M. Jackson: Changes in young albino rats held at constant body-weight by underfeeding for various periods.-R. M. Strong: Further observations on the origin of melanin pigments.-G. W. Bartelmez: Some effects of mammalian thyroid and thymus glands upon the development of amphibian larvae. - Preston Kyes: Morphological evidence of intracellular destruction of red blood corpuscles. -Montrose T. Burrows: An attempted analysis of growth.-R. M. Strong: Microscopic slides showing feather germs with dermal pigment. Eduard Uhlenhuth: Is function and functional stimulus a factor in producing and preserving morphological structures?E. I. Werber: Is defective and monstrous development due to parental metabolic toxemia?-J. F. Gudernatsch: Feeding experiments PAPERS OF BIOCHEMICAL INTEREST, PRESENTED BEFORE THE AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE, AND

AFFILIATED SOCIETIES, PHILA.,

DEC. 28, 1914-JAN. 1, 1915

SELECTED BY

JOSEPH S. HEPBURN

American Association for the Advancement of Science. GENERAL SESSION.-E. B. Wilson: Some aspects of progress in modern zoology (annual address of the retiring president).

SECTION C (CHEMISTRY).-P. A. Maignen: Chemical preservation of manure.-C. P. Fox: Character of the glutinous contents of the fruit of the American mistletoe.

JOINT SESSION OF SECTIONS C and K, AND THE SOCIETY OF AMERICAN BACTERIOLOGISTS.-C. L. Alsberg: Theories of fermentation (vice-presidential address, Section C).—C. S. Hudson: Enzyme action.-A. I. Kendall: Rôle of microorganisms in the intestinal canal.-F. P. Gorham: Use of bacteria in the treatment of textile fibres.-C. E. Marshall: Micro-organisms in their application to agriculture.

SECTION F (ZOOLOGY) AND AMERICAN SOCIETY OF ZOOLOGISTS. -E. P. Churchill: The absorption of fat by fresh-water mussels.G. A. Baitsell: On a certain fibrin reaction which occurs in living cultures of frog tissues.-E. N. Harvey: Studies on the phosphorescent substance of the fire-fly (p. 212).

SECTION G (BOTANY) AND THE BOTANICAL SOCIETY OF AMERICA.-J. C. Bose: Plant autographs.

SECTION I (SOCIAL AND ECONOMIC SCIENCE).-L. F. Bishop: The bearing of diet on efficiency in brain workers after forty.

SECTION K (PHYSIOLOGY AND EXPERIMENTAL MEDICINE).Theo. Hough: The classification of nervous reactions (vice-presidential address).

SECTION K AND SOCIETY OF AMERICAN BACTERIOLOGISTS; JOINT SESSION. Symposium on ventilation.-A. C. Abbott: Air-borne diseases.-E. B. Phelps: Fundamental physical problems of ventilation.-C.-E. A. Winslow: Standards of ventilation-hygienic and esthetic.-D. D. Kimball: Modern developments in air conditions. SECTION L (EDUCATION).-Louise S. Bryant: Blood pressure among feeble-minded people.

American Society of Naturalists. G. G. Scott: Some indications of the evolution of the osmotic pressure of the blood and other body fluids.

Botanical Society of America. W. J. V. Osterhout: The chemical dynamics of living protoplasm; The nature of mechanical stimulation; The nature of antagonism.-G. B. Reed: Studies on plant oxidases.-A. R. Davis: Enzymes of the marine algae.C. O. Appleman: Concerning the measurement of diastase activity in plant extracts.-M. C. Merrill: Electrolytic determination of exosmosis from the roots of anesthetized plants; Some relations of plants to distilled water and certain dilute toxic solutions. - Mr. Kno: Influence of certain salts on nodule production in the vetch.-J. K. Wilson: Physiological studies of Bacillus radiciola of soy bean.Lewis Knudson: Direct absorption and assimilation of carbohydrates by green plants.-R. H. True and H. H. Bartlett: The absorption and excretion of electrolytes by Lupinus albus in dilute simple solutions of nutrient salts; The absorption and excretion of electrolytes by Lupinus albus in dilute solutions containing mixtures of nutrient salts.-H. S. Reed and H. S. Stahl: A preliminary study of the chlorophyl compounds of the peach leaf.-L. A. Hawkins: Some effects of the brown-rot fungus upon the composition of the peach.

American Phytopathological Society. Caroline Rumbold: Some effects on chestnut trees of the injection of chemicals.

Society for Horticultural Science. W. H. Chandler: Some problems connected with killing by low temperatures.

Society of American Bacteriologists. Jean Broadhurst: Some induced changes in streptococci.-I. J. Kligler: A study of the correlation of the agglutination and fermentation reactions among the streptococci. -N. S. Ferry: The filterability of B. bronchisepticus, with an argument for a uniform method of filtration.Zae Northrup: The influence of the concentration of the gelatin in gelatin media upon liquefying and non-liquefying bacteria.-M. R.

Smirnow: Induced variations in chromogenesis; induced variations in the cultural characters of B. coli.-K. F. Kellerman and N. R. Smith: Halophytic and lime-precipitating bacteria.-K. F. Kellerman and R. C. Wright: Relation of crop to bacterial transformation of nitrogen in the soil.-F. W. Turner and L. V. Burton: A note on the occurrence and classification of the gas formers in nature. -Charles Thom: The bacteriological work of the Bureau of Chemistry and its possibilities.-R. S. Breed: The standard method of determining nitrate reduction.-E. B. Vedder: A culture medium for growing gonococci and tubercle bacilli.-S. A. Petroff: A new and rapid method for the isolation and cultivation of tubercle bacilli directly from the sputum and feces, with the aid of sodium hydrate and gentian violet-egg-meat juice media.-R. G. Colwell: Comparative tests of various peptones.-F. M. Scales: The preparation of cellulose for cellulose agar.-P. E. Brown: The solution versus the soil method for the bacteriological examination of soils.-S. H. Ayers and Philip Rupp: The alkali forming bacteria found in milk.-C. W. Brown: Degradation of casein in the presence of salt by butter flora.-R. E. Buchanan and B. W. Hammer: Bacteriology of slimy milk.-K. Peiser: Factors influencing the resistance of lactic acid bacteria to pasteurization. -Maud M. Obst: Bacteria in preserved eggs.-C. G. Supplee: Efficiency of Endo's medium in detecting members of the colon group.-J. Vanderleck: Bacteria which produce black colonies on aesculin-bile-salt agar plates and do not belong to the colon group.-C. Greathouse: Numbers and efficiency of Bacillus bulgaricus in commercial preparations from January to June, 1914.-C. N. Hilliard: The death rate of bacteria upon drying.-L. F. Rettger and T. G. Hull: The influence of milk and carbohydrate feeding on the bacteriology of the intestine. John Weinzirl: A bacteriological method for determining manural pollution of milk. - Thomas W. Melia: Some observations with the use of bile media. -A. J. Smith and M. T. Barrett: Oral endamebiasis. -Chas. Krumwiede, Jr. and Josephine Pratt: Methods of isolation and differentiation of the typhoid-paratyphoid-enteriditis group.G. H. Smith: The production and detection of specific ferments for the typhoid-coli group.-J. F. Siler, P. E. Garrison and W. J. МасNeal: Recent studies of pellagra.-J. A. Kolmer and Emily Moshage: The Schick test for diphtheria.-J. B. Bronfenbrenner: The mechanism of the Abderhalden reaction (p. 87).-D. H. Bergey: Do bacteria produce pyrogenic poisons?-E. C. L. Miller: How bacterial vaccines act.-P. B. Hadley: Reciprocal relations of virulent and avirulent cultures in active immunization.

Philadelphia, Pa.