The Durham Meeting of the American Association for the Advancement of Science.

The American Association for the Advancement of Eleventh Annual Field Conference of Pennsylvania Science: Geologists: M. N. SHAFFNER ............................. 68 The Durham Meeting: Edited by DR. F. R. MOULSpecial Articles: TON.51 Special Articles: 5 TheAskoy Exped.t.n.ofthe Amertcan Museum o Prevention of Tumor Growth (Carcinoma £163 )by The Alskoy peditio of th i 7Zqzse bm of Intravenous Injections of Yeast and Vitamins: Natural History in the Eastern Tropical Pacific: DR. R. LEWISOHN and OTHERS. Effects of Vitamin DR. ROBERT CUSHMAN MURPHY ....................................... 57 B1 on Woody Erosion-Control Plants: Dn. MAURICE Scientific Events: DONNELLY. Taconic Allochthone and the Martic The Fairchild Connecticut Garden; The American Thrust: PROFESSOR G. MARSHALL KAY .............................. 70 Chemical Society and Organized Labor; The American Society of Mammalogists; Officers of the SoScientific Apparatus and Laboratory Methods: ciety for Research on Meteorites; Birthday Honors The Determination of Amino Acids of the Dextro Conferred by the King of England. Recent Deaths 58 or Unnatural Configuration: DR. ROBERT R. SEAScientific Notes and News .... ................ 61 LOCK. A New Method of Plant Propagation: DR. scuient P.P. PIRONE ......................................... 73 Discussion: TheBreathing Mech ism of Turtles: DR. IRA B. Science News ............................................ 8 HANSEN. Nicotiana rustica Cultivated by Pueblo Indians: PROFESSOR LESLIE A. WHITE. Cervical Exposure and Abrasion in Human Teeth for DifSCIENCE: A Weekly Journal devoted to the Advanceferent Age Classes: Dn. PAUJL C. KITCHIN. TChe ment of Science, edited by J. MCKEEN CATTELL and pubEffect of Chloroform on Some Insect Bites: PROlished every Friday by FESSOR W. A. HOFFMAN. Preservation of Sample Areas in the National Forests:.DR. WILLARD G. THE SCIENCE PRESS VAN NAME ............... 64 Lancaster, Pa. Garrison, N. Y. Scientific Books: New York City: Grand Central Terminal Advances in Enzymology: DR. CARL F. CORI ....... 67 Societies and Meetings: Annual Subscription, $6.00 Single Copies, 15 Cts. The Eastern Section of the Seismological Society SCIENCE is the official organ of the American Associaof America: PROFESSOR WILLIAM A. LYNCH. The tion for the Advancement of Science. Information regardSoutheastern Section of the Botanical Society of ing membership in the Association may be secured from the office of the permanent secretary in the Smithsonian America: PROFESSOR KENNETH W. HUNT. The Institution Building, Washington, D. C.