Apeil 9, 1915] 



SCIENCE 



547 



Host Plants Immune to its Attack, " by E. C. Stak- 

 man. 



"rurther Studies on the Spread and Control of 

 Hop Mildew," F. M. Blodgett. 



' ' The Longevity of Pyenospores and Aseospores 

 of Endofhia parasitica under artificial conditions, ' ' 

 by F. D. Heald and R. A. Studhalter. 



"Field Studies of Apple Bust," by N. J. Gid- 

 dings and Anthony Berg. 



' ' Cotyledon Infection of Cabbage Seedlings by 

 the Bacterial Black Eot, " by Charles Dreohsler. 



"Fungus Host Relationship in Black Knot" 

 (with lantern), by E. M. Gilbert. 



"Stigmonose: A Disease of Fruits," by M. B. 

 Waite. 



"Jonathan Spot, Bitter Pit and Stigmonose'' 

 (with lantern), by Charles Brooks and T). F. 

 Fisher. 



"The Organization of the Plant Disease Sur- 

 vey," by R. Kent Seattle. 



' ' Some Technical Aids for the Anatomical 

 Study of Decaying Wood" (with lantern), by E. 

 W. Sinnott and I. W. Bailey. 



"Apple Rots" (with lantern), by Charles 

 Brooks, D. P. Fisher and J. S. Cooley. 



' ' The Relation of Temperature to the Infection 

 of Cabbage by Fusarium conglutinans Wollenw, ' ' 

 by J. C. Gilman. 



' ' Third Progress Report on Fusarium Resistant 

 Cabbage" (with lantern), by L. R. Jones. 



"York Spot and York Skin Crack" (with lan- 

 tern), by H. S. Reed. 



' ' Soil Stain and Pox, Two Xittle-known Diseases 

 of the Sweet Potato" (with lantern), by J. J. 

 Taubenhaus. 



"Mhizoctonia in America" (with lantern), by 

 Geo. L. Peltier. 



"Lightning Injury to Cotton and Potato 

 Plants, " by L. R. Jones and W. "W. Gilbert. 



"Orchard Experiment with Jonathan Spot Rot 

 in 1914," by G. W. Martin. 



' ' The Perfect Stage of the Fungus of Raspberry 

 Anthracnose, " by W. H. Burkholder. 



January 1, 1915, Business Meeting 



"Parasitism, Biology and Cytology of Eocronar- 

 tium typhuloides Atk.," by Harry M. Fitzpatrick. 



' ' Negative Heliotropism of the Urediniospore 

 Germ Tubes of Fuccinia rhamni," by F. D. 

 Fromme. 



"The Ascigerous 'Stage of Helminthosporium 

 teres Sacc," by A. G. Johnson. 



"A Gymnosporangium with Repeating Spores," 

 by J. C. Arthur. 



"A Preliminary Report on Twig and Leaf In- 

 fection of the Peach by Means of Inoculations with 

 Cladosporium carpophilum Thtim, " by G. W. 

 Keitt. 



"Notes on Cronartium comptoniae and C. ribi- 

 cola," by Perley Spaulding. 



"How to Know the Polypores, " by W. A. Mur- 

 rill. 



"Some Problems of Plant Pathology in Refer- 

 ence to Transportation, " by F. L. Stevens. 



"A Disease of Red Clover and Alsike Clover 

 Caused by a New Species of CoHetotrichum, " by 

 P. J. O'Gara. 



"An Anthracnose of Asolepias speciosa Caused 

 by a New Species of Colletotrichum, " by P. J. 

 O 'Gara. 



"A Disease of the Underground Stems of Irish 

 Potato Caused by a New Spe..ies of Colleto- 

 trichum," by P. J. O'Gara. 



"A Preliminary Report on the Relation of Grass 

 Rusts to the Cereal Rust Problem," by E. C. Stak- 

 man. 



"Some Facts of the Life History of TJstilago 

 zeae (Beckm.) Unger," by Frank J. Piemeisel. 



"A Promising New Fungicide," by W. M. 

 Scott. 



"The Potato Study Trip of 1914," by W. A. 

 Orton. 



' ' Some Effects on Chestnut Trees of the Injec- 

 tion of Chemicals" (with lantern), by Caroline 

 Rumbold. 



0. L. Sheae, 

 Secretary-Treasurer 



TBE PHILADELPSIA MEETING OF TBE 



AMERICAN PSYCHOLOGICAL 



ASSOCIATION 



The twenty-third annual meeting of the Ameri- 

 can Psychological Association was held on De- 

 cember 29, 30 and 31, 1914, in affiliation with the 

 American Association for the Advancement of 

 Science and the Southern Society for Philosophy 

 and Psychology at the University of Pennsyl- 

 vania, Philadelphia. Professor Robert Sessions 

 Woodworth, of Columbia University, presided. 



As president of the association for the ensu- 

 ing year, Professor John B. Watson, of the Johns 

 Hopkins University, was selected. As members of 

 the council, to succeed Professors Max Meyer and 

 Margaret F. Washburn, Professors Roswell P. 

 Angler, of Yale University, and Walter Dill 

 Scott, of Northwestern University, were chosen. 

 The association's representative upon the council 

 of the American Association for the Advancement 

 of Science will be Dr. Thomas H. Haines, of Co- 

 lumbus, Ohio. 



It was decided to hold a special meeting for the 

 reading of papers at San Francisco, in affiliation 

 with the American Association for the Advance- 

 ment of Science. The dates of this meeting will 

 fall within the time selected by the larger associa- 

 tion, August 2-7, 1915. The organization of this 

 special meeting, and all arrangements pertaining 

 to the program, etc., was left in the hands of a 

 committee appointed by the president. This com- 

 mittee consists of Professor G. M. Stratton, Uni- 

 versity of California, chairman, and Professors 

 LiUien J. Martin and Warner Brown. The place 

 of the twenty-fourth annual meeting, to be held as 

 usual during Convocation Week of 1915, was left 



