576 



SCIENCE 



[Vol. LV, No. 1430 



search, by the United States Department of 

 Agriculture. 



The American Society for Horticultural 

 Science.— This society held sessions beginning 

 on Wednesday and continuing through Friday. 

 The seientifie contributions, of -which there were 

 31, were given in groups under the heading of 

 "Breeding," "Fruit Setting," "Nutrition," 

 "Growth Studies," and "Extension." 



On Thursday afternoon a joint session with 

 the Botanical Society and the Ecological Soci- 

 ety consisted of a symposium on "Frost Re- 

 sistance, Hardiness, and Winter Killing of 

 Plants." At the symposimn the following 

 jpapers were read: 



Geographical distribution of low temperature 

 conditions: Foekest Shreve, Tucson, Ariz. 



Observation on hardiness in Canada: W. T. 

 Macoun, Ottawa, Canada. 



Relation of water retaining capacity to hardi- 

 ness: 3. T. EosA, Je., Columbia. 



Effect of loiu temperature storage and freezing 

 on fruits and vegetables: L. E. Hawkins, Wash- 

 ington, D. C. 



A colloidal cliemical basis for resistance to low 

 temperatures: B. Newton, St. Paul, Minn. 



Physiological and chemical studies of fruits in 

 storage: J. E. Masness, Canton, Pa. 



Sardiness frorQ the horticultural point of 

 view: M. J. Doeset, Morgantown, W. Va. 



There was a large attendance of horticul- 

 turists, and much interest was evidenced in the 

 program at all sessions. 



On Thursday the annual dinner of the society 

 was held; this proved a very enjoyable occa- 

 sion, the discussion following the dinner center- 

 ing around the proposed horticultural journal. 



The Society of American Foresters. — A joint 

 meeting of this society was held with the 

 Canadian Society of Forest Engineers on 

 Tuesday and Wednesday. Thirty-three scien- 

 tific papers were presented at the various ses- 

 sions, being grouped under: "Fire Protection 

 and Forest Administration," "Silviculture and 

 Forest Pathology," "Utilization and Wood 

 Technology," "Regulation and Management," 

 and "Forest Botany." 



The members of the society were entertained 

 at dinner on Tuesday evening at the Hart 

 House by the Canadian Society. After the 



dinner, the retiring presidential address was 

 given by Frederick E. Olmsted, on "Profes- 

 sional Ethics." Other informal addresses were 

 made on this occasion. There was a large 

 attendance of foresters. The program was very 

 much appreciated, and the various papers 

 aroused considerable discusson. 



Association of Official Seed Analysts. — This 

 society met on Wednesday, Thursday and 

 Friday, with a general program at each session. 

 Thirty scientific papers were presented; there 

 was considerable discussion of the various 

 papers. One of the most outstanding features 

 of the meeting was the report of the president, 

 Mr. George H. Clark, on the Copenhagen Con- 

 ference. 



Geneticists Interested in Agriculture. — This 

 society met on Tuesday with a program con- 

 sisting of a symposium on "The Genetics Cur- 

 riculum in the College of Agriculture." Four 

 papers were presented, and each was followed 

 by a general discussion among the members 

 present. Alx)ut forty Avere in attendance, and 

 great interest was evidenced in the methods 

 which are being followed at various institutions 

 in the teaching of genetics to agricultural stu- 

 dents. 



Potato Association of America. — This society 

 met on Friday with a program consisting of 

 reports of standing committees of the society 

 on "Varietal Nomenclature and Testing," 

 "Market Standards and Marketing," "Trans- 

 portation," "Educational," "Judging Stand- 

 ards," "Relation of Varietal Type to Yield," 

 "Investigations on Immature Seed Potatoes," 

 and "Seed Potato Certification Standards." 



There was a large attendance at the meeting 

 of the society, and keen interest was evidenced 

 in the papers presented. An exhibit of seed 

 potatoes proved of particular interest, many 

 of the states being represented, as well as the 

 Province of Ontario. At the business session 

 of the society, the following of&eers were 

 elected : President, J. G. Milward, Madison, 

 Wis.; vice-president, C. A. Zavitz, Guelph, 

 Ont. ; secretary-treasurer, Wm. Stuart, Wash- 

 ington, D. C. 



P.E. Brown, 

 Secretary, Section 0, Agriculture 



