322 NATURE STUDY REVIEW 



emerge in large numbers are less vigorous than those where there 

 are few or none of the insects. 



In making these observations one should take into consideration 

 local changes that may have occurred during the past seventeen 

 years, such as surface drainage, erosion, cultivation and fer- 

 tilization of the soil under the trees, in order that the compari- 

 sons may be free from error. W. S. Moffatt 



Annual Meeting of the American Nature 

 Study Society. 



Toronto, Canada. Thursday, December 29, 1921. 

 Room 38, Medical School Building 



Program 



Morning Session — lo A . M. 



Sky Phenomena — W. H. Tuke, Principal High School and Mining 



Institute^ Haileybury, Ont. 

 The Appeal of Bird-life to Children — Miss Laura B. Durand, 



Deputy Game Warden of Ontario. 

 Nature Study of the Farm, — Dr. John D. Detwiler, Instructor 



in Entomology at Cornell University. 

 Election of Officers 

 Report of Secretary-Editor 



Afternoon Session — 2 P. M. 

 WHAT NEXT IN NATURE STUDY 



Possibilities of the Moving Picture in Nature Study Instruction— 

 F. R. MouLTON, Chicago University. 



A system for caring for some of Children's Nature Study In- 

 terests, Dr. E. Laurence Palmer, Cornell University. 



The Use of Nature Materials in Intelligence tests — twenty 

 minutes, E. R. Downing, Chicago University. 



The Project Organization in the Primar}^ Grades — twenty min- 

 utes, Margaret E. NoonaN, New York University. 



The Contribution of the Simimer Camp — '20, William G. 

 Vjnal, Providence, R. I. 



