135 



By Research Assistants: 



Dr. Marcy: 



April 13. Iiihcrifaiicc of disease resistance in sorgJiiiiii. So- 

 ciety of Biology and Medicine, Brooklyn College. 

 Dr. Utter: 



May 18. Culture and inoculation studies on races of tJic 

 loose and covered smuts of oats. Torrey Botanical Club. 

 At New York Botanical (jarden. 

 June 24. The iris thrips and tlieir control. Long Island 

 Horticultural Society. At State Institute of Applied Agri- 

 culture, Farmingdale, N. Y. 

 December 29. (With Dr. Floyd F. Smith.) Studies on the 

 control of tJie iris thrips. American Association of Eco- 

 nomic Entomologists, Richmond, Va. 



By the Resident Investigator (Economic Plants) : 



February 14. Variation, in BeJiavior Induced by Caffeine. New 

 York Academy of Sciences (Section of Biology). Ameri- 

 can Museum of Natural Flistory, New York City. 



April 12. Recent Advances in Plant Physiology. Anaphy 

 (Honorary Biology Society) Alumni Association, Long 

 Island University, Brooklyn, New York. 



August 30. Micro-structural Changes in. Muscle Fibers After 

 Caffeine. General Science Meeting at the Marine Biologi- 

 cal Laboratory, Woods Hole, Massachusetts. 



October 21. Color Photography of Plants and Animals at the 

 Marine Biological Laboratory. Biology Honor Society 

 (Anaphy), Long Island LTniversity. 



November 18. A Biologist's View of Naai Terrorism. Gen- 

 eral Meeting, Long Island LTniversity. 



November 28. Botanical Courses in the Pre-medical Curricu- 

 lum. Lancet (Pre-medical Honor Society) Induction 

 Meeting, Long Island University. 



By the Resident Investigator (Ferns) : 



May 20. Numerous aspects of plant conservation. Wild 

 Flower trip to Indian Point (New York). 



