10 



"Longevity of the Larval Stage of the Cadelle," by James W. McColloch, 

 Manhattan, Kansas. (10 minutes). 



"Artficial Production of Tipbum on Potato," by F. A. Fenton and L L, 



Ressler, Ames, Iowa. (5 minutes). 

 Deals with inoculation tests made with leaf hopper emulsions. 



"Curly Leaf Transmission Experiments with Beet Leafhopper (Eutettix 

 tenella Baker)," by Henry H. P. Severin, Berkeley, Calif. 

 (Read by title). 



Adjournment. 



Program 



Friday, December jo, iQ2i, y.'oo p.m. 



ENTOMOLOGISTS' DINNER 



Details will be announced at the earlier sessions of the meeting. 



JOINT MEETING OF AMERICAN PHYTOPATHOLOGICAL 

 SOCIETY AND AMERICAN ASSOCIATION OF 

 ECONOMIC ENTOMOLOGISTS 



Program 



Saturday, December ji, iQ2i, io:oo a.m. 



Symposium on "Insects as Disseminators of Plant Diseases." 



This subject will be presented by two Plant Pathologists and two 



Entomologists, each paper being limited to ten minutes. 



After the papers have been read the subject will be open for general 



discussion. 



Dr. E. D. Ball, Washington, D. C, and Prof. L. Caesar, Guelph, 

 Canada, will represent the entomologists and Dr. F. V. Rand, Wash- 

 ington, D. C, and Dr. Marx W. Gardner, Lafayette, Ind., will repre- 

 sent the plant pathologists. 



Adjourrmient. 



I 



I 



