Mutation Research, 21 (1973) 247 ,~©Elsevier Scientific Publishing Company, Amsterdam - Printed in The Netherlands
247
ANNOUNCEMENTS
AN I N T E R N A T I O N A L SYMPOSIUM ON HAPLOIDS IN H I G H E R PLANTS ADVANCES AND POTENTIAL
University of Guelph, Guelph, Ontario (Canada), June IO-I 4, 1974 The Symposium will cover and compare various methods of producing haploids in higher plants and their utilization in research and plant breeding. The program is expected to include invited papers on specific topics, workshops and perhaps a restricted number of short contributed papers. To ensure the proper coverage of various aspects of haploidy, an International Program Committee has been established and includes : S. S. CHASE, G. MELCHERS, S. J . PELOQUIN, R. RILEY, R. F. STETTLER and N. SUNDERLAND. The Symposium will coincide with Centennial Celebrations of the Ontario Agriculture College of the University of Guelph. To ensure receiving information on mailings, persons may drop a card with their address to the Organizing Chairman K, J. KASHA Crop Science Department, University of Guelph, Guelph, Ontario (Canada)
T H E TESTING OF CHEMICALS FOR CARCINOGENICITY, MUTAGENICITY AND TERATOGENICITY March 1973 Published by authority of The Honourable MARC LALONDE, Minister of National Health and Welfare; MAURICE LECLAIR, M. D., Deputy Minister of National Health; and A. W. JOHNSON, Deputy Minister of National Welfare. Published by The Ministry of National Health and Welfare, Canada.
Preliminary announcement of the 4th Annual Meeting (1974) of the E U R O P E A N E N V I R O N M E N T A L M U T A G E N SOCIETY The 4th Annual Meeting of EEMS will be held at the German Cancer Research Center in Heidelberg in the week from May 2oth - 24th, 1974. Further information can be obtained from Professor G. R61~RBORN, Institut ftir Anthropologie und Humangenetik, M6nchhofstrasse i5 a, 69 Heidelberg, who is in charge of the organization.