638 
of the Ceylon Department of Agriculture; Transactions and Pro- 
ceedings of the Edinburgh Botanical Society; Agricultural Journal 
of Egypt, Ministry of Agriculture, Cairo, Egypt; Annuaire du 
Conservatoire et du Jardin Botaniques de Genéve; Agricultural 
Journal of India, Pusa, India; Trabajos, ser. Botanica, Museo 
Nacional de Ciencias Fisico Naturales, Madrid, Spain; Anales, 
Museo Historia Natural, Montevideo, Uruguay; Science Bulletm, 
Department of Agriculture, New South Wales; Transactions and 
Proceedings, New Zealand Institute; Meldinger, Norges Land- 
brukshoiskole, Aas, Norway; Proceedings and Transactions of 
the Nova Scotian Institute of Science; Paris, Ministére de I’Agri- 
culture Service des Epiphyties, Annales, Mémoirs; Archivos, 
Museo Nacional, Rio de Janeiro; Bollettino Tecnico, Rome, R. 
Istituto Scientifico sperimentale del Tobacco; Scientific Agricul- 
ture, Gardenvale, Canada; Bulletin and Journal of the Department 
of Agriculture, Union of South Africa, Pretoria; Verslagen, as 
well as the Vlugschrift, from the Wageningen Phytopathologischen 
Dienst; Agricultural News of the Imperial Department of Agri- 
culture of the West Indies. 
The following state horticultural societies have been added to 
our file of exchanges: 
Arizona, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, 
Maryland, South Dakota, Virginia, Wyoming 
We may also mention as new additions the American Nut Jour- 
nal; University of Illinois, Biological Monographs and Bulletin of 
the Laboratory of Natural History; the Maine Naturalist, Journal 
of the Knox Academy of Arts and Sciences; Bulletin, Maryland 
Academy of Sciences; Publications, Nebraska Academy of Sci- 
ence; New York Botanical Garden, Contributions; Parks and 
Recreation, Minot, North Dakota; Transactions, Peninsula Horti- 
cultural Society, Dover, Delaware; Portland Roses, Portland Rose 
Society; Bulletén, Southern Californian Academy of Sciences; 
University Publications, Biological series, Stanford University 
Library; Tr illia, as well as Proceedings, of the Western Pennsyl- 
vania Botanical Society. 
