6 
Art 
Why People Like Pictures, by Mrs. F. Maud Brown, Jan. 21-25, 1928. 
Astronomy 
A Visit to the Stars, by R. M, Motherwell, Nov. 13-17, 1925. 
Sun Spots and Their Effects on Living Things, by R. E. DeLury, Nov. 22-26,^1930. 
Bacteriology 
Children's Lecture: Germs — What Are They? What They Are Like? and What do 
They do? 
Adult’s Lecture: Bacteria — Their Place in the Everyday World, by Norman MacL. 
Harris, Nov. 23-27, 1929. 1" 
An Evening with the Microscope, by W T m. E. Harris, Jan. 24-28, 1931.-} 
Biology 
Where Animals go in the Winter Time, by Clyde L. Patch, Dec. 2-6, 1922. 
Snakes, by Clyde L. Patch, Jan. 27-31, 1923. 
What Animals Eat, by Clyde L. Patch, Dec. 1-5, 1923. 
Fur Bearers and Trapping, by Clyde L. Patch, Dec. 6-10, 1924. 
Fish Culture, by J. A. Rodd, Feb. 26-Mar. 2, 1926. 
What Are Snakes Good For, by Clyde L. Patch, Jan. 22-26, 1927. 
The Fisheries of Canada, by J. A. Rodd, Feb. 18-22, 1927. 
A Naturalist in Baffin Island, by J. Dewey Soper, Mar. 12-16, 1927. 
Unusual Features of the Animal World, by Clyde L. Patch, Nov. 12-16, 1927. 
Fur-Bearing Animals and the Furs We Wear, by F. D. Burkholder, Nov. 8-12, 1930. 
Wild Life in Southern Manitoba, by Norman Griddle, Jan. 3-7, 1931. 
Botany ( Including Forestry ) 
The Forests of British Columbia, by M. F. Bancroft, Feb. 3-7, 1923. 
What the Forests Mean to Canada, by R. D. Craig, Feb. 21-25, 1925. 
The Fight Against Forest Fires in Canada, by E. H. Finlayson, Mar. 28-April 1, 1925. 
The People’s Forests, by D. Roy Cameron, Mar. 20-24, 1926. 
Canada’s Forest Wealth, by R. D. Craig, Nov. 20-24, 1926. 
Interesting Facts About Trees, by J. R, Dickson, Mar. 3-7, 1928. 
The Wonders of the Microscopic World or the Accident of Size, by Miss C. W. Fritz, 
and Others, Nov. 10-14, 1928. 
How Trees Grow, by R. D. Craig, Jan. 5-9, 1929. 
The Romance of Wild Flowers, by D. A. MacKay, Feb. 22-26, 1930. 
Why Forests Change, by D. Roy Cameron, Dec. 0-10, 1930. 
Chemistry 
Chemistry of Familiar Things, by R. D. Whitmore, Nov. 29-Dec. 3, 1930. 
Education 
Museum Work, by Harlan I, Smith, Jan. 6-10, 1923. 
Engineering 
The Ups and Downs of a Topographer’s Life, by E. E. Freeland, Dec. 9-13, 1922. 
Entomology 
Insect Enemies of Our Forests, by J. M. Swaine, Jan. 17-21, 1925. 
The Fight Against the Insects, by Arthur Gibson, Feb. 28-Mar. 4, 1925. 
How Insects Live, by H. G. Crawford, Dec. 12-16, 1925. 
Some Insect Invaders, by L. S. McLaine, Feb. 13-17, 1926. 
Small Friends and Foes, by L. S. McLaine, Feb. 12-16, 1927. 
Insects and their Ways, by J. M. Swaine, Dec. 3-7, 1927. 
The Wonders of the Microscopic World or the Accident of Size, by J. J. deGryce and 
Others, Nov. 10-14, 1928. 
Geology 
A Trip Through The Pas Mineral Belt, by F. J. Alcock, Jan. 13-17, 1923. 
The Yukon, by W. E. Cockfield. Feb. 17-21, 1923. 
Gaspe Peninsula, by F. J. Alcock, Dec. 15-19, 1923. 
The Search for Oil, by G. S. Hume, Jan. 12-16, 1924. 
Northwestern Quebec, by W. F. James, Jan. 26-30, 1924. 
