802 APPENDIX 



ters on: Chemical Aspect of Protoplasm, Osmosis, Enzymes and Metabolism, 

 Growth. 



Snyder, L. H.: The Principles of Heredity, 4th ed. Boston, D. C. Heath & Co., 1951. 

 Excellent reference. 



Spear, F. G.: Radiations and Living Cells. New York, J. Wiley & Sons, 1953. A small 

 book, clearly written and interesting to the intelligent reader. An introduction to 

 the action of radiation on living cells, especially those of human tissues. 



WiLLMER, E. N.: Tissue Culture, 2nd ed. New York, J. Wiley & Sons, 1954. The growth 

 and differentiation of normal tissues in artificial media. The essentials of the 

 methods of culturing cells outside the body; a small book. 



Wilson, E. B.: The Cell in Development and Heredity, 3rd ed. New York, The Mac- 

 millan Co., 1925. A classic by an important authority. 



SiNNOTT, E. W., and K. Wilson: Botany: Principles and Problems, 5th ed. New York, 

 McGraw-Hill Book Co., 1954. An excellent and widely used book. 



Bonner, James: "Chemical Warfare Among the Plants," Scientific American, 180: 

 48-51 (Mch. 1949). Remarkable plant relationships. Some plants have chemical 

 weapons with which they attack their neighbors. Penicillin is a familiar one. 



SCHROCKEN, v.: "Plant Hormones," Scientific American. 180:40-43 (1949). 



Wilson, M.: "Priestly," Scientific American, 191:68-73 (Oct. 1954). This article is 

 about Priestley as a scientist and even more as a person who struggled and suffered 

 in the cause of civil, political, and religious liberty. What happened to him in 

 1791 savors of the present times. 



4. Plants Provide for Themselves and the Animals 



Avery, G. S., Jr., and E. B. Johnson: Hormones and Horticulture. New York, McGraw- 

 Hill Book Co., 1947. Chapters on Hormones and the Rooting of Cuttings, Hormone 

 Treatment of Seeds. 



Bonner, J. B., and A. W. Galston: Principles of Plant Physiology. San Francisco, 

 W. H. Freeman & Co., 1952. Excellent account of photosynthesis. 



Fairchild, D.: The World Was My Garden. New York, Charles Scribner's Sons, 1938. 



The world travels of a naturalist who traced plants to their original homes and 



established valuable ones in this country. 

 Martin, A. C, H. S. Zim, and A. L. Nelson: American Wildlife and Plants. New York, 



McGraw-Hill Book Co., 1951. A guide to the food habits of wildlife: the use of 



trees, shrubs, and smaller plants by the birds and mammals of the United States. 



It brings together the major research of the United States Fish and Wildlife Service 



on American wildlife in relation to plants. 



Platt, R.: This Green World. New York, Dodd, Mead and Co., 1946. Includes a highly 

 interesting and intelligible explanation of autumn coloration of deciduous trees. 

 A book to own. 



Platt, R.: Our Flowering World. New York, Dodd, Mead and Co., 1947. Chapters 

 5 through 12 describe the adversities that plants have survived through the ages: 

 The Coal Age, Drifting Continents and the Ice Age. Vivid descriptions tell how 

 the trees and flowers of today have traveled to their present locations. 



5. Animals and Their Environments 



Allee, W. C, and K. P. Schmidt: Ecological Animal Geography, 2nd ed. New York, 

 John Wiley & Sons, 1951. Animals in their environments, giving about equal space 

 to sea, fresh water and land. Effect of civilization on the distribution of animals. 



Carson, R. L.: The Sea Around Us. New York, Oxford University Press, 1951. Among 

 the chapters are: The Birth of an Island; Wind, Sun and the Spinning of the Earth. 

 Brief, searching accounts that create a consciousness and vision of the sea. 



Clarke, G. L.: Elements of Ecology. New York, John Wiley & Sons, 1954. Excellent. 



CoTT, H. B.: Adaptive Coloration in Animals. New York, Oxford University Press, 

 1941. An inclusive reference book with many illustrations. 



MacGinitie, G. E., and N. MacGinitie: Natural History of Marine Animals. New 



