Dahlberg, A.A.: The Dentition of the American Indian. The Physical Anthropology of the American Indian, New York, 1949, The Viking Fund, Inc., p. 138.
2.
Hunt, H.R., Hoppert, C.A., and Rosen, S.: Genetic Factors in Experimental Rat Caries. Advances in Experimental Caries Research, Am. A. Adv. Sc., Washington , 1955.
3.
Paynter, K.J. , and Grainger, R.M.: The Relation of Nutrition to the Morphology and Size of Rat Molar Teeth, J. Canad. D. A. 22: 519, 1956.
4.
Reid, D.B.W. , and Grainger, R.M.: Variations in the Caries Susceptibility of Children's Teeth, J. Human Biol. 27: 1, 1955.
5.
Kifer, P.E., Hunt, H.R., Hoppert, C.A., and Witkop, C.J.: A Comparison Between the Widths of the Fissures of the Lower Molars of Caries-Resistant and Caries-Susceptible Albino Rats, J. D. Res. 35: 620, 1956.
6.
Jarrett, M., Grainger, R.M., Paynter, K.J., and Nikiforuk, G.: The Role of the Dental Health Director in Development and Implementation of Caries Control Measures, J. Canad. D. A. (In press.)
7.
Shaw, J.H.: Nutritional Influences Upon Oral Diseases, .7. Canad. D. A . 23: 50!), 1957.
8.
Dobzhansky, T.: The Concept of Heredity as It Applies to Man, Columbia University Forum1: 24, 1957.
