1．The Biochemical Basis of Human Heredity＆H．Bentley Glass，Ph．D 1
2．Genetic Criteria in Dental Research＆James V．Neel，M．D 17
3．Inherited Disorders of Metabolism＆James B．Wyngaarden，M．D 27
4．Dental Problems of a Heritable Nature＆Carl Jacob Witkop，Jr．，D．D．S．，M．S 42
5．Areas of Research in Dental Genetics＆Bertram S．Kraus，Ph．D 57
6．The Role of Statistics in Dentistry＆William J．Schull，Ph．D 70
7．Application of Twin Studies to Dental Research＆Richard H．Osborne，Ph．D 79
8．Twin Studies of Dental Caries＆Harold O．Goodman，Ph．D 92
9．Genetic Considerations in Dental Anthropology＆Coenraad F．A．Moorrees，D．D．S 101
10．Genetic Aspects of Evolution of the Human Dentition＆Albert A．Dahlberg，D．D．S 113
11．Developmental Disturbances＆John T．Gentry，M．D．，M．P．H 121
12．Experimental Analysis of Developmental Disturbances＆F．C．Fraser，Ph．D．，M．D 129
13．Physiologic and Genetic Aspects of Hemostasis＆William P．Webster，D．D．S．，and John B．Graham，M．D 135
14．Genetic Factors in Ectodermal Dysplasia＆George W．Greene，Jr．，B．S．，D．D．S 161
15．Some Genodermatoses of Interest to the Dental Profession＆Frederick D．Malkinson，M．D．，D．M．D 171
16．Hereditary Factors in Relation to Dental Caries and Congenitally Missing Teeth＆Hans Grahnén，L．D．S．，Dr．Odont 194
17．The Inheritance Factor in Dental Caries in Rats (Rattus norvegicus)＆H．R．Hunt，Ph．D．，C．A．Hoppert，Ph．D．，and S．Rosen，Ph．D 205
18．Dentin and Enamel Anomalies＆Sidney B．Finn，D．M．D．，M．S 219
19．Dentin and Enamel Anomalies：Histologic Observations＆Einar Hals，Ph．D 246
20．Genetic Disturbances of the Skeleton＆Harry Sicher，M．D 261
21．Bone and Connective Tissue＆Harold F．Falls，M．D 265
22．The Genetics Program in Danish Dental Education＆P．O．Pedersen，L．D．S．，Dr．Odont．，and Ove．Frydenberg，Dr．Med 275
23．Genetics in the Dental Curriculum＆Roscoe D．Hughes，Ph．D 281
INDEX 289