



^^\ *^ /^/ 



CONTENTS 



Page 



Preface vii 



Chapter 



1. The Early Embryology of the Mouse — George D. Snell . . i 



2. Reproduction — George D. Snell 55 



3. Histology — Elizabeth Fekete 89 



4. Spontaneous Neoplasms IN Mice — Arthur M. Cloudman. . . 168 



5. Gene and Chromosomes Mutations — George D. Snell .... 234 



6. The Genetics of Spontaneous Tumor Formation — C. C. Little 248 



7. The Genetics of Tumor Transplantation — C. C. Little . . 279 



8. Endocrine Secretion and Tumor Formation — George W. 



Woolley 310 



9. The Milk Influence in Tumor Formation — John J. Bittner 321 



10. In-bred and Hybrid Animals and Their Value in Research — 



W. Lawson Russell 325 



11. Parasites — Walter E. Heston 349 



12. Infectious Diseases of Mice — John H. Dingle 380 



13. Care and Recording — John J. Bittner 475 



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