XIV CONTENTS 



Results of Selection 295 



Sexual Reproduction 299 



CHAPTER XII 



OENOTHERA AND THE MUTATION THEORY 



The Mutants of Oenothera Lamarckiana 308 



Chromosome Aberrations of Oenothera 310 



Gametic and Zygotic Lethals 312 



Pseudo-mutations by Crossing-over 316 



Bibliography 321 



Index 353 



