TABLE OF CONTENTS 



IX 



CHAPTER VI 



GYNANDR0M0RPHI8M, HER^IAPHRODITTSM, 

 PARTHENOGENESIS, AND SEX 



1. Gynandromorphism 



2. Hermaphroditism . 



3. Parthknogenesis . 



4. Artificial Parthenogenesis 



I'AfiK 



1(51-167 

 167-173 

 173-188 

 188-193 



CHAPTER VII 



FERTILITY 



1. Inbreeding 



2. Cross-breeding ..... 



3. Sexual Reproduction in Paramcecium 



4. Theories of Fertility 



194-199 

 200-207 

 207-211 

 211-219 



CHAPTER VIII 



SPECIAL CASES OF SEX-INHERITANCE 



1. Sex in Bees 



2. A Sex-linked Lethal Factor . 



3. Non-disjunction of the Sex-chromosomes 



4. The Vanishing Males of the Nematodes 



5. Sex-ratios in Hybrid Birds and in Crossed 



Races in Man 



6. Sex-ratios in Frogs 



7. Sex-ratios in Man 



8. The Abandoned View 



Determine Sex 



9. Sex-determination in Man 



I'HAT External Condi 



BIBLIOGRHAPHY 

 INDEX 



noNS 



220-221 

 221-223 

 223-224 

 224-225 



225-227 

 228-229 

 229-232 



232-236 

 236-249 



251-278 

 279-282 



