CONTENTS 



Page 



Introduction 1 



Materials and methods i 



Spawning season 4 



Description of the ovaries and eggs 5 



Variations among ovaries of different species of Sebastodes 5 



The live-bearing trait in fishes 8 



Eggs of oviparous scorpaenids 8 



Artifactual and natural aberrations among eggs in Sebastodes 9 



Description of the testes 10 



Conclusions 1 1 



Literature cited 12 



111 



