CONTENTS. XI 



PAGE 



Of Phyllopoda ... . .143 



OfDecapoda 144 



Of Amphipoda . 144 



Of Arachnida 144 



OfMyriapoda 145 



Oflnsecta 145 



OfMollusca 145 



OfBryozoa 145 



OfSalpidse . 145 



Of Lamellibranchiata . . . . . .145 



Of Cephalophora . 146 



OfPteropoda 146 



Of Gasteropoda 146 



OfHeteropoda 147 



Of Cephalopoda . . . . . . .147 



Of Pisces. . . . 147 



OfReptilia 148 



Of Aves ......... 148 



Of Mammalia . . 148 



Structure of the Spermatozoa . . . . . . . 149 



Movements of the Spermatozoa ...... 151 



Development of the Spermatozoa . . . . . .152 



Vessels and Nerves of the Testis . . . . . .162 



CHAPTER XXV. 



OVARY AND PAROVARIUM. 

 BY W. WALDEYER. 



General Structure of the Ovary . . . . . .164 



Stroma of the Ovary 168 



Vessels of the Ovary 171 



Nerves of the Ovary ....... 171 



Structure of Graafian Follicle 172 



Theca Folliculi 172 



Tunica Fibrosa 172 



Tunica Propria . . . . . . .172 



Liquor Folliculi . . . . . . .173 



Discus Proligerus . . . . . . .174 



