SYNOPSIS OF THE INTRODUCTION, 



I. THE MALE GENITALIA. 



General Statement. 



A. THE EXTERNAL PART. 



(i) The tenth segment. 



The Uncus. 



The Socii. 



The Gnathos. 



The Anus. 



The Transtilla. 

 (ii) The ninth segment. 



TBe Tegumen. 



The Saccus. 



The Valvse. 



Costa, valvula, sacculus. 



The Harpe. 



TKe Furca. 

 (iii) The eighth segment. 



The Octavals. 



The Cerata and Mappa. 



The Abdominal plate, 

 (iv) The seventh segment. 



The Coremata. 



B. THE INTERNAL PART. 



(v) The Penis. 



The ^Edoaagus. 

 The Anellus. 

 The Juxta. 

 The Cristae. 

 The Anellus lobes. 

 The Calcar. 

 The Canaliculus. 

 The Manica. 



