VIU CONTENTS. 



LECTURE XII. 



Page 



Annulata. -------- 248 



LECTURE XIII. 

 Epizoa and Cirripedia _----- 266 



LECTURE XIV. 

 Crustacea -------- 296 



LECTURE XV. 

 Crustacea -------- 314 



LECTURE XVI. 

 Insecta -------- 344 



LECTURE XVIL 

 Insecta .------- 372 



LECTURE XVIII. 

 Generation of Insects - - - - - - 387 



LECTURE XIX. 

 Arachnida -------- 442 



LECTURE XX. 

 TuNiCATA, Brachiopoda - - - - - - 469 



LECTURE XXL 

 Lamellibranchiata ------- 503 



LECTURE XXII. 

 Pteropoda and Gastropoda - - - - _ 535 



LECTURE XXIII. 

 Cephalopoda ------- 575 



LECTURE XXIV. 

 Cephalopoda ------- 603 



Works reperred to by Roman Numerals in the Present Volume 653 

 Glossary - - - -- - - - 667 



Index --------- 682 



