XVI CONTENTS. 



mata — Pedipalpi — Araneida — General characters of the Myri- 

 opoda — Distribution of Myriopods in space and time — Proto- 

 syngnatha — Chilopoda — Archipolypoda — Uiplopoda — Litera- 

 ture of Arachnida and Myriopoda, 572-586 



CHAPTER XXXII. 



General characters of the Insecta — Distribution of the Insecta in 

 time — Apterous Insects — Palseodictyoptera— Rhynchota — Or- 

 thoptera — N europtera — Aphaniptera — D iptera — Lepidoptera — 

 Hymenoptera — Strepsiptera — Coleoptera, .... 587-602 



CHAPTER XXXIII. 



General characters of the Molluscoidea — General characters of the 

 Polyzoa — Structure of the skeleton in the Polyzoa — Classifica- 

 tion of the Polyzoa — Distribution of the Polyzoa in time — Gen- 

 eral characters of the Cyclostomatous Polyzoa — Distribution of 

 Cyclostomata in time — Characters and distribution of the chief 

 groups of Cyclostomata — General characters of the Cheilosto- 

 matous Polyzoa — Characters and geological distribution of the 

 chief families of Cheilostomata, 603-639 



CHAPTER XXXIV. 



General characters of the Brachiopoda — Distribution of the Brachi- 

 opoda in space and in time — Characters of the Inarticulata — 

 Characters and geological distribution of the Families of Inarti- 

 culated Brachiopods — Characters of the Articulata — Characters 

 and geological distribution of the Articulated Brachiopods — 

 Literature, . . . 640-679 



CHAPTER XXXV. 



General characters of the Mollusca — Classification of the Mollusca 

 — Distribution of the Mollusca in space and in time — Gen- 

 eral characters of the Lamellibranchiata — Structure of the shell 

 of Lamellibranchiates — Distribution of Lamellibranchs in space 

 —Classification of the Lamellibranchs — Distribution of the La- 

 mellibranchs in time, 680-693 



CHAPTER XXXVI. 



Divisions of the Lamellibranchiata— Ostreacea — Pectinacea — Myti- 

 lacea — Arcacea — Submytilacea — Erycinacea — Cardiacea — Cha- 

 macea — Conchacea — Myacea — Adesmacea — Lucinacea — Telli- 

 nacea — Anatinacea, 694-752 



