CONTENTS OF VOLUME II. 



Phylum V. Mollusca (Continued) i 



Class Conularida i 



Literature, i. Artificial Key to the Genera, i. Family 

 Hyolithidae, 2. Family Torellellidae, 7. Family Tentaculitidae, 

 10. Family Conularidae, 12. 



Class Pteropoda 15 



Class Cephalopoda 16 



Literature, 26, Artificial Key to the Genera, 27. Subclass 

 Tetrabranchiata, 39. Order Nautiloidea, 39. Suborder Pro- 

 tochoanites, 39. Suborder Holochoanites, 39. Suborder Ortho- 

 choanites, 47. Suborder Cyrtochoanites, 113. Order Am- 

 monoidea, 133. Clymenida, 133. Bactritida, 134. Agoniatitida, 

 135. Manticoceratida, 136. Aganidida, 138. Glyphioceratida, 

 141. Popanoceratida, 145. Prolecanitida, 147. Nannitida, 

 150. Pinacoceratida, 151. Ceratitoidea, 152. Tropitoidea, 

 160. Arcestida, 162. Phylloceratida, 164. Haploceratida, 166. 

 Scaphitida, 176. Arietida, 183. Dactylioida, 184. Morpho- 

 ceratida, 189. Acanthoceratida, 193. Mantelliceratida, 194. 

 Ancyloceratida, 198. Placenticeratida, 212. Mammitida, 222,. 

 Subclass Dibranchiata, 229. Order Belemnoidea, 229. 

 Belemnitida, 229. Order Sepioidea, 22,3. Sepiophorida, 233. 



Phylum VI. Annulosa 234 



Class Annelida 234 



Literature, 234. Order Polychseta, 235. Suborder Tubicola, 

 235. Suborder Errantia, 240. Annelid Jaws and Conodonts, 

 240. Trails, 245. Worm Burrows, 246. Of Doubtful Affini- 

 ties, 247. 



Phylum VII. Arthropoda 250 



Class Crustacea 250 



Subclass Trilobita 250 



Literature, 252. Artificial Key to the Genera, 252. Order 

 Hypoparia, 256. Order Opisthoparia, 260. Order Proparia, 

 314- 



Subclass Phyllopoda 330 



Literature, 330. Order Branchiopoda, 330. 



