CONTENTS. 



PAGE 



Note to Second Edition 1 



Introduction ........ -4 



Synopsis of Orders and List of Genera ... 2] 

 Descriptions of Genera and Species . . . .25 



Additional List of Synonyms ..... 263 



List of Species to be Discarded .... 268 



Bibliography . . . . . . . .271 



Glossary ......... 279 



Index ........ . 281 



Index of Plates ........ 301 



