Table of Contents 



PAGE 



Preface vii 



General Considerations and the Collecting of Pselaphidae ... 1 



Preparation of Pselaphidae for Study 8 



Taxonomic and Morphological Considerations 12 



Key to the Tribes of Neotropical Pselaphidae 31 



Subfamily Pselaphinae 34 



Division I. Brachyscelia 35 



Tribe 1. Faronini 35 



2. Pyxidicerini 37 



3. Jubinini 38 



4. Euplectini sensu latiore 63 



5. Brachyglutini 122 



6. Metopiini 204 



7. Batrisini 214 



8. Tychini 260 



9. Goniacerini 283 



Division II. Macroscelia 286 



Tribe 10. Pselaphini 286 



11. Holozodini 288 



12. Hybocephalini 289 



13. Ctenistini 291 



14. Tyrini 295 



15. Arhytodini 343 



16. Attapseniini 348 



Subfamily Clavigerinae : Tribe 17. Clavigerini 350 



The Undescribed Species of Motschulsky 359 



zoogeographic and statistical considerations 360 



Abstract 378 



Bibliography 381 



General Index 389 



Index to Plates 407 



( vii ) 



56051 



