CONTENTS Introduction................... 3 1. On Labus Saussure and a related new genus......... 5 Labus Saussure................. 5 Cyrtolabus gen. n.................. 11 2. On Pareumenes Saussure and related genera......... 14 Pareumenes Saussure................ 16 Pseumenes Giordani Soika.............. 25 Ectopioglossa Perkins............... 29 Nortozumia van der Vecht.............. 39 Pseudozumia Saussure............... 41 Coeleumenes gen. n................. 45 3. On Anterhynchium Saussure and some related genera....... 57 Allorhynchium gen. n................. 58 Anterhynchium Saussure............... 73 Subg. Anterhynchium Saussure............. 74 „ Dirhynchium subg. n.............. 77 „ Epiodynerus Giordani Soika............ 88 Pararrhynchium Saussure............... 94 Orancistrocerus gen. n................ 99 Rhynchium Spinola................. 109 4. A new genus for Rhynchium nitidulum (Fabricius)....... 111 Xenorhynchium gen. n................ 111 Literature.................... 113 Index..................... 114