9 
Margadillius Hopkins Ins. 147 
Mastomys Thomas Mam. 41 
Mayerina Silvester Pisces 16 
Mecorchesia Broun Ins. 136 
Mecosargon Broun Ins. 143 
Megacephalus Bertoni Aves 63 
Megachilochalcis Oirault Ins. 178 
Megalamphodus Eigenmann Pices 14 
Megalurothrips Bagnall Ins. 267 
Megapariopsis Townsend Ins. 246 
Megaquedius Casey Ins. 114 
Megarthroglossus Jordan & Rothschild 
Ins. 253 
Megasomimus Casey Ins. 124 
Megaustenia Cockerell Moll. 41 
Megempleurus Sharp Ins. 112 
Melinocera Townsend Ins. 246 
Memnemyia Strickland Ins. 234 
Meneptila Meyrick Ins. 221 
Merclina Iredale Moll. 35 
Meripherellus Lea Ins. 143 
Meripherinus Lea Ins. 143 
Mermeristis Meyrick Ins. 221 
Mesembrinocis Lea Ins. 143 
Meseusandaluin Girault Ins. 178. 
Meshemipteron Cockerell Ins. 254 
Mesopalaeaster Schuchert Echin. 23 
Mesosciurus Allen Mam. 40 
Mesotelphusa Roux Crust. 18 
Mestoeharomyia Girault Ins. 178 
Metabiantes Roewer Arachn. 25 
Metacrobunus Roewer Arachn. 25 
Metadaeum Roewer Arachn. 25 
Metadampetrus Roewer Arachn. 25 
Metadenfcobunus Roewer Arachn. 25 
Mefcadinarthrum Martynov Ins. 225 
Metalabis Burr Ins. 271 
Metallidascillus Pic Ins. 128 
Metallonella Girault Ins. 178 
Metallonoidea Girault Ins. 178 
Metamosoia Roewer Arachn. 25 
Metanuncia Roewer Arachn. 25 
Metaphalangodella Roewer Arachn. 25 
Metapodoctis Roewer Arachn. 25 
Metarhoptrum Rehn & Iiebard Ins. 274 
Metasclera Broun Ins. 137 
Metascotolemon Roewer Arachn. 25 
Metasesostris Roewer Arachn. 25 
Metasidama Roewer Arachn. 25 
Metastenoides Girault Ins. 178 
Metatheba Hesse Moll. 42 
Metavoria Townsend Ins. 246 
Metibalonius Roewer Arachn. 25 
Metopeurum Mordvilko Ins. 262 
Metopomuscopteryx Townsend Ins. 246 
Metopotachina Townsend Ins. 246 
Metranura Brady Crust. 25 
Mexicobius Chamberlin Myr., Arachn. 34 
Micraetus Bertoni Aves 58 
Micraonychus Lea Ins. 143 
Microamarygmus Pic Ins. 134 
Microcephalus Romanovitch Verm. 31 
Microcerion Dan Moll. 44 
Microconomma Roewer Arachn. 25 
Microlophium Mordvilko Ins. 262 
Micronychiops Townsend Ins. 246 
Microplagia Townsend Ins. 246 
Microrhogas Szepligeti Ins. 169 
Microrutilia Townsend Ins. 246 
Microschemobrycon Eigenmann Pisces 
14 
Microsciasma Townsend Ins. 246 
Microtaeniella Calkins Prot. 34 
Microtetrameres Travassos Verm. 31 
Microtrema Kobayashi Verm. 23 
Microtrogon Bertoni Aves 63 
Microzalias Mathews & Iredale Aves 54 
Mimeoma Casey Ins. 124 
Mimobarathra Barnes & McDunnough 
Ins. 206 
Minca Pearse Crust. 22 
Minerva Shufeldt Aves 58 
Minthoplagia Townsend Ins. 247 
Minthopsis Townsend Ins. 247 
Miobunus Roewer Araclm. 26 
Mirastymachus Girault Ins. 178 
Mirochalcis Girault Ins. 178 
Mirrcncyrtus Girault Ins. 178 
Mirufens Girault Ins. 178 
Mirzagrammosoma Girault Ins. 178 
Miscogasteriella Girault Ins. 178 
Miscogasteromorpha Girault Ins. 178 
Misthosimella Jordan Ins. 148 
Mixobrycon Eigenmann Pisces 14 
Mocella Iredale Moll. 42 
Moczarskia Blattny Ins. 116 
Moerarchis Durrant Ins. 221 
Monacanthobunus Roewer Arachn. 26 
Moniliformis Travassos Verm. 33 
Monobotryllus Oka Prot. 3 
Monoceratias Gilbert Pisces 20 
Monogramma Cholodkovsky Verm. 25 
Mononidia Casey Ins. 124 
Monostcgidea Rohwer Ins. 189 
Montfortula Iredale Moll. 39 
Mordelloscaphium Pic Ins. 117 
Moreauia Johnston Verm. 23 
Moreiriella Leitao Crust. 26 
Morphnosoma Lucnik Ins. Ill 
Morpliotica Meyrick Ins. 221 
Moschosaurus Haughton Rept. 17 
Muizenbergia Hewitt Arachn. 22 
Mungotictis Pocock Mam. 37 
Murexul Iredale Moll. 31 
Muscidea Girault Ins. 178 , 
Muscideoinyia Girault Ins. 178 
Muscideopsis Girault Ins. 178 
Mycterosaurus Willislon Rept. 18 
Myiophthorus Bertoni Aves 65 
Myoceropsis Townsend Ins. 247 
