INDEX TO NAMES 
OF 
NEW GENERA AND SUBGENERA 
INCLUDING NEW NAMES FOR GENERA PREVIOUSLY ESTABLISHED 
RECORDED IN THIS VOLUME FOR 1921. 
The total number of names in this index is 1,540, distributed as follows, 
viz. : — Protozoa 60, Porifera 5, Coelenterata 51, Echinoderma 58, Vermes 162, 
Brachiopoda 6, Bryozoa 30, Mollusca 68, Crustacea 24, Arachnida 87, 
Insecta 872 (of these Coleoptera are 177, Hymenoptera 58, Lepidoptera 104, 
Diptera 168, Hemiptera 197, Orthoptera 99 and minor orders 69) ; Prochor- 
data 2, Pisces 41, Reptilia 30, Aves, 29, Mammalia 15. The total for the 
previous volume was 1,632. 
Ablectia Sjostedt Ins. 264 
Acaeroplastes Verhoe ff Crust. 20 
Acallurothrips Bagnall Ins. 252 
Acanthachryson Bruch Ins. 138 
Aeanthonchus Cobh Vermes 17 
Acanthoconops Kieffer Ins. 213 
Acantholeria Qarrett Ins. 237 
Acanthomyites Cockerell Ins. 233 
Acanthopteroctetes Braun Ins. 200 
Acanthotrypella V. de Regny Bryo. 10 
Acanthotrypina V. de Regny Bryo. 10 
Acarapis Hirst Arachn. 20 
Acarophenax Newstead Duvall 
Arach. 20 
Acatochaeta Enderlein Ins. 237 
Acegima Poppius Ins. 242 
Ac.entropoclanis Strand Ins. 177 
Acerentuloides Ewing Ins. 270 
Acourtia Cockerell Ins. 157 
Acraologa Meyrick Ins. 201 
Acrataula Meyrick Ins. 201 
Acrogonyleptes Roewer Arachn. 16 
Acrolusia Lambert Ecbin. 10 
Acromitoides Stiasny Coelen. 9 
Aoronyches Hermann Ins. 228 
Acrorhabdus Stensio Pisces 16 
Acrothrips Iiarny Ins. 252 
Actigia Stechow Coel. 7 
Aetinonema Cobb Vermes 17 
Acutibaeus Meunier Ins. 162 
Adenapogon McCulloch Pisces 19 
A denod ia Dali Moll. 43 
Adreppus Sjostedt Ins. 264 
(n- 17041 t ) q 
Aelotrocha Meyrick Ins. 201 
Aeopsis Mortensen Echin. 10 
Aerochoreutes Rehn Ins. 264 
Aethiopomyia Malloch Ins. 233 
AfTirmaspis MacQillivray Ins. 246 
Africaspis MacQillivray Ins. 246 
Aganactesis Dyar Ins. 197 
Agaporomorphus Zimmermann Ins. 108 
Agrionympha Meyrick Ins. 201 
Agrostithassa Jacobson Ins. 140 
Alaimclla Cobb Vermes 17 
Alaimonema Cobb Vermes 17 
Alaplena Jones Ins. 195 
Albastaspis MacQillivray Ins. 246 
Alecanium Morrison Ins. 246 
Alexomyia Felt Ins. 211 
Allaeompsus Kleine Ins. 137 
Allecbola Rergioth Ins. 239 
Allochromus Marshall Ins. 160 
Allogonyleptes Roewer Arach. 16 
Allognathosuchus Mook Rept. 24 
Allomorphura Silvestri Ins. 269 
Allomycterus McCulloch Pisces 22 
Alloparasitus Berlese x\rachn. 19, 20 
Allostenopsis Bernhauer Ins. 109 
Allots ny tarsus Kieffer Ins. 213 
Ambigaspis MacQillivray Ins. 246 
Amblesthidopsis Aurivillius Ins. 138 
Amecystis TJlrich <Ss Kirk Echin. 18 
Americoccus MacQillivray Ins. 246 
Ametrochaspis MacQillivray Ins. 246 
Ammomyia Stein Ins. 233 
Amoebaleria Garrett Ins. 237 
• c 14 
