INDEX 



Abraxas grossulariata 87 

 Acanthinula 242 

 Acicula lineata 237 

 Acroloxus lacustris 237 

 Adrenal bodies 277 

 JEolosoma gen. et 6 sp. 33 

 JEolosoinatidce family 33 

 jEschna et 6 sp. 117, 118 



cyanea, figure of metamorphosis 



108, 109 



jEschnida 112, 116-118 

 Agriolimax gen. et 2 sp. 245 

 Agrion et 3 sp. 121, 122 

 Agrionidae 119-122 

 Alar cartilages 265, 266 

 Alary muscles 86 

 Allolobophora subgen. et 4 sp. 42, 43 



fcetida 315 

 Allurus syn. 41 

 Ammophila hirsuta 134, 153 

 Amoeboid corpuscles 257 

 Amphipeplea glutinosa 238 

 Amphistoma subclavatum 291 

 Anagrus incarnatus 103 

 Anax imperator 117 

 Anchylostoma 318 

 Ancylus ftuviatilis 237 

 Andrya 316 

 Anisolabis annulipes 93 



maritima 93 

 Anisopterides 112, 113 (fig. of 



wings) 



Anodonta, action of chief muscles 

 171 



circulation 178-181 



contents of alimentary canal 174 



crystalline style 176-178 



Anodonta cygnea 162-204 



development 184-196 



endurance of frost 196 



excretion 181 



food and digestion 173-178 



genus, definition of 203 



" liver ", action of 175 



locomotion 169-172 



muscular impressions 165 (fig. 

 29), 166 



nervous system 182-184 



parasites of 197 



post-parasitic young 195 



rate of growth 163 



rate of progression 169 



reproduction 184 sq. 



respiration 178-181 



structure of shell 164 



turgescence of foot 172 

 Anopheles maculipennis 133 

 Antenna-comb of wasp 77 

 Antennae, functions of in cock- 

 roach 87 

 Anura 292 



Aplecta Tiypnorum 238 

 Apterygida albipennis 93 



arachidis 93 

 Arion gen. et 6 sp. 245 



ater 212, 229, 230 

 Ascaris 22 



columbce 321 



lumbricoides 316 



megalocephala 316 



nuptax 319 

 Asopia farinalis 315 

 Aspidogaster 198 

 Assemania grayana 236 



212 



