INDEX 



329 



Neamtodes 21, 22, 92, 291, 292, 



316-321 



Nemobius sylvestns 97 

 Nephelis 29, 31 

 Nephridia of earthworm 10 

 Nephrostomes, frog 276 

 Neritina fluviatilis 236 

 Nervous system, cockroach 86-88 



crayfish 58-65 



frog 267-274 



mussel 182-184 



snail 223 



Newts 296-301, figs. 50, 51 

 Notochord 267 

 Notocotyle verrucosum 310 

 Nyctotherus 92, 290 



Octolasium gen. et 1 sp. 44, 45 

 Ocypus 21 

 Odonata 99 

 Omohyoid muscle 264 

 Opalina 290 

 Ortlietrum et 2 sp. 115 

 Orthoptera, British 92 et seq. 

 Otoconia, snail 225 

 Otocyst, Anodonta 182, 183 



of crayfish 60 et seq. 



snail 225 



Otolith, Anodonta 183 

 Ovary, cockroach 90 



crayfish 66 



earthworm 15 



frog 278, fig. 47, 279, 282 



mussel 185 



snail 226 



Ovatella bidentata 239 

 Oxygastra curtisii 116 

 Oxyuris 92 



Palamon 60 

 Palmate newt 301 

 Paludestrina gen. et 5 sp. 236 

 Paliidina vide sub vivipara 

 Paranais gen. et 1 sp. 34 

 Parasites, cockroach 92 



of domestic animals 302-321 



of earthworm 20 



of wasps 155-159 

 Paste-worms 321 

 Pearls 164, 198-200 

 Pedal gland 225 



Pegomyia inanis 147, 155, 156 

 Pelodera pellio 22 

 Periganglionic glands 271, 274 

 Periplaneta 71 et seq. 



americana 95 

 Petrohyoid muscles 265 

 Physa, locomotion 214 



fontinalis 238 

 Phytia myosotis 239 

 Pisidium definition of genus and 



4 sp. 203 



Plagistoma blattarum 92 

 Planorbis 32 ; gen. et 11 sp. 238, 

 239 



blood of 222 



contortus 291 



corneus 310 



locomotion 214 

 Platyc hints 79 

 Platychnemis pennipes 121 

 Platycleis brachyptera 97 



grisea 97 



Pollen brushes of bee 78 

 Polystomum integerrimum 290 

 Pomatias elegans 236 

 Pompilidce 75 

 Porospora gigantea 69 

 Poultry, round-worms of 320, 321 



tape-worms of 315 

 Pristina gen. et 2 sp. 36 

 Proglottis 311 

 Protozoa 302 



Pseudamnicola anatina 236 

 Pulex serraticeps 313 

 Pulvillus 79 

 Punctum 242 

 Pupa vide sub Jaminia 

 Pupidce vide sub Vertiginidce 

 Py rails farinalis 315 

 Pyramidula 242 

 Pyrrhosoma et 2 sp. 120 



Rabbit 302, 313 



tapeworms of 315, 316 

 Radula 216, 218, figs. 40, 41 

 Eana esatlenta 292 



temporaria 246 

 Eat 92 



tapeworms of 315 

 Recuperative powers of earthworm 

 19 



