104 



INDEX. 



Margarita catenata 



Measles 



Medusae 



Melanism in insects 



PAGE 



... 87 



... 39 



52, 65 



79 



Meldola, Prof. E., on Melanism 79 



Melitcea artemis ... ... ... 43 



athalia 43 



Mimicry 3, 4 



MoUusca 21 



colouration in ... ... 85 



Monstrosities, antipathy to ... 32 



Morphines 72 



Morpho 4 



Murex ... ... ... ... 86 



Muscles of insects 71 



Nectarinea chloropygea 90 



Newman, Mr., on varieties of 



butterflies 77 



Newts 89 



Nitzsch on feather- tracts ... 91 



Nudibranchs ... ... ... 85 



Nymphalidce 74 



Oak Egger Moth 



Ocelli 



Ocelot 



Oliva 



Opaque colouring 



Organ-pipe coral 



Origin of animals and plants 



species ... 



Orthopoacilism 



Oxen 



30 

 47 

 93 

 86 

 53 

 54 

 36 

 1 



78 

 94 



Painted Lady Butterfly 



... 68 



12 



79 



43, 68, 76, 78 



larva of 81 



30, 76, 80 



14 



podalirius 43 



Paradisea Papuana ... 90 



Papilio Ajax 

 machaon 



merope 



nireua 



Paradiaea regia 



speciosa ... 



Wallacei 



Wilsoni . . . 



Pavetta Borlonica ... ... 



Pecten ... ... ... 



Pelargonium ... ... 



Perch 



Personal identity ...... 



Physalia ... ... ... ... 63 



PAGE 

 90 

 90 

 90 



90, 91 

 .. 96 

 .. 86 

 .. 96 

 88 

 .. 10 



caravilla 



pelagica ... 



utriculus.,. 



64 



64 



64 



PhysophoridcB ... ... ... 63 



Plaice 88 



Plants and animals, origin of ... 36 



colour in ... ... ... 95 



Pneumatophores ... ... ... 63 



Portuguese Man o' War 63 



Protective resemblance ... ... 3 



Protista ... 34 



Protozoa 20 



colouration in ... 51, 56 



Python 89 



Radiolaria ... ... ... ... 57 



Earity of uniform colour 28 



Eay Lankester, Prof., on Asci- 



dians 35 



Eed Admiral Butterfly 29 



Eepetition, effects of ... ... 8 



Eeptilia, colouration in 89 



Eesemblance, Protective 3 



Rhizophora filiformis ... ... 64 



Mhizopoda ... ... ... ... 55 



Ehododendron 96 



Einglet Butterflies, eye-spots of... 47 



Eoach ... .. 88 



Eomanes, Prof., cited ... 33, 34 



Satyrus hyperanthus 79 



Scales of insects, structure of . . 72 



Scarlet Tiger Moth 5 



Sea anemones ... 52 



colours of ... 67 



