Part 81

INDEX TO GENERAL SUBJECTS.

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Abdomen, xiii Adaptive characters, xvi Air-tubes, ix Alpine Lepidoptera, colours of, xv Anastomosis, xii Antennæ of imago, x " of larva, ix Apex of wing, xii Arctic Lepidoptera, colours of, xv

Base of wing, xi Biliary vessels of imago, xiii " " of larva, x Bi-pectinated, x Butterflies, 101

Cæcum, xiii Caterpillars, ix Classification, xvi Clavate intestine, x Coincidence of veins, xii Colon of imago, xiii " of larva, x Concurrence of veins, xii Connection of veins, xii Contrast colours, xv Costa, xi Coxa of imago, xiii " of larva, ix Crown, x

Digestive system of imago, xiii " " of larva, x Divergence of character, xiv Dorsum, xi

Ecdysis, x Egg, ix Eyes, compound, x " simple, x

Face, x Fasciculate-ciliated, xi Femur of imago, xiii " of larva, ix Filiform, xi Frenulum, xii

Geographical distribution, xix

Haustellum, xi Head, x

Ilium of imago, xiii " of larva, x Imago, x Inheritance, xiv

Jugum, xii

Labium of imago, xi " of larva, ix Labrum of imago, xi " of larva, ix Larva, ix Legs of imago, xiii " of larva, ix Lepidoptera, descent of, xvii " arrangement of, xviii

Mandibles of imago, xi " of larva, ix Maxillæ of imago, xi " of larva, ix Mimicry, xv

Natural selection, xiv Neuration, xii

Obsolescence of veins, xii Ocelli, x Oesophagus of imago, xiii " of larva, x Ornamental colouring, xv

Palpi, labial, of imago, xi " " of larva, ix " maxillary, of imago, xi " " of larva, ix Pectinated, x Præcostal spur, xii Proboscis, xi Prolegs, ix Protective resemblance, xiv Pseudoneuria, xii Pubescent, xi Pupa, x

Retinaculum, xii

Salivary vessels, xiii Serrate, xi Sexual selection, xvi Species, origin of, xiii Spinneret, x Spinning vessels, x Spiracles, ix Stalking of veins, xii Struggle for existence, xiv Sucking stomach, xiii "Survival of the Fittest", xiv

Termen, xi Tibia of imago, xiii " of larva, ix Tongue, xi Tornus, xii

Unipectinated, x

Variation, xiii "Vegetable caterpillar", 132 Veins of wings, xii Ventriculus of imago, xiii " of larva, x

Warning colours, xv Wings, xi

SPECIAL INDEX.

Names of Groups are printed in capitals (CARADRININA, &c.). " Families, in small capitals (ARCTIADÆ, &c.). " Sub-families, in sanserif italic (Poliades, &c.). " Genera, in roman beginning with a capital (Agrotis, &c.). " Species, in roman (annulata, &c.). " Synonyms, in ordinary italic (doubledayi, &c.).

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abrogata, 55 absconditaria, 60 acceptrix, 18 acetina, 7 acidaliaria, 77 acontistis, 11 acroiaria, 80 acutata, 76 admirationis, 31 adonis, 63 ægrota, 64 Agrotis, 30 agrionata, 40 agorastis, 18 alcyone, 24 alectoraria, 80 alopa, 12 anceps, 69 anguligera, 47 angusta, 18 annulata, 2 Anosia, 102 antarctica, 42 anthracias, 67 antipoda, 10 antipodaria, 87 antipodum, 110 aquosata, 41 arachnias, 23 archippus, 102 ARCTIADÆ, 1 ardularia, 57 arenacea, 87 argentifera, 35 Argyrophenga, 110 arida, 50 aristarcha, 85 aristias, 42 armigera, 32 arotis, 12 Asaphodes, 54 asterope, 24 Asthena, 52 astrapia, 82 assata, 55 atalanta, 120 atristriga, 10 atronivea, 95 attracta, 86 auge, 104 aulacias, 12 Azelina, 92

beata, 63 bicomma, 7 bilineolata, 41 bisignata, 47 Bityla, 29 blenheimensis, 13 boldenarum, 118 bolina, 104 boreophilaria, 88 brephos, 75 brephosata, 75 bryopis, 62 bulbulata, 68 butleri, 115