INDEX OF ILLUSTRATIONS 



(The numbers are those of figures, not pages) 



Abdominal segment 10 



Aeschna, anal apps. of British spp. 170 ; 

 anal triangles of do. 171; chordo- 

 tonal organs 70; heart 71; John- 

 ston's organ 65 ; mating position 13 ; 

 midgut 49 ; sensilla 66 ; supracoxal 

 armature 180; taste organs 68 



Aeschna brevistyla, alimentary canal 44 ; 

 anal apps. of larva 39 ; antenna 2 ; 

 copulatory apparatus 96; epipha- 

 rynx 67; gills 79, 80 : 83; hypo- 

 pharynx 69 ; labium 5 ; labrum 67 ; 

 larva 29 ; larval wing-tracheation 

 17; leg of larva 34; mandible 3; 

 mask 32 ; maxilla 4 ; median eye-line 

 63; mushroom body 57; nodus 19; 

 pterostigma 18; rectal pad 51; 

 reproductive organs of male 92; 

 sperm -capsule 96 ; tracheal system 

 75 ; thoracic spiracles 73 ; venation 

 Plate II 



Aeschnidium densum, wings 163 



Agriocnemis hyacinthus, coloration 

 Plate III 



Agriocnemis rubricauda, $ figured 

 Plate I 



Agrion, anal apps. of larva 39 ; colora- 

 tion of British spp. 179 



Agrion puella, salivary glands 45 



Agrion pulchellum, wing 148 



Agrionoptera insignis, wings 155 



Alimentary canal 44 



Anal appendages of larvae 39 



Anal appendages of male imago 12, 14, 

 15; mating positions 13, 16 



A nax imperator, wings 172 



Anax papuensis, embryo 112; gills 79, 

 80; gizzard 48; hatching of larva 

 24 ; oviposition 106 



Anomalagrion hastatum, pterostigma 18 



Antennae 2 ; sense organs of 65 



Archithemis brodiei 157 



Argia apicalis, wing 147 



Argiocnemis rubescens, coloration Plate 

 III; gill 84 



Argiolestes, coloration Plate III 



Argiolestes icteromelas, larva 42 ; larval 

 wing-tracheation 22; wing 22 



Auricle 1 1 



Austroaeschna multipunctata, gills 79; 

 gizzard 48 



Austrocnemis splendida, coloration Plate 

 III 



Austrocordulia refracta, gills 80, 82; 

 larva 36; mask 32; wings 127 



Austrogomphus manifestus, larva 186 



Austrogomphus melaleucae, anal apps. 

 14, 15 



Austrogomphus ochraceus, antenna 2 ; 

 gills 79, 80 



Austrolestes, coloration Plate III 



Austrolestes analis, captured by sun- 

 dew 167 ; gizzard 48 ; mask 32 ; 

 mating position 16; pterostigma 18 



Austrolestes cingulatus, gill 84; larva 

 41 ; larval wing-tracheation 17 ; 

 venation Plate II 



Austrolestes leda, brain 55, 56; com- 

 pound eye 58, 62; egg 108; ocelli 

 61; optic ganglion 58 



Austropetalia patricia, ? figured Plate I ; 

 anal apps. 14, 15; auricle 11; egg 

 108; larva 37; mask 32; wings 122 



Austrophlebia costalis, dentigerous plate 

 100; exoskeleton 1 



Azuma elegans. mask 32 



Body-wall 88 



Brachydiplax denticauda, wings 132 



Brachytron hafniense, wings 123 



Brain 55, 56 



Branchial basket 78, 79 



Bristling, method of 183 



Gaconeura solitaria, wing 146 



Caliagrion billinghursti, coloration Plate 

 III; gill 84; gizzard 48; larva 42; 

 larval wing-tracheation 17 ; mask 

 32; venation Plate II 



Calopteryx, embryology 109 



Calopteryx splendens, larval wing-tra- 

 cheation 17; mask 32; pterostigma 

 18; spermatozoon 94; venation Plate 

 II; wing 177 



Calopteryx virgo, larva 40; salivary 

 reservoirs 45 



Caudal gills 84, 85; histology of 86 



Chlorogomphus magnificus, wings 119 



Chordotonal organs 70 



Coloration, central type 114, 116; 

 marginal type 113, 115, 116 



Coloration of Agrion 179; ofAgrionidae 

 Plate III; of Austrolestes Plate III; 

 of Enallagma 179 



Compound eye 58, 62-64 



Copulatory apparatus of male 96 



Cordulegaster annulatus, gizzard 48 ; 

 mask 32; ovipositor 101; wings 121 



