INDEX OF ILLUSTRATIONS 



383 



Cordulephya montana, larva 38 

 Cordulephya pygmaea 128; gills 83; 



gizzard 4648; mask 32; venation 



128 



Cordulia aenea, wings 129 

 Dendroaeschna conspersa, larva, anal 



apps. 39; tracheal system 76 

 Dental folds of gizzard 48 

 Dentigerous plate 100 

 Dimorphism in females Plate III 

 Diphlebia lestoldes, gill 86 ; gizzard 48 ; 



larva 35; mask 32; pterostigma 



18; young larva 28 

 Diphlebia nymphoides, venation 139 

 Diplacodes bipunctata, egg 108 ; larva 36 

 Diplacodes haematodes, compound eye 



63; gills 79, 80; labium 6; mask 



32 ; young larva 59 ; nervous system 



of do. 59 

 Discoidal cell 20 

 Dorsal vessel, see Heart 

 Dragonfly-galls 25 

 Drosera binata 167 

 Drying oven 184 

 Dythemis velox, wings 135 

 Egg-rope 107 

 Eggs 24, 108, 112 

 Embryo 24, 109, 112 

 Embryology of Calopteryx 109 

 Enallagma cyathigerum, coloration 179 

 Endoskeleton 8 



Epiophlebia superstes, wings 141 

 Epipharynx 67 

 Epitheca bimaculata, anal apps. of larva 



39; midgut of embryo 111 

 Euphaeopsis multinervis 162 

 Exoskeleton, of imago 1 ; of larva 29 

 Eye, compound 58, 62-64 ; simple, see 



Ocelli 

 Fork 100 



Gill- basket, see Branchial basket 

 Gills, caudal 84-86 ; lateral abdominal 



87; rectal 78-83 



Gizzard 46^7; dental folds of 48 

 Gomphus pulchellus, wings 118 

 Gomphus vulgatissimus, anal apps. 14, 



15; larva 36 

 Gregarinid parasites 169 

 Gynacantha rosenberghi, anal apps. 14 ; 



fork 100; mask 32; wings 124 

 Habitats of Dragonflies Plate IV 

 Hatching of larva 24, 26 

 Heart 53, 71 

 Hemicordulia tau, egg 108; gill 81; 



larval wing-tracheation 17 ; mask 



32; venation Plate II 

 Hemigomphus heteroclitus, antenna 2; 



gills 80; gizzard 48; mask 32; 



pterostigma 18 

 Hemiphlebia mirabilis. anal apps. 14 ; 



wings 22 



Hetaerina americana, wing 151 



Heterophlebia dislocata, wings 159 



Hypopharynx 69 



Ictinus australis, larva 36; wings 117 



Invagination of gizzard 46 



Ischnura, coloration Plate III 



Ischnura aurora, Malpighian tubule 52 ; 

 testis 93 ; wing-muscles 90 



Ischnura heterosticta, anal apps. 14; 

 gill 84; gizzard 48; larva 42; mid- 

 gut parasitized 169; pterostigma 18 



Isophlebia aspasia 161 



Isosticta simplex, anal apps. 14; gill 

 84; larva 42; neural canal 8 



Johnston's organ 65 



Labial mask 30-32 



Labium 5, 6 



Labrum 67 



Larvae 29, 33, 35-38, 40-43, 87, 186; 

 newly hatched 24, 27, 28 ; preserva- 

 tion of 185,186; rearing of 187,188 



Leg-muscles 34, 89 



Legs, of imago 9; of larva 34 



Lestes, anal apps. 178; head 1 ; 

 salivary glands 45 



Lestes dry as, wing 142 



Lestes uncatus, neck and prothorax 7 



Lestes viridis, hatching of larva 26 



Lestoldea conjuncta, wings 154 



Leucorrhinia dubia, wings 134 



Libellula, pre-rectal ampulla 50; sym- 

 pathetic nervous system 60 ; ventral 

 plate 110 



Libellula auripennis, neck and pro- 

 thorax 7 



Libellula depressa, salivary glands 45 



Libellula fulva, wings 131 



Macromia, larva 36 



Macromia pacifica, wings 126 



Macromia terpsichore. pterostigma 18 



Malpighian tubules 44, 52 



Mandible 3 



Mask 30-32 



Matronoides cyaneipennis, <$ figured 

 Plate I 



Maxilla 4 



Mecistogaster lucretia, pterostigma 18; 

 wing 144 



Median eye-line 63 



Megaloprepus coerulatus, <J figured 

 Plate I 



Meganeura monyi, restoration 156 



Mesophlebia antinodalis 160 



Metamorphosis 43 



Method of vision of compound eye 64 



Micromerus lineatus, wings 153 



Microthorax 7 



Midgut, epithelium 49; of embryo 

 111; parasitized 169 



Muscles, of legs 34. 89; of wings 89, 

 90 



