Danais, 65 " plexippus, 65 Dasycolletes, 33 " hirtipes, 33 " purpureus, 34 Declana, 83 " floccosa, 83 " floccosa _v._ junctilinea 84 Deinacrida, 112 " megacephala, 112 Diadema, 65 " nerina, 65 Digestive system, 4 Diptera, 6, 40 Dorcus, 26 " punctulatus, 26 " reticulatus, 26 Dorsal vessel, 4 Dragon-flies, 103 Dryocora, 24 " howittii, 24 Dyticidæ, 22 Earwigs, 116 Eggs of insects, 5 Elateridæ, 28 Elytra, 5 Endrosis, 96 " fenestrella, 96 Engidæ, 24 Entomologist in winter, 10 Entomological pins, 13 Ephemeridæ, 105 Ephemera, 105 Epuræa, 23 " zealandica, 23 Eristalis, 57 " cingulatus, 57 Erana, 78 " graminosa, 78 Erebia pluto and butleri, 66 Euplexoptera, 116 Eurigaster, 60 " marginatus, 60 Exaireta, 56 " spiniger, 56 External organs, 2 Eyes, 2 Family, 8 Femur, 3 Flea, 64 Forficulidæ, 116 Forficesila, 116 " littorea, 116 Formicidæ, 35 Formica, 35 " zealandica, 35 Ganglia, 4 Genus, 8 Geodephaga, 19 Geometridæ, 83 Geometer, 83 Gerris, 43 Glow-worm, 49 Gilt pins, 13 Gizzard, 4 Grasshopper, 115 Gryllidæ, 112