INDEX 



215 



Divided eyes, 144 



Dorsal diaphragm, 121, 162 



Doyerc, 12, 13 



Dufour, no 



Dyar, 33, 173 



Ecdysis, 1 7 1 



Ectoderm, 29 



Egg, 166 



Egg-burster, 171 



Egg-calyx, 159 



Egg-follicles, 158 



Egg- tooth, 171 



Ejaculatory duct, 162 



Elytra, 59 



Empodium, 58 



Endo-skeleton, 95 



Endothorax, 97 



Eosentomidae, 26 



Ephemera varia, 178 



Ephemerida, 180; ocelli of, 139 



Epicranial suture, 37 



Epicranium, 38 



Epidermis, 31 



Epimerum, 51 



Epipharnyx, 46 



Epipleurae, 74 



Episternum, 51 



Epithelium, 109, 118; of mid-intestine, 



112 



Eruciform, 184 

 Eucone eyes, 141 

 Eurypauropidae, 20 

 Eurypauropus ornatus, 19 

 Eurypauropus spinosus, 19, 20 

 Eusternum, 52 

 Exarate pupae, 190 

 Exner, 141, 143 

 Exuviae, 171 

 Eyes of insects, two types of, 134; with 



double function, 143 



Femur, 57 



Fibula, 62; of Corydalus, 63 



Filiform, 41 



Fixed hairs, 31 



Flask-like sense-organ, 131 



Follicular epithelium, functions of the, 



159 



Folsom 43, 47 

 Fore-intestine, 108. 109 

 Frenulum, 61 

 Frenulum hook, 61 

 Front, 37 



Froth-glands of spittle insects, 102 

 Funicle, 41 

 Furcae, 98 

 Furrovv-s of the vsting, 73 



Gahan, 88 

 Gastric caeca, JI2 



Genae, 39 



Geniculate, 41 



Genital appendages, the development 



of the, 20 1 

 Genital claspers, 76 

 Genitalia, 76 

 Geophilus flavidus, 21 

 Germarium, 158 



Glands, 98 ; connected with setae, 99 

 Glandular hairs, 33 

 Glomeris, 16 

 Glowworms, 194 

 Gnathochilarium, 16 

 Gonapophyses, 76 

 Gcnin, 199 



Graber, 146. 148, 149, 150 

 Gradual metamorphosis, 175 

 Grassi, 157, 172 

 Grimm, 192 



Gryllotalpa borealis, chirp of, 93 

 Gryllus, 83 ; ventral aspect of the 



meso- and metothorax of, 98 

 Guenther, 132 

 Guilbeau, 102 

 Gula, 39 

 Gynandromorph, 156 



Hagen, 113, 171 



Halteres, 59 



Hammar, 125, 126 



Hamuli, 61 



Hansen, 23, 24, 43 



Harpalus, labium of, 45, 52 



Harvestmen, 9 



Hatching of young insects, 171 



Hatching spines, 171 



Hautsinnesorgane, 130 



Head, 36 



Head measurements of larvae, 173 



Hearing, organs of, 145 



Heart, 121 



Hemelytra, 59 



Hemimetabola, 179 



Hemimetabolous, development, 178 



Henneguy, 117, 124 



Hepialid, wings of a, 62 



Hess, 136, 137, 139, 146, 147, 148 



Heterogamy , 177 



Hewitt, 202 



Hexapoda, 26 



Heymons, 174 



Hicks, 155 



Hilton, 128, 129, 132, 133 



Hind-intestine, 108, 112 



Hispopria foveicollis, 88 



Histoblast, 195, 205 



Histogenesis, 204 . 



Hochreuter, 155 



Hoeck, n 



Hofer, 127 



Holmgren, 99 



