face of Syrphidae 13 



Fagaceae 326 



Fagus .- j^l 



grandifoha ^'g 



Fairfield County 248 



Fallen, cited 1^ 



feeding habits of adults 49 



of larvae 26, 43 



Felices ^^^ 



flight of Syrphidae 36 



Ferdinandea A^ 



Flora, Sugar Grove 30d 



Folsoni, cited ■-■-- 37 



food of adults 32, 6b 



of larvae 26, 40 



Formica 25, 40 



diflicilis var. consocians 62 



rufa obscuripes 62 



sanguinea aserva 62 



schaufussi 62 



Fraxinus americana 263, 266 



pennsylvanica 263 



Frontal suture - 13 



Fulton, B. B., cited 84 



Fumariaceae 316 



fungi 25, 39, 63, 65 



Galeorchis spectabilis 275, 299 



galls 26, 40, 45 



Gaultheria procumbens. 



278, 281, 292, 293, 299 

 Gaylosaccia baccata 278, 280, 283, 299 



Gentianaceae - 330 



Geofi'roy, cited 12 



Geographical Distribution of 



Syrphidae 15 



Geological Formations at 



Sugar Grove 252 



Geraniaceae 317 



Geranium maculatum 275 



Girschner, cited 13 



Glacial drift -- 251 



Gleditsia tricanthos — - 263 



Gnaphalium decurrens 294 



Graminaceae 310 



Griggs, R. F., article by 248 



Grossulariaceae .-- 327 



Gulf, The 283 



habits of Syrphidae, adults.... 34, 35 



of larvae 38, 42 



habitat of larvae 25 



Halicti 63 



Haloragidaceae 327 



Hamamelidaceae 325 



Hamamelis 266 



virginiana 269, 274 



Hedeoma pulegreoides 294 



Helianthaceae 336 



Helophilus 16, 28, 30, 33, 39 



bilinearis 93 



chrysostomus 93 



conostomus 93 



distinctus 92 



divisus 93 



flavifacies 93 



integer 92 



laetus - 93 



latifrons 46, 70, 93 



pendulus 70 



similis .-. 93 



Hemerobiidae 46 



Hepatica acuta 269 



acutiloba 275, 293 



hepatica 293 



Heteronema 415 



Hicoria ovata 273, 280 



Hieracium venosum 280, 299 



Hine, James S., cited 



11, 13, 63, 65, 88 

 Historical Account of the Family 



Syrphidae 12 



Hocking County 248 



Hopkins, cited 72 



Houstonia longifolia 277, 280, 274 



Howard, cited 66, 72 



Hubbard, cited 51, 64, 68 



Hunter, W. D., cited 12, 35, 82 



Hyde, J. E., cited 251 



Hydrangea arborescens 274 



Hydrangeaceae 327 



Hydrophyllaceae 329 



Hymenoptera -. 10, 



26, 32, 35, 37, 40, 42, 47, 49, 68 



Hypericaceae 318 



Hypericum drummundii 278 



prolificum 294 



Hypnaceae sp 278 



Hypopytis americana 276, 280 



Ibidium gracilis 294 



Ichneumonidae 50 



Ilicaceae 324 



Index to Euglenoidina 447 



to Vascular Plants 239 



integumental bristles 18 



interspiracular hairs, etc., 19, 21, 23 



Introduction, Syrphidae 10 



Iridaceae 314 



Isnardia palustris 264 



Isotria verticillata 280 



Jassidae 39, 42 



Johnson, C. W., cited 12, 72, 73 



Juglandaceae 326 



Juglans cinerea 263, 266, 273 



nigra 263 



Juncaceae 313 



Juncoides carolinae 275 



Juniperaceae 308 



454 



