Kalmia 275 



latifolia 279, 280, 283, 299 



Keen, E. L., cited 73 



Kellerman, W. A., cited 303 



Key to Genera of Syrphidae 74 



to Pupae 52 



to Larvae 52 



King-bird 49 



lace-wing-ed flies ^ 46 



Lamiaceae 332 



Larvae of Syrphidae 17 



key to - 52 



Lasiophthicus pyrastri 40, 66 



Latreille 12 



Lauraceae 316 



^eaf-hoppers 64 



Lechea minor 277, 278 



Lemnaceae 309 



Lentribulaceae 332 



Lepidophyta 307 



Leptamium virginiana 276 



Leptocinclis 374 



Lespedeza hirta 280, 294 



procumbens 280 



repens 278, 280 



Liliaceae 312 



Lillium canadense 264 



Limnr.nthaceae 317 



Linaceae -- 317 



Lintner, cited 70, 71 



Linum virginianum 280 



Liriodendron tulipifera 273, 301 



Liriodendron Forest 272 



Lobelia cardinalis 264, 267 



syphilitica 264, 267 



Lobeliaceae 335 



Loew, cited 12 



LongistigTna caryae 26, 43, 45, 57, 58 



Lumbering, Sugar Grove 296 



Lycopodiaceae 307 



Lycopodieae 307 



Lycopodium complanatum var. 



flabelliforme 293 



lucidulum 2G6, 275, 293 



Lythraceae — 324 



Macquart, cited 12 



macrochaetae 34 



Magnoliaceae 315 



Mallota 25, 28, 33, 39 



cimbiciformis 93 



illinoisensis 93 



posticata - -■- 71, 93 



Malus glaucescens 263, 293, 294 



Malvaceae 318 



Manual of N. A. Diptera 12 



maple 64 



Marsupiogaster 423 



Martyniaceae 332 



Matricaria 39 



Meigen, cited 12, 70 



Medeola virginica 269, 276 



Meibomia canescens 293, 294 



nudifloi-a 280 



obtusa 294 



rotundifolia 280 



Melanostoma mellinum 15, 65, 85 



obscurum 85 



Melanoxanthus salicti 55 



Membracidae 39, 42 



Menispermaceae 316 



Menoidium 404 



Merapioidus villosus 96 



Merodon 16, 39 



equestris '71 



Meromacrus acutus 92 



Mesogramma boscii 87 



geminata 87 



marginata — 88 



polita....l6, 19, 24, 25, 35, 66, 67, 88 



Metanema 422 



Metcalf, C. L., article by 7 



Metcalf, Z. P., cited H 



Microdon 15, 17, 21, 24, 25, 



28, 29, 30, 31, 33, 37, 40, 42, 47, 49 



aurifex 80 



aurulentus - - 80 



fuscipennis 80 



globosus 62, 79 



larvae of 21, 23, 24 



megalogaster 80 



mutabilis 40 



rufipes 80 



tristis 21, 25, 28, 30, 62, 80 



Microdontinae 1^ 



Milesia 14, 16 



ornata 



97 



97 

 73 



virginiensis 



Milesinao 15, 



milkweed ^0 



Mimicry of Syrphidae 35, 36, 37 



agTCSsive 37 



protective 49 



Mitchella repens 



278, 281, 287, 292, 293 



Monotropaceae 328 



Monotropa uniflora 276, 281 



Moraceae 325 



Morse, W. C, cited 251 



Morus rubra ^'^3 



moulting of larvae 24 



mouth parts of adults 32 



of larvae 18, 20, 21, 27 



Muhlcnbei-gia diffusa 289 



Musca domc'stica 39, 65 



pyrastri 65 



455 



