INDEX TO VOLUMES IV, V AND VI. 
L d 
NE' ' '■ 
BOT ,■ A 
garden 
Acquired Characters, 26 
Actinolophus, 262 
minutus, 263 
Aelosoma, 435 
Aesculus glabra, 20 
Agar-agar Method, 344 
Alcohol, Mixing, 552. 
Alders, Key to, 517 
Algae, Brush Lake, 268 
Lake Erie, 148 
Angiospermae, 390 
Anthurus borealis, 474, 517 
Apion nigrum, life history, 346 
Aradidae of Ohio, 36 
Aradus, 22, 36 
aequalis, 36 
crenatus, 37 
dur}^, 39 
duzei, 38 
elongatus, 41 
lobatus,40 
ornatus, 22, 38 
ovatus, 41, 
robustus, 37 
simplex, 40 
Ascaris, Reducing Division in, 519 
Asccchyta pisi, 507 
Ashes, Key to, 270 
Aspidiotus ohicensis, 325 
piceus, 96 
Atemnus elongatus, 489 
Batrachum longisrotris, 353 
Biological Club, 98, 114, 193, 216, 
250, 272, 294, 308, 329, 352, 
377, 400, 422, 451, 474, 496, 
518, 556 
Birds of Ohio, Dawson’s, 66 
Color Key to N. Am., 148 
Records of Ohio, 112 
Bryophyta, 388 
Buds of Ohio Trees, Winter, 505 
Caenia fumosa, 65 
viridis, 65 
Cambarus hinei, 401 
Carnivore, Our Smallest, 251 
Cataloguing of Collections, 62 
Catalpas, Key to, 496 
Cedar Point Flora, 186, 540 
Chelanops oblongus, 407 
Chicken Islands Flcra, 190 
Chilocorus similis, 49 
Chionaspis sylvatica, 95 
Chrysanthemum leucanthemum, 56 
Chrysops calopterus, 392 
coquelletti, 220 
dimmccki, 393 
melanopterus, 391 
pachycnemius, 391 
Cicada delicata, 498 
erratica, 497 
Clasping Organs, Pediculidae, H>7 
Classification of Plants, 298 
Commelina nudiflora, 448 
Cone of Pinus laricis, 396 
Corn, Development of Grain, 3 
Cray fishes, 310 
Cucumis sativus, 423 
Dandelions, 74 
Descriptions of Mallophoga, 528 
Deciduous Leaves, 163 
Desmids, A Few Ohio, 349 
Dichaeta, 64 
Disease of Seed Peas, 507 
Dissecting Tray, 66 
Diptera, 63 
Division in Ascaris, 519 
Dogwoods, Key to, 419 
Dragonflies, 310 
Drainage, Changes in Lancaster, 149 
Elms, Key to Ohio, 315 
Embryo of Batrachium, 353 
Cucumis, 423 
Nelumbo, 167 
Staphylea, 320 
Ephydridae, 63 
Epistylus flavicans, 327 
Equisetum laevigatum, 74 
Errata, 74, 148 
Expansion of leaves, 210 
Fall Webworm, 453 
Fasciation in Plants, 47 
Faunal Lists, a Suggestion, 462 
Ferns, Ohio, 205 
Flora, Cedar Point, 186, 540, 544 
Chicken Islands, 190 
Shale Bluffs, 499 
Fontaria indianae, 161 
Fossombronia cristula, 58 
Free-floating Plants, 420 
Fulgorid, Root Infesting, 42 
Fulgoridae, new species, 44, 373 
Gall Insects, 115, 140 
Literature of, 133 
Mouthparts of, 121, 124 
Diptera, 125 
Hemiptera, 126 
Hymenoptera, 126 
Lepidoptera, 127 
Ovipcsitcrs of, 121, 122 
Gallinule, Purple, in Ohio, 553 
Galls, 115, 140 
Development of, 144 
Epidermal Structures of, 120 
Flower, 115 
Fruit, 115 
Histology of, 117 
