INDEX TO VOLUMES VII, VIII AND IX. 
Acer rubrum, wood increment, 343 
Additions, Ohio flora, 61 
Aggradation and degration of val¬ 
leys, 191 
Air cavities, Equisetum, 393 
Alkaloids and regeneration, 404 
Ameiurus, 251 
Amitosis in Synchytrium, 513 
Ammordamus, 113 
Aphididae, 243 
Ascaris chromosomes, 506 
Asilinae, 29 
Asimina triloba, 211 
Aurinotus, 442 
Bacteria, 105 
Barn owl, 290 
Batrachians, Central Am., 151 
Bean, regeneration, 404 
Bedford fauna, Kentucky, 515 
Biological Club meeting, 18, 40, 62, 
88,114, 158, 190, 267, 342, 395, 
416, 455, 475, 524, 544 
Birds, American, book notice, 250 
Boulder, 61 
Boulder Reveries, reviewed, 112 
Bursa, 1 
Canada dragonflies, 148 
Caryophyllaceae, embryology, 477 
Catalpa leaf spot, 509 
Catfish, 251 
Cedar Point ecology, 291 
Central Am. reptiles and batrach¬ 
ians, 151 
Centrosomes, Marchantia, 383 
Cerastium arvense webbii, 440 
Chromosome difference, Ascaris, 506 
Chrysops, 221 
Classification of plants, 446, 489 
Collecting in Ontario, 129 
Color of Ohio flowers, 57 
Columbus esker, 63 
Conemaugh Formation, 482 
Conjugation, 255 
Convallaria majalis, reduction 497 
Cornus florida, life history, 197 
Crop yield, 48 
Cymathere, 89 
Cytology, Synchytrium, 277 
Dayton eskers, 231 
Defiance Co. Mollusca, 110 
Devonian limestone, Ohio and 
Ind., 184 
Devonian, Ohio, 271 
Didymosphaeria catalpae, 509 
Dinichthys terrelli, 363 
Diptera, 29 
Disonycha, Ohio species, 423 
Dogwood, 197 
Dragonflies of Ontario, 142 
Dragonflies of Canada, 148, 204 
Drinking cup, 105 
Ecologv, vegetation of Cedar Point, 
291 
Embrvologv of Carvophvllaceae. 
477 
Embryo of Oxalis, 261 
Embryology, Shepherd’s purse, 1 
Equisetum sporangia, 122 
Equisetum water reservoirs, 393 
Esker, 63 
Esker group,231 
Evaporation investigations, 417 
Evergreen plants, 188 
Fauna, Bedford of Kentucky, 515 
Fiber plants, Ohio, 480 
Fleas, 289 
Flies, robber, 115 
Flowers, color, 57 
Fumigating houses, 101 
Freezing of insect larvae, 258 
Gerridae, 371 
Glands, plant 178 
Glandular scales, 178 
Glass sand, 358 
Gray’s new manual, notice of, 394 
Growth, compensatory, 217 
Guatemalan Hemiptera, 370, 457 
Guatemalan Orthoptera, 9, 14 
Guatemalan reptiles and batrach¬ 
ians, 151 
Halobatinae, 371 
Halobatinae hemelytra, 389 
Hemelytra, 389 
Hemiptera, Guatemalan, 457 
Hemiptera, semi-aquatic, 370 
Hepatica, variation, 431 
Hibernacula of Utricularia, 158 
Hibernation, raccoon, 495 
Hyacinthus, reduction division, 539 
Hydrocyanic acid gas, 101 
Indiana Devonian, 184 
Insects of Ontario, 138 
Jassidae, New Guatemalan, 457 
Kellerman, W. A., resolution on 
death of, 361 
Kellerman, W. A., notice of death 
of, 286 
Kelp, 89 
Kentucky, Bedford fauna, 515 
Key to Chestnuts, 118 
Ohio Euonymus, 60 
Ohio Lichenes, 14 
Ohio Locusts, 113 
Lakeville, stream diversion, 349 
