INDEX TO VOLUMES VII, VIII AND IX. 



Acer rubrum, wood increment, 343 



Additions, Ohio flora, 01 



Aggradation and degration of val- 

 leys, 191 



Air cavities, Equisetum, 393 



Alkaloids and regeneration, 404 



Anieiurus, 251 



Amitosis in Synchytrium, 513 



Ammordamiis, 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 



Didvmosphaeria catalpae, 509 



Dinichthys terrelli, 363 



Diptera, 29 



Disonycha, Ohio species, 423 



Dog\\'ood, 197 



Dragonflies of Ontario, 142 



Dragonflies of Canada, 148, 204 



Drinking cup, 105 



Ecologv, vegetation of Cedar Point, 



2'91 

 Embrvologv of Caryophvllacea'e, 



477 

 Embryo of Oxalis, 261 

 Embryology, Shepherd's purse, 1 

 Equisetum sporangia, 122 

 Equisetum water reservoirs, 393 

 Esker, 03 - 



Esker group, 231 

 Evaporation investigations, 417 

 Evergreen plants, 188 

 Fauna, Bedford of Kentuckv, 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 hemelvtra, 389 

 Hemelytra, 389 

 Hemiptera, Guatemalan, 457 

 Hemiptera, semi-aquatic, 370 

 Hepatica, variation, 431 

 Hibernacula of Utrieularia, 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 



^/ ^-i-f 



