Index 



423 



PAGE 



Blepharocera 259, 367 



bloodworms, 106, 250, 254, 279, 280, 

 310, 394, 395, 398 3 



blubber 273 



bog cover 348, 349, 350, 351 



bog-moss. .89, 145, 146, 147, 348, 349 



bog-pond 352 



bog-pools 129 



bogs, 53, 89, 90, 94, 95, 115, 146, 149, 



152, 155,348,351 



bogs, climbing 94 



bogs, peat 117 



bogs, sphagnum 52, 64, 157 



bogs, upland 156 



Bosmina. .185,248,249,301,328,329 



Botryococcus 129, 299 



Botrydium 121 



bottom, false 54 



bottom herbage 334 



bottom-lands, alluvial 67 



bottom, black muck 115 



bottom mud, 95, 106, 133, 154, 243, 252 

 bottom ooze. . .48, 159, 181, 191, 235 



bottom population 327 



bottom slime 133 



bottom sprawlers 254, 340 



Boyeria 360 



Brachionus 178, 179, 299 



Brachycentrus 363, 364, 366 



brambles 351 



Branchiopods. . . 183, 184, 185, 263 



Brasenia 334 



Brinton, D. G 409 



bristles 246, 248 



brood-chamber 187, 267, 288 



brood-pouch 190, 191, 393 



Brook, Lick, Ithaca 317 



Williams, Ithaca 358 



brooks 77, 81, 167, 170, 333, 356 



Bryophytes 146 



Bryozoans, 166, 169, 247, 266, 269, 



325, 332, 335, 34i 



buck-bean 345 



buds, over- wintering 264 



buffalo gnat 364 



bugs 210, 277 



bullheads 345, 388 



bull-frogs 14, 236 



bulrush 319, 334, 343 



buoyancy, of organisms 243, 247 



bur-reed 156, 157, 323, 334, 343, 346 



burrowing 251, 254, 257, 314, 316 



burrows 254, 255 



PAGE 



burs 272 



buttons, pearl 382, 383 



Bythotrephes 301 



Caddis-flies, 195, 197, 200, 214, 218, 

 258, 260, 280, 283, 341, 

 345, 36o, 361, 363, 370 



Caddis-worms, 14, 84, 197, 198, 257, 

 258, 260, 262, 27Q, 280, 



340, 34i, 357, 359, 360, 

 362, 363, 365, 370, 371, 

 372, 373, 388, 398 

 Caenis. . .205, 253, 340, 345, 388, 398 



Calcium salts 52 



Caledonia shrimp 393 



calla 157 



Callibaetis 341, 396, 397, 398 



Calyculina 341 



Cambarus bartoni 193 



Campanula aparinoides 344 



Campus, Cornell University .... 42 



Campylodiscus 111, 115 



Canthocamptus 188, 301 



canvas- backs 240 



capillarity 97 



Carabidae 221 



carapace 184, 192,251 



carbonates 50, 51 



carbon consumption 44 



carbon dioxide 43, 44, 45, 50, 51, 72, 



139 



Carices 157 



carnivores, 18, 171,209,222,241,282 

 283,312,318,374,390,397 



carp 233, 234, 235, 384, 399 



Carteria 103, 104, 306 



Cassandra 157, 350 



cases, cylindric, of sand 341 



" limpet-shaped 261 



" portable 371 



" stone-ballasted 371 



Castalia odorata 334, 382 



cataract 101 



caterpillars 257 



catfish 232. 233, 289, 291 



cat-tail flag 91, 92, 156, 321, 333, 



334,343,355,357,380,381 



cat-tail, narrow-leaved 381 



celery, wild 240 



Celithemis 340 



cells, aggregated 104, 131, 254 



" association of 133 



" chlorophyl-bearing . . . . 147, 349 



