Index 



423 



PAGE 



Blepharocera 259, 367 



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

 3io, 394, 395, 398 



blubber 273 



bog cover 348, 349, 350, 35 1 



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 



bottommud,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 77,8i, 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, 3 § 8 



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, 3 * 6 



burrows 254, 255 



burs 



buttons, pearl 



Bythotrephes 51 >i 



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

 2.S' S , 260, . 341, 



345, 36<), 3'". 363, 37< 

 Caddis- worms, 14, 84, i<;;, [9 



258, 260, j', j, . 



340, 341, 357, 



362, 3^3, 365. 370, 371- 



372, 373, 3 3, 398 

 Caenis. . .205, 253, 340, 345, 388, 39 s 



Calcium salts 52 



Caledonia shrimp 



calla [57 



Callibaetis 341, 3o<>, 397, 398 



Calyculina 341 



Cambarus bartoni 1 1 ; J 



Campanula aparinoides 344 



Campus, Cornell University. . . 42 



Campylodiscus Ill, 115 



Canthocamptus [8f 



canvas-backs 240 



capillarity 97 



Carabidae 221 



carapace 184, 192,251 



carbonates _ 



carbon consumption 44 



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



139 



Carices 157 



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

 283,312,318,374,3 ■■,- 



carp 22>2>, 234, 235. 3^4. 3'"' 



Carteria 103, 104, 3<>»' 



Cassandra 157, 35° 



cases, cylindric, of sand 34 ' 



" limpet-shaped 



" portable 371 



" stone-ballasted 371 



Castalia odorata . 



cataract IOI 



caterpillars 



catfish 232. 233, 2* 



cat-tail flag 01,02, 156,321 



334,343.355. 



cat-tail, narrow-leaved 



celery, wild 



Celithemis 



cells, aggregated .... H 



" association of I , ; ! 



11 chlcrophyl-bearing . ... 147, 349 



