INDEX 



Angiosperms, 66-103; arrow- 

 heads, 1^11 \ iDladder- 

 worts, 100-103; bur-reeds, 

 70-73; cat-tails, 68-70; 

 duckweeds, 82-85; e^^- 

 grass, 82-85; mustards and 

 cresses, 95-96; parts of 

 flower, 66-68 ; pickerel- 

 weeds, 85-89; pitcher- 

 plants, 96-98; pondweeds, 

 73~'75; smartweeds, 89-90; 

 sundews, 98-99; water-lil- 

 ies, 91-95; water milfoils, 

 99-100; water-plantains, 

 78-79; water- weeds, 79- 

 80 



Anguilla bostoniensis, 331-332 



Angiiillida (eels), 331-332 



Animals, care of young, 36- 

 37; collecting, 31, 32; dis- 

 tribution in ponds and 

 streams, 15-17; in aquaria, 

 38-39; in blanket algae, 50; 

 killing, 40-41; larger, in 

 ponds, 17; in rapids, 25; 

 life in streams and marshes, 

 20-21; life history cages, 

 36-37; preserving, 40-45; 

 relaxing, 41 ; similarity be- 

 tween algae and, 50 



Anisoptera, 216-218 



Annelida, 143, 148 



Anodonta, 119, 321; cataracta, 

 321 



Anopheles, 295-296 



Aquaria, 37-40 



Aquarium net, 30; supplies, 

 408-409 



Antocha, 284, 285, 288 



A nura (toads and frogs) , 368- 

 388; BufonidcE, 368-371; 

 HylidcB, 373-378; Pe- 

 lohatidcc, 371-373; Ranidce, 

 379-388 



A rctocorixa (Corixa) alter- 

 nata, 239-240 



Argia violacea, 222, 224 



Arrowheads, 13, 58, 73, 76- 

 77; broad-leaved, T(i-77, 

 192 



Arthropoda, 158 



Arzama obligua, 70 



Asellus, 22, 34, 169, 171, 172 

 Axolotls, 359, 360 



Bacillariacece (yellow-green 

 algcE), 47 



Backswimmers, 36, 227, 237- 

 238, 192; as food, 244; re- 

 productive capacity, 237 



Bacteria, sulphur, 48 



BcBtincB, 208-211 



BcBtis, 201, 213 



Bag, bobbinet, for collecting, 

 26 



Baker, F. C, 264, 302, 303 



Balance of life, maintenance 

 of, 17-18 



Bass, 341, 342-343; bait for, 

 243; black, 152, 335, 341, 

 342-343 ; large-mouthed 

 black, 342, rock, 341 ; small- 

 mouthed, 342-343 



Bedstraw, 78 



Beetles, 13, 15, 25, 59, 95, 98, 

 179, 188, 190, 215, 261- 

 281; aquarium study, 264, 

 as food, 264; associates, 

 263-264; crawling water, 

 264, 265-266; diving, 192. 

 262, 265, 265-271 ; enemies, 

 263; food, 50, 263,264; hab- 

 its, 262-263; identification, 

 264-281; larvae, key to, 

 265; leaf, 73, 93, 278-281; 

 riffle, 265, 277-278; season, 

 262; snout, 70; tiger-, 15, 

 17; water scavengers, 264, 

 273-277; whirligig, 11, 36, 

 91, 226, 262, 263, 264, 271- 



273 

 Bell-animals, 56 

 Belostoma, 226; fiumineum, 



232-234 

 BelostomatidcB, 227, 232-235 

 Benacus griseus, 236; 234-235 

 Berosus, 275-277 

 Birds, 286, 287; wading, 152, 



287; water, 264, 324 

 Bittacomorpha, 287; clavipes, 



287 

 Black-flies, 23, 34, 248, 283, 



296-297 

 Blackwings, 220-221 



432 



