INDEX 



Water bugs — Cofitmued 



227, 237-238, 244; creep- 

 ing, 227, 238-239; electric 

 light bug, 233-234; food, 

 226; giatit, 227, 232-235, 

 302; habits, 225; identiii- 

 cation, 227-228; larvae, 15; 

 pigmy, 227, 239; water 

 boatmen, 239-240; water- 

 measurers, 227, 228-229; 

 water scorpions, 227, 235- 

 237; water striders, 7-8, 

 228-232, 262 



Water-cress, Frontispiece, 95- 

 96 



Water-dog, see mud-puppy 



Waterfalls, collecting in, 34; 

 life in, 25 



Water-fleas, 3, 160, 161, 164- 



165 



Water-hoppers, 166 



Water-hyacinth, 20 

 Water-lily, 11, 15, 16, 31, 35, > 



91-95, 100, 228; white, 58, 



93-95. 192, 258; yellow, 58, 



91-93, 258, 278-279 

 Water-measurers, 227, 228- 



229 

 Water-mites, 15, 30, 52, 95, 



175-178, 192,230-231,257; 



aquarium study, 176; form, 



175; habits and habitat, 



175; identification, 176- 



178; preserving of, 41; red, 



239; season, 176 

 "Water moccasin", 404 

 Water-net, 26, 31, 32, 33 

 Water-pennies, Frontispiece, 



25, 34, 184, 195, 262, 263, 



278 

 Water pipes, bryozoans in, 

 ^ 135; sponges in, 107 

 Water scavenger beetles, 264, 



273-277; adults, 274; eggs, 



274; larvae, 274 

 Water scorpions, 227, 235- 



237 

 Water skaters, see ivater 



striders 

 Water striders, 7-8, 228-232, 



262; broad-shouldered, 



229-230 



Water- weeds, 79-80 

 Weather, effect on collecting, 



35 



Wetmore and Harper, 397 

 Wheel animalcules, 127-130 

 Whippoorwill's shoes, 96 

 Whirhgig beetles, 11, 36, 91, 

 192, 226, 262, 263, 264, 

 271-273; larvae, 272; pupai, 



273 

 "White-gloved howdy", 201, 



209-211 

 White heel-spitter, 301 

 Whitetails, 217 

 Wild celery, 80-82 

 Wilder, I. W., 363 

 Wilson, C. B,, 216, 272, 273, 



275, 277 



Wire worms, see hairworms 



Wolffiu, 82; Columbiana, 85 



Woodcocks, 287 



Woods, W. C, 214 



Worms, 16, 91, 154, 156, 157, 

 158, 216; annulated or 

 "ringed", 143-144; "blood- 

 worms", 144, 286, 292; 



bristle, 139-140, 1 43-147; 

 earthworms, 139, 143, 145; 

 fiatworms, 1 19-126; hair- 

 worms, 139-140, 141-143. 

 in lakes, 20; in springs, 34; 

 nematode, 140-141; oligo- 

 chaete, 139, 143-147; plant- 

 eating, 13, 14; preserving 

 of, 41; segmented, 148; 

 tapeworms, 119; thread- 

 worms, 139-141; tube- 

 worms, 144 

 Wright, A. H., 361, 374, 382, 



397 



Wright, A. H., and Allen, A. 



A., 378 



Yellowstone Park, alga^ in 



Hot Springs, 48 

 Yerkes, R. M., 399 



ZaitJia fluminea, 233 

 Zoochlorcllae, 108 

 Zooecia, 133 

 Zygnema, 50 

 Zygoptera, 220-225 



448 



