436 



INDEX 



Beech, antiquity of, 30, 295. 



Bees, bumble, 33, 41, 107-109, 127, 

 128, 276, 304-306 ; mimicry of, by 

 bumble-flower beetle, 107-109; 

 transfer pollen of butterfly weed. 

 41; varieties: Bomius amer%catk- 

 orum, 58 ; B. consimilis, 127, 128 ; 

 B. vagans, 306; B. virginius, 304- 

 306. 



Bees, fertilization of flowers by, 31, 

 33, 40, 41. 



Bees, honey (Mellifera), 31, 276; 



Bees (ProsopisJ, fertilizers of 

 mullein, 132. 



Beetle, Bumble-flower (Euphoria 

 inda), 107-109, 128; Byed-elator, 

 or click (Alaus oculatus), 301- 

 303; Longicorn, 303; Nine- 

 spotted ladybird, 280; Nut weevil 

 (Balaninus nasicus), 289; Milk- 

 weed (Tetraophthalmus), 36, 304; 

 spotted eoUops, 274, 275; Stag 

 (Lucanus dama), 301, 302. 



Behavior of animals, 165-267. 



Bergamot, and the bumble bee, 804, 

 306; example of adaptation, 54- 

 56. 



Bernard, on adaptation, 31. 



Bill of humming-bird, 28, 44-46. 



Biometrie nomenclature, definition 

 of, 4. 



" Biometrie school," on variation 

 of species, 18, 19. 



' ' Bird flowers, ' ' 42-48. 



Birds, accidents to, by burdock, 254, 

 256; aft'eeted by physical forces, 

 260-262, 287; factors in the mod- 

 ification of insects, 311-314; fear 

 of snakes, 229-231; food and as- 

 semblage grounds of, 308-314; 

 Varieties: Baltimore oriole, 34, 

 222, 229, 236, 242, 243, 252-254, 

 309, 314; Bob-white, 261; Brown 

 thrasher, 244, 245; Bull-bat, or 

 Night hawk, 246, 247; Catbird, 

 229, 236, 245, 308; Cedar wax- 

 wing, 29, 216 ; Chewink, 263, 264 ; 

 Chimney swift, 225; Cowbird, 

 243 ; Field sparrow, 243, 244, 265- 

 267, 310; Flicker, 310; Goldfinch, 

 226-229, 256; Hawk, 244, 245, 

 258, 259 ; Hermit thrush, 311-314 ; 

 House wren, 248-251 ; Humming- 

 bird, 28, 33, 42-48; Indigo, 260- 

 262; Kingbird, 216, 308, 310; 

 Kinglet, 254, 255; Maryland yel- 

 low-throat, 224, 225, 295; Meadow 



lark, 274=; Mourning dove, 243; 

 Night hawk, or Bull-bat, 246, 247; 

 Phoebe, 232-234, 240, 241; Pig- 

 eons, 8, 16, 29; Euby-throated 

 humming-bird, 21, 28, 33, 42-48, 

 56-58; Eobin, 225, 262; Shrike, 

 235, 236 ; 'Swallows, 242, 289, 290; 

 Vireo, 245; Whip-poor-will, 247, 

 248; Woodpecker, 239-241; Wren, 

 222, 223, 243, 248-251; Yellow 

 warbler, 235, 236. 



Black-eyed Susan, 274, 275. 



Black-legged grasshopper (Orcheli- 

 mum nigripes), 428. 



Black-nosed dace (Notropis mega- 

 lops), 284, 285. 



Black-sided camel cricket (Ceu- 

 thopMlus latens), 424. 



Black-sided grasshopper (Xiphid- 

 ium nigropleura), 427. 



Blatchley, on habits of clouded lo- 

 cust, 372, 374; on Pennsylvania 

 cockroach, 418; " Orthoptera of 

 Indiana,^' quoted, 387. 



Blatchley 's camel cricket (Ceu- 

 thopMlus blatchleyi) , 423. 



Blatchley 's locust (Melanoplus 

 ilatchleyi) , characteristics, 326, 

 328, 330, 354-356, 406; function- 

 less short wings," 356; habitat, 

 328, 422. 



Blatchley 's walking-stick (Bacun- 

 cuius ilaichleyi) , 425. 



Blow snake, or Puff-adder, or Hog- 

 nose (Seterodon platyrhinus) , 

 298-300. 



Blowout, definition of, 432. 



Blueberries, on wooded dunes, 249, 

 299. 



Blue racer, 229, 230. 



Bluff, definition of, 481. 



Bob-white, 261. 



Bog, definition of, 430 ; life of, 296. 



Bohn, on animal behavior, 168. 



Boll's locust (Spharagemon tolli), 

 characteristics, 330, 362-365 ; 

 habitat, 422; habits of, 354-356. 



Bombus consimilis, mimicry of, by 

 robber fly, 127. 



Boneset, adaptation in animals to, 

 58, 120, 2^0, 294, 299. 



Bouvier, ^' Relation of Bees to 

 Flowers," 31. 



Bowdish, on accidents to birds, 254, 

 256. 



Breeding experiments, importance 

 of, 272. 



