356 



INDEX AND GLOSSARY 



Barnacles, 139, 140, 299. 

 Bats, 273, 274. 

 Bead snake, 216. 

 Beans, insects affecting, 278, 279. 

 Bear, 278, 279. 

 Beaver, 337. 

 Bee, eye of, 310. 

 Bee keeping, 23. 

 Bee martin, 232. 

 Bees, 52-55. 

 Beetles, 107-115. 

 Bedbug, 24, 104. 

 Bell animalcule, 180. 

 Beneficial insects, 47, 48, 51-56. 

 Bl'nary fission, a method of re- 

 production in which the or- 

 ganism divides into two equal 

 parts, 179, 182. 

 Bi61'ogy, the study of plant and 



animal life, 11. 

 Bird day, 24. 



Bird, external features, 229. 

 Birds, 226-261. 



decrease in, 227. 



destruction of, 255-257, 339. 



eggs of, 234. 



food of, 24. 



in relation to insects, 258. 



migration of, 24,. 260. 

 Bison, 266. 

 Blackbirds, 236. 

 Black crab, 116. 

 Black snake, 214, 216. 



eggs of, 293. 

 Black swallowtail, 72. 

 Bladder worm, 159. 

 Blind crayfish, 141. 

 Blissus leucop'terus, 105. 

 Blowfly, 46. 

 Bluebird, 243, 248, 259. 

 Blue crab, 138. 

 Blue sharks, 188. 

 Boa constrictor, 220, 221. 

 Bobolink, 235. 



Bobwhite, 318. 

 Boll worm, 23. 

 Bonibyc'idae, 74. 

 Bones of bird, 354. 



of cat, 290, 291. 



of dog, 354. 



of horse, 266, 353. 



of man, 354. 



of salamander, 354. 



of turtle, 354. 

 Bony fish, 189. 

 Borer, apple tree, 111. 



locust, 111. 



maple, 112. 



peach tree, 89, 90. 



pine tree, 112. 



Borers, certain insect larvse, 

 mostly of beetles and moths, 

 dwelling in trees, 89. 

 Botflies, 48-50, 330. 

 Box tortoise, 222. 

 Brain of cat, 287, 288. 



mammals, 290. 

 Breeding of amphibians, 207. 

 Brine shrimp, 351. 

 Brittle star, 166. 

 Brontosau'rus, 226. 

 Brush-footed butterflies, those 

 with imperfect and hairy fore- 

 legs, 69. 

 Buc'cal, 179. 

 Buffalo, 266, 335, 336, 337. 



moth, 24, 113. 

 Bufo, 207. 

 Bugs, 91. 



Bulletins and circulars of Agri- 

 cultural Department of U. S., 

 23, 24. 



Bull frog, 205. 

 Bull head, 189. 

 Bumble bee, 54, 306. 

 Butterflies, 68-73. 

 Butterfly , protective resemblance, 

 313. 



