INDEX. 



ACARI, various instances of their 



noxiousness, 207. 

 Acrita, building instinct in, 14. Mo- 



tionsof,92. 



Aeronaut spiders, 123. 

 Alligators, anecdotes of their fero- 

 city, 193. 



Animalcules, development of the 

 senses in 



Triscoda sol, 41. 

 Vorticella convallaria, 41. 

 Vorticella rotatoria, 41. 

 Animals directly injurious to man, 

 17a Quadrupeds, 177. Birds, 

 191. Reptiles, 192. Fishes, 202. 

 Insects, 206. Intestinal worms, 

 15. 



indirectly injurious to man, 



2?3. Quadrupeds, 226. Birds, 

 224. Reptiles, 236. Insects, 229. 

 Mollusca, 224. 237. 



, luminous, 359. Fishes, 



364. Insects, 359. 366. Radiate. 

 362. 



Antelope, springer, account of the 

 migration of, 246. Ravages of. 

 228. 



Ants of Guiana, ravages of, 233. 

 Ants, true, societies of, 312. Nup- 

 tials, 813. Females, 314. Queen, 



315. Labourers, 316. Language, 



316. And Aphides, loves of, 385. 

 And Membracidae, loves of, 338. 

 Emigrations of, 339. Occupations 

 of, 342. Roads of, 342. Strength 

 and perseverance of, 344. Living 

 bridges, 344. Sports and pastimes, 



Ants, mining, attack on, by the 

 slavers described, 328. 



Ants, red,3'21. 



Ants, rufescent, slaving expedi- 

 tions of, 326, 327. 



Ants, rufous, wars of, 322. 



Ants, sanguineous, slaving expe- 

 dition of, 329. 



Ants, slave-making, 324. Of Bra. 

 zil, 319. 



Ants, slave, duties of, 330. 



Ants, slaves and milch cattle kep 

 by,32. 



Ants, white, 235. 297. 



Ants, yellow, honey flies kept by 

 337- 



Aphides kept as milch cattle by the 

 ants, 32. 



Aphides and ants, loves of the, 335. 

 Indian, 338. 



Ascarides, 216. 



Asiatic tiger, anecdotes of its fe. 

 rocity, 178. 



Ass, anecdote of sagacity in, 28. 

 Its method of descending a pre- 

 cipice, 106. 



Attachment of animals to the hu- 

 man species. 76. 



B. 



Barren ground reindeer, migra- 

 tion of, 249. 



Bats, acute sense of touch in, 52. 

 Bear, grisly, instance of its ferocity, 



182. Anecdote of, 89. 

 Beaver, American, habitations of, 



289. 



Bed bug, anecdote of the abun- 

 dance of, in the south of Italy,212. 

 Birds, defences of, 141. 

 Barn owl, 143. 

 Condor, 142. 

 Petrel, 144. 

 , development of senses in, 48. 



directly injurious to man. 



191. 



- i. , indirectly injurious to man- 



Blackbird, &c.. 226, 

 Bullfinch, 225. 

 Crow, 224. 

 Sparrow, 225. 

 Jfitmice, 225. 



, instincts exemplified in 



African darter, 17 

 Cuckoo 10. 



