ANT COMMUNITIES 



Sensibilities in antenmr, 149. 



Sensory organs, key to intelli- 

 gence, 150. 



Sentinels, 123, 124, 299. 



Sentries, 10. 



Shakespeare on insect com- 

 munes, 298. 



Shampoo dejeune, 252. 



Shining slave-maker, 263. 



Silence of ant work, 45, 48. 



Silk-made nest, 32, 34. 



Slave-making ants, 200, 258; 

 communes, founding of, 261 

 et seq. 



Slave-making habit, how formed, 

 264. 



Slavery, human, compared with 

 ant, 261-262; raid described, 

 276. 



Slaves eaten, 83. 



Slingerland, Prof. M. V., 245. 



Social insects, 1, 2. 



Soldier caste, 11, 115. 



Solenopsis fugax, 254, 256. 



Solenopsis molesta, 257. 



South African ants, 9. 



South American ant, 32. 



Sphinx atropos, 138. 



Spiders, American, and Their 

 Spinning Work, McCook, 177. 



Spiders, stridulating, 40; an- 

 cestral, and their habits, 177; 

 fossil, 177. 



Spinning habit, 32. 



Spiracles, use of, 136. 



Spirit of the commune, 40. 



Stanley, Henry M., 192. 



Steering committee for queen. 

 164. 



Stem-mother of aphis, 246. 



Stinging organs, rudimentary, 

 207-209; of Pogonomvrmex, 

 described, 207-209. 



Store-rooms for grain, 21, 115. 



Stridulation, as language, 140; 

 organs in ants, 143, 145, 146; 

 modes of, among locusts, 

 crickets, and grasshoppers, 

 141, 143; delicate sounds, 144. 



Structure of ants, 111. 



Subterranean career, 185. 



Swarming of sexes, 174. 



Sweet tooth of ants, 79. 



Symbiosis, with plants, 37, 81. 

 Sympathetic excitement, incit- 

 ing to marriagj-flight, 178. 



TENACITY of life, 108. 



Termes flavipes, 85, 225. 



Termites, 84, 117, 119. 



Tetramorium ccespitum, 152, 212, 

 221. 



Thief-ants, 254-255. 



Tidiness of ants compared with 

 working-men, 284. 



Tmesiphorus costatis, 230. 



Tongue, 80; described and illus- 

 trated, 280. 



Tools, natural, of ants, 53. 



'Topochemical trail," 154. 



Trachymyrmex septentrionalis, 99. 



Transportation methods, 57. 



Tree-nests, 32. 



Tree-trails, 101. 



Trenchers, communal big-headed 

 caste, 116. 



Trossachs, ants of, 58. 



Tunnels under streams, 66. 



UBIQUITY of ants, 79. 

 Underground wars, 219. 



VENTILATION, 284. 

 Vieveck, Mr. H. L., 25. 

 Voice of ants, 136. 

 Voltaire, 51. 

 Von Ihering, Dr. H., 95, 98. 



WAR, how ants carry on, 211; 

 origin, 274; brutal but nat- 

 ural, 190; alarms, 193; war 

 note of bee, 127; return from, 

 216. 



Warrior ants and their equp- 

 ment for war, 190 et seq., 258; 

 all workers are, 202. 



Wassman, Father Edmund, 200, 

 231, 254-255, 257. 



Waste products disposed of by 

 ants, 81. 



Watchers, queen's guard, 162. 



Weapons, 206. 



Wheeler, Prof. William M., 17, 

 29, 86, 99, 145, 146, 175, 176, 

 199, 227, 236, 257, 258, 264, 

 273. 



320 



