INDEX. 



443 



INS 



182 ; their hearing, 221 ; pos- 

 sibly possess senses inconceiva- 

 ble to ourselves, 225 



Insensible ants, experiments with, 

 99-108 



Intelligence among ants, 181,236; 

 experiments as to, 2iO 



Intoxicated ants, experiments on, 

 111 ; tabular view of experi- 

 ments, 118; experiments re- 

 ferred to, 128 



KEENER on floral defences, 52 ; 

 on the uses of nectaries, 56 

 Knot in ants, specific characters 



offered by form of, 13 

 Kirby and Spence, Messrs., as to 

 power of communication among 

 ants, 156 ; on the power of sound 

 in Mutilla, 229 



IABOUR, division of, among 

 i ants, 23, 44 ; experiments as 

 to economising, 240 ; tabular 

 view of experiments on, 324-332 



Landois, on the sound emitted by 

 Mutilla, 229; on stridulating ap- 

 paratus in ants, 230 



Langstroth, Dr., as to recognition 

 by smell among bees, 281 ; on 

 their recklessness, 285 



Larvte of ants described, 6 ; of 

 stranger nests carefully tended, 

 129 



LasiitshrmineiispTeievs the aphides 

 of the bark of trees, 68 



— flavns, period of larval life in, 

 7 ; the eye in, 11 ; will not 

 adopt a strange queen, 32 ; mites 

 in tlie nest of, 67; keeps flocks 

 of the root-feeding aphis, 68 ; 

 keeps four or five species of 

 aphis in iis nests, 73 ; Plattj- 

 a/rthrvs a guest of, 75, 90 ; they 

 have arrived at the ' pastoral 

 stage' of progress, 91 ; their 

 behaviour to a dead queen, 108 ; 

 to chloroformed friends and 

 strangers, 108-111; to intoxi- 



cated friends and strangers, 111 ; 

 their treatment of strangers, 

 123 ; perception of colour among, 

 190, 193, 195 ; experiments as 

 to sense of hearing among, 223 ; 

 stridulating apparatus in, 231 ; 

 structure in tibia of, 232 ; want 

 of ingenuity among, 248 ; earth- 

 works constructed by, 249 ; ex- 

 periments with, as to power of 

 communication, 365 ; as to co- 

 operation, 372; new species of 

 mite found in nests of, 429 

 Lasius niger, workers among, 19 ; 

 fed by aphides, 25 ; eggs laid 

 by workers among, 37 ; longe- 

 vity of, 42 ; typical nest of, illus- 

 trated, 42 ; and described, 44 ; 

 tliey carry seeds of violet into 

 their nests, 59 ; their choice 

 among aphides, 68 ; Platy- 

 arthrus a guest of, 75 ; Heta;rius 

 found in nests of, 77 ; experi- 

 ment s as to Claviger in nests of, 

 90 ; observations on a wounded 

 worker among, 95 ; experiments 

 with buried individuals of, 102 ; 

 with pupjB as to recognition 

 among, 131 ; as to power of 

 communication among, 160, 163, 

 172, 175, 356-362, 377; as to 

 perception of colour among, 191, 

 201 ; as to their intelligence, 

 240 ; their want of ingenuity, 

 242, 246; as to scent, 258; as 

 to sense of direction among, 

 260; Plwra formicarum para- 

 sitic on, 433 



— fuliginosus, the eye in, 11 ; 

 stridulating apparatus in, 230 



Latreille quoted as to compassion 

 shown by ants, 94 



Leaf-cutting ants, 57 



Legs of ants described, 12 



Leptothorax acervornm, Platy- 

 arthrus a guest of, 75 ; Tomo- 

 gnathus in nests of, 87 note 



— muscornm, Tomognathvs in 

 nests of, 87 note 



