INDEX. 



433 



MYR 



Myrmeoooystus viexicanus, honey- 

 holding individuals among, 19 ; 

 foragers bring supplies of honey 

 to them, 48 



Myrmecodia armata, its associa- 

 tion with ants, 58 



Myrmecophilous insects, 68-78 



Myrmica mginodis, period of lar- 

 val life in, 7 ; length of life of 

 males of, 9 ; origin of a nest of, 

 32 ; observations on a wounded 

 specimen of, 96 ; experiments 

 as to recognition among, 121 ; 

 as to communication among, 

 164 ; illustration of terminal 

 portion of antenna of, 227 ; 

 sense-organ in tibia of, 233 ; 

 their mi willingness to face a fall, 

 245 



— scabHnodis, cowardly nature 

 of, 27 ; Platyarthrus a guest of, 

 75 



MyrmicidcB, one of the three fa- 

 milies of ants, 1 ; correlation of 

 form of knot with power of 

 stinging in the, 13 



NECTARIES, uses of, 66 

 Nests for ants, artificial, de- 

 scribed, 3, 164 ; of ants classified 

 and described, 23, &c. ; three 

 modes of formation of, sug- 

 gested, 30 ; of Lasius niger de- 

 scribed and illustrated, 42 



Neuters among ants, production 

 of different forms of, 22 



Normann, M. de, honey ants 

 bronght from Mexico by, 48 



OCELLUS, or simple eye, in 

 ants, ] ; absent in the work- 

 ers of some species, 11 ; origin 

 of, 182 ; function of, 407 

 (Ecodoma eephalotes, the Saiiba 

 ant, five kinds of individuals 

 among, 21 ; extent of nest cf, 

 24 ; leaf-cutting among, 237 ; 

 intelUgence of, 239 



roQ 



CEcophyllM, sting in, 13 



Organ of sense in antenna of ant, 



226; in tibia of Gryllus, 231; 



in tibia of ant, 232 

 Ormerod, Mr., as to the sense of 



hearing among wasps, 221 

 Ova of aphis described, 71 note 



PARASITES of ants, 26, 67, 74, 

 394, 395 ; of bees, 26 



Pass -word, experiments as to, 

 among ants, 108 ; supposed use 

 of, among bees and ants, 126 ; 

 experiments as to, with pupaj, 

 1 29 ; existence of, apparently 

 disproved, 147 



Pets, domestic animals kept as, by 

 savages, 77 



Phases of life among men and 

 ants, analogy between, 91 



Pheidole megacejj/iala, pugnacity 

 of small workers of, 20 ; experi- 

 ment as to power of communi- 

 cation among, 180 ; sense-organ 

 in tibia of, 233 



— jmllidula, the ej'e in, 11 ; com- 

 munication among, 158 



— providens, its storage of grass 

 seeds, 60 



Phora formicarwm, its attacks 



on ants, 26, 74 ; described, 394 

 Phoridce parasitic on ants, 67 74 ; 



new genus and species of, 394 

 Pigs kept as pets by savages, 77 

 Plagiolepis 2)ygmcBa,t\\e eye in, 11 

 Plants, relation of ants to, 50 ; 

 their different modes of defence 

 against unprofitable insects, 51; 

 benefited by the action of in- 

 sectivorous ants, 59 

 Plato, epigram by, quoted, 185 

 Platyarthrus Hoffmanseggii,&gn&si 

 of the ants, 75 ; experiments 

 with, 90, 407 

 PlatyphoraLulbockiifil-jdLescnhQd, 



396 

 Pogonomyrmex barbatvs, stores the 

 'ant-rice,' 61 



