86 Ins. 
XIII. INSECTA. 
[ 1904 ] 
Mental capacities of ants, Wasmann (1483). 
Recognition among ants, Fielde (506). 
Hearing, ants, experiments, Fielde & Parker (508). 
Pupa sensitive to sound, Schuster (1258). 
Ants and light-rays, Fielde (502). 
Phototaxis, Ranatra , Holmes (698). 
Sensitiveness of butterflies to light, Parker (1011). 
Light that attracts Lepidoptera , Perraud (1031, 1032). 
Choice of flowers by Syrphidce , Willis & Burkill (1533). 
Nervous system and respiration Acridiidw , Ewing (472). 
Prey-stinging and nidification, Hymenoptera , Brethes (181). 
Instinct of Pompilus viaticus , Picard (1080). 
Sleep, Pictet (1082). 
Permanent night-quarters, Aeschna etc., Slevogt (1305), 
Insect swarms on mountain-tops, Poulton, pp. xxiv-xxvi, P. ent. Soc. 
London 1904. 
Gregarious hibernation, Kellogg, pp. xxiii, xxiv, P.ent. Soc. London 1904. 
Migration of Crenisboisduvali Bell-Mauley, p. 116, Entomologist 1904. 
Migration of P. cardui , Aigner-Abafi (19), see also Lepidoptera , Nym- 
phalidce. 
Migrations of Chermes } variable, Cholodkovsky (274). 
Migration of butterflies in the Amazons valley, Goeldi (616). 
Migration, butterflies, Ceylon, M anders (901). 
Popular summary, sounds of Coleoptera, Hirsch (692). 
Stridulation of Gychrus , Jontel, p. 60, J. N. York Ent. Soc. xii. 
Sound -production, Lamellicorn Col., Arrow (38). 
Stridulation, Passalidce , Sharp (1284). 
Sound-producing caterpillar, Packard (1009). 
Courting, mayflies, Moore, p. 289, Ent. News Philad. xv. 
Male and female relations, Phassus schamyl, Schaposchnikow (359). 
Copula, insects of different genera, Rainbow (1118). 
Noctuids of different species in cop., Dod, p. 288, Canad. Ent. xxxvi. 
Copula and oviposition, Anabius , Gillette (607). 
Copula, no. of eggs, Anasa , Girault (611). 
No. of eggs deposited by an ind., Girault (609). 
Cop. between £ and hermaphrodite, Joannis, p. 280, Bull. Soc. ent. 
France 1904. 
Blood -sucking and oviposition etc. Culieidce , Goeldi (615). 
Oviposition of eggs of Hemiptera on the back, Giard (597). 
Oviposition Bombyx mori , number of eggs, fertility, rapidity of deposition, 
Gal (579). 
Oviposition, Orcheliinum , Hancock (656). 
Oviposition Culex, Knab (822). 
Oothecas of Cassididce and their construction, Muir & Sharp (969). 
Maternal solicitude, Kirkaldy (814). 
Protecting eggs, Tectocoris, Dodd (395). 
Idolothrips , eggs protected, Froggatt (556). 
Apis mellijica , nesting at large, Bouvier, p. 187, Bull. Soc. ent. France 
1904. 
Bombi in Arctic regions, Friese (552). 
Biology of stingless bees, abstract of von Ihering’s last year’s paper, 
Grunberg (642). 
Symbiosis of bees and Acari, Spolia zeylan. i, pp. 117-119. 
Nests of wasps, Du Buysson (218). 
Nests of brazilian social Vespidce, Ducke (411 ). 
Nest of Vespa germanica, census, Pechlaner (1014). 
Nest of Vespa austriaca with ru/a, Beresford, p. 242, Irish Natural. 
1904. 
