BIOLOGY. 
Ins. 93 
Parthenogenesis, Phillips (1131). 
Parthenogenesis, in bee, the polar bodies in drone, Petrunkewitsch 
( 1123). — Perez and Dzierzon’s views, Casteel & Phillips (283). — 
Parthenogenesis of drones, Bachmetjew (58) ; see also f. determination 
of sex. 
Parthenogenesis in Halictus and Aphidce , Fabre (474). 
Parthenogenesis in Tenthredinidce , van Rossum (1280), also Tijdschr. 
Ent. xlv, pp. 70-72, Yerslag, and Tijdschr. Ent. xlvi, pp. 5-14, Verslag. 
Parthenogenesis in Aleyrodidce , Morrill (1038). 
Parthenogenesis, male Lecanium hesperidum , the view of Moniez, 
Newstead (1064). 
Parthenogenesis, reputed of Culicidce, Luhe (953). 
Art. Parthenogenesis, silkworm, Tichomiroff (1716). 
Parthenogenetic ants producing females, Wheeler (1679). 
Centrosome in Vanessa , Cybister etc., Voinov (1617). 
Function of Digestion, Porta (1188). 
Food of caterpillars and variation and determination of sex, Pictet 
( 1171); influence of food and of humidity, Pictet (1172). 
Food-experiments, fertility etc., Kellogg & Bell (811). 
Secretion of honey -dew, Aleurodida Peal (1105). 
Excretion in Insects and other Arthropoda , Bruntz (232). 
Alternation of generations, Beijerinck (92). 
Luminescence, Lampyridce , Bougardt (148). 
Increase and decrease of Colaspidema , Roule (1298). 
Grafting experiments, Lepidoptera , Tafner (1508). 
Flight, Lendenfeld (929). 
Imago produced by a parasitised larva, Chapman, p. xxxi, P. ent. Soc. 
London, 1903. 
2. Ethology Habits, Instinct, including Senses, Psycho- 
logy. (Organs of Sense, see lc, p 9l.) 
Elementary work, Hunter (747). 
Account of recent progress in biology of Ants, Escherich (1712). 
Instinct, Fabre (474), Kellogg (810). 
Insect psychology, instinct, Folsom (526). 
Variations in Instinct, experiments, Schroder (1354). . 
Psychology, Bethe’s views, Forel (532). 
Notes on Miss Fielde’s observations on Ants, Forel (534). 
Sight, Heycke (702). 
Sight and smell, Andreae (29), P^rez (1110). 
Ocelli, function, Ducke (420). 
Oviposition of Bombyx with incomplete fertilisation, Gal (591). 
Maternal instinct, Pentatoma , Fabre (474). — Maternal solicitude in 
Rhynchota and other insects, Kirkaldy (845). — Elasmostethus griseus 
guarding its eggs and young, Pierre (1176). — Maternal and paternal 
instinct, Xambeu (1701). — Maternal instinct, Forjiculidce , Xambeu (1702). 
Sense of direction, bees, Hilgendorf (704). 
Coming home of bees, Kathariner (804). 
Origin of social phenomena in Hymenoptera , R. von Ihering (749). — 
Origin of social life of bees, Buttel-Reepen (252, 253). 
Bees’ cells, mathematics, Everett (470). 
Swarming of bees; form of the cells in the comb, Kulagin (890), 
Buttel-Reepen (254). 
Stingless bees, Biology, nests, distinctions of social and solitary bees; 
wasps in S. America, von Ihering (748). 
Biology of northern Bombi; the trumpeter, Bengtsson (97). 
