PAG 15 
Physiology=3511-4811 : — 
General 
Parthenogenesis . . 
Sex. . 
Caste ( vide Postembryology) 
Hermaphroditism . . 
Senses 
Particular functions 
Metabolic 
Pigment, colour 
Environmental 
Chemical . . 
Development=3515-4815 : — 
General 
Regeneration 
Oogenesis, Spermatogenesis 
Fertilisation . . . . * . . 
Embryology 
Postembryology, Metamorphosis 
Organogeny 
Larvae 
Ethology=3519-4819 : — 
General 
Ant-life . . . . 
Bee-life 
Wasp-life.. 
Termite- life 
Cavernicolous 
Aquatic 
Gregariousness . . 
Migration, flight 
Sound-production (vacant) 
Food-habits 
Parasitic 
Nests, Habitat 
Sex-relations 
Oviposition and parental. . 
Hibernation 
Phenology. . 
Instinct and psychology . . 
Attitude 
Luminosity 
Resemblance and utility . . 
Natural history, special cases 
Pupal habits, cocoons 
Insects and plants 
Galls 
Acclimatisation 
104 
104 
104 
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106 
