2 
Morphology = 0207 — 
PAGK 
General, Miscellaneous 
.. 12 
Nervous System 
.. 12 
Blood 
.. 12 
Physiology = 0211 — 
Oytological. Protoplasm and cell 
.. 12 
Sex . . 
Metabolic (vacant) 
.. 12 
F unction 
.. 12 
Colour . . . , 
.. 12 
Environment, Adaptation . . 
Vitality, Senescence, Death (vacant) 
.. 12 
Chemical 
.. 12 
Development = 02 15 — 
General 
Ovum, oogenesis (vacant) 
Spermatozoon, spei’inatogenesis (vacant) 
.. 13 
Fertilization . 
.. 13 
Parthenogenesis 
Embryology. Metamorphosis (vacant) 
.. 13 
Regeneration 
.. 13 
Ethology =02 19 — 
General 
.. 13 
Phenology . . 
.. 13 
Migration 
Food-habits (vacant) 
Parental (vacant) 
Sexual (vacant) 
.. 13 
Social 
.. 13 
Luminosity . . ; . . . . 
.. 13 
Parasitism 
Voice (vacant) 
Habitat, inch Speleology (vacant) 
. . 13 
Oceanic, Plankton general 
.. 13 
Psychology, Tropisms 
.. 13 
Aetiology and Variation = 0223 — 
General 
.. 13 
Variation, Mutation. . 
Teratology (vacant) 
Hybrids (vacant) 
Telegony 
.. 13 
.. 13 
Heredity 
.. 13 
Evolution. Origin of species 
Pliylogeny (vacant) 
., 13 
