2 
Morphology ==0207 — pagb 
General, Miscellaneous .. .. .. .. .. 13 
External . . . . . . . . . . . . . . 13 
Myology . . . . . . . . . . . . . . 13 
Nervous System . . . . . . . . . . . . 14 
Physiology = 0211— 
General . . . . . . . . . . . . . . 14 
Cytological. Protoplasm and cell . . . . . . 14 
Sex . . . . . . . . . . . . . . . . 14 
Metabolic (vacant) 
Function . . ... . . . . . . . . . . 14 
Colour . . . . . . . . . . . . . . 14 
Environment, Adaptation . . . . . . . . . . 14 
Vitality, Senescence, Death . . . . . . . . 14 
Chemical .. .. .. .. .. .. 14 
Devel opment =021 5 — 
General . . . . . . . . . . . . 14 
Ovum, oogenesis (vacant) 
Spermatozoon, spermatogenesis . . . . . . . . 14 
Fertilization . . . . . . . . . . . . . . 14 
Parthenogenesis . . . . . . . . . , . . 14 
Embryology. Metamorphosis . . . . . . . . 14 
Regeneration (vacant) 
Ethology=0219 — 
General . . . . . . . . . . . . . . 14 
Phenology . . . . . . . . . . . . . . 14 
Migration, Flight .. .. .. ,. .. .. 14 
Food-habits . . . . T . . . . . . . . . 14 
Parental (vacant) 
Sexual (vacant) 
Social (vacant) 
Luminosity (vacant) 
Parasitism . . . . . . . . . . . . . . 14 
Voice (vacant) 
Habitat, inch Speleology . . . . . . . . . . 14 
Oceanic, Plankton general .. . „ .. .. 14 
Psychology, Tropisms . , . . . . . . . . 15 
Aetiology and Variation = 0223 — 
General .. .. .. .. .. .. .. 15 
Variation, Mutation. . .. .. .. .. .. 15 
Teratology . . . . . . . . . . . . 15 
Telegony }< vacant > 
Heredity . . . . . . . . . . . . . . 15 
Evolution. Origin of species . . .. .. .. 15 
Phylogeny .. .. .. .. ..15 
