2 
Development = 6015 : — 
Ovum, oogenesis 
Spermatozoon, spermatogenesis... 
Embryology 
Post-embryonal ... 
Ethology = 6019: — 
Sexual and Parental 
Instinct, Mental processes and Psychology 
Senses, Voice 
Habits 
Migration, hibernation ... 
Variation and ./Etiology = 6023 : — 
Variation, abnormalities ... 
Hybrids ... 
Heredity 
Evolution, Phylogeny 
Relative weights 
Geography = 6027 : — 
Europe = d and da to d/c 
Scandinavia, etc. da ... 
Russia Europea db 
German Empire dc 
British Islands de 
Prance df 
Spain dg... ... ... 
Italy dh ... 
Switzerland di ... 
Austria-Hungary dk ... 
Mediterranean Islands dm 
Asia = e ... 
Asiatic Russia ea 
China and Tibet eb ..< 
Japan and Korea ec 
Cochin China, etc. ed ... 
British India ef. . 
Malaya, etc. eg... 
Persia and Syria eh and ei 
Africa and Madagascar = f 
North America = g 
Central and South America, Antilles = h 
Australasia and Southern Ocean = i ... 
III. Systematic = 6031 : — 
Nomenclature 
Primates 
a. Anthropoidea .. 
Hominidae and Simiidae 
Cercopithecidae 
Cebidae and Hapalidae 
b. Lemuroidea 
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