2 
Development = 6015 : — ■ 
Ovum, oogenesis ... 
Spermatozoon, spermatogenesis.,. 
Embryology 
Ethology = 6019 : — 
General ... 
Instinct, Mental Processes, Psychology 
Habits 
Seasonal changes, etc 
Variation and ^Etiology = 6023 : — 
Variation ... 
Abnormalities 
Hybrids ... 
Heredity 
Evolution ... 
Geography = 6027 : — 
Europe = d and da to dk 
Scandinavia, etc. da 
Russia European db 
German Empire dc 
Holland and Belgium dd 
British Islands de 
France df 
Spain dg 
Italy dh... 
Switzerland rft ... 
Austria-Hungary dk 
Mediterranean Islands dm 
Asia = e 
Asiatic Russia ea 
China and Tibet eh 
Japan and Korea ec 
Cochin China, etc. ed 
British India ef . . 
Malaya, etc. eg ... 
Persia, Syria and Arabia eh and ei ... 
Africa and Madagascar = / 
North America = g 
Central and South America, Antilles = h 
Australasia and Southern Ocean = i ... 
III. Systematic = 6031 : — 
Primates 
a. Anthropoidea 
Hominidae and Simiidae 
Cercopithecidae 
Cebidae and Hapalidae 
b. Lemuroidea 
