2 
PAGE 
Development = GO 15 : — 
Ovum, oogenesis . . 
Spermatozoon, spermatogenesis. . 
. # 
48 
. . 
48 
Embryology 
48 
Post-embryonal . . 
49 
Ethology — G019: — 
General 
49 
Habits (of species) 
50 
Habits (special) .. 
50 
Sexual 
50 
Colour, Utility 
50 
Variation and Aetiology = 6023: — 
Variation . . 
50 
Teratology 
51 
Heredity . . 
• f 
51 
Crosses and Hybrids 
51 
Evolution . 
51 
Geography = 6027 : — 
General 
51 
Europe = d and da to dk 
51 
Europe and Mediterranean islands d . . 
51 
Scandinavia, etc. da 
51 
Russia europea db 
51 
German empire dc 
52 
Holland, Belgium, etc. dd 
52 
British Islands de 
52 
France df 
52 
Spain d<j .... 
52 
Italy, Sardinia dh 
52 
Switzerland di . . . 
52 
Austria Hungary dk . . 
53 
Balkan Peninsula dl . . 
53 
Mediterranean Islands dm 
53 
Baltic islands do 
53 
Asia = e . . 
53 
Asiatic Russia ea 
53 
China, etc. eb . . 
Japan, etc. ec ... 
53 
53 
Cochin China, etc. ed . . 
53 
British India ef . . 
53 
Malay Peninsula, etc. eg 
53 
Persia, eh 
54 
Arabia, Asiatic Turkey ei 
54 
Africa and Madagascar —f . . 
54 
North America = g 
54 
Central and South America, Antilles : 
= h 
55 
Australasia and Southern Ocean = i 
55 
Arctic 
56 
Atlantic islands — l 
56 
