PAGE 
Development = 6015 : — 
Ovum, oogenesis, spermatozoon, spermatogenesis 
.. 33 
Embryology 
.. 33 
Post- embryonal . . 
.. 33 
Ethology = 6019 : — 
General 
.. 33 
Habits ; Life-histories . . 
. . 33 
Habits (of species) 
. . 34 
Variation and Aetiology = 6023 : — 
Variation . . 
.. 34 
Hybrids . . 
# . 
.. 34 
Evolution . . 
, , 
.. 34 
Heredity . . 
.. 34 
Geography = 6027 : — 
Europe — d and da to d/c 
.. 34 
Scandinavia, etc. da . . 
.. 34 
Russia in Europe db 
.. 34 
German empire dc 
.. 34 
Holland, Belgium, etc. dd 
.. 34 
British Islands de 
.. 35 
France df 
. . 35 
Spain and Portugal d<j. . 
.. 35 
Italy dh 
.. 35 
Hungary, Balkan Peninsula dk dl 
.. 35 
Mediterranean Islands dm 
. . 35 
Asia = e . . 
.. 35 
Asiatic Russia ea 
.. 35 
China and Tibet eb 
.. 35 
Japan and Korea ec . . 
.. 35 
Cochin China, etc. ed . . 
.. 35 
British India ef. . 
. . 35 
Malay peninsular and islands eg 
.. 35 
Persia eh 
.. 36 
Africa and Madagascar — f 
North America = g 
.. 36 
Central and South America, Antilles = h 
.. 37 
Australasia and Southern Ocean = i . . 
.. 37 
