3 
PAGE 
Aetiology and Variation =0223 — 
General 
58 
Variation, Mutation. < 
59 
Teratology . . 
59 
Hybrids. Telegony 
59 
Heredity 
59 
involution. Origin of species 
60 
Geography = 0227 — 
General 
• • 
61. 
Expeditions. Travels 
» • 
61 
Faunae : — 
Europe and Mediterranean 
62- 
Asia 
64 
Africa 
64 
North America 
65 
South America 
66 
Australasia 
66 
Arctic 
66 
Atlantic 
66 
Indian Ocean 
66 
Antarctic . . 
66 
Taxonomy— 0231 
66 
( n -11091 q) 
a 1—2 
