INDEX. 



Page. 



Agricultural regions 12-1::! 



Agriculture in California 14 



Alfalfa 80,45 



Alleghanian area 20-24 



Birds 20 



Cereals 21 



Flax 24 



Fruits. ". 21-24 



Hops 24 



Mammals - 20 



Maple sugar 24 



Nuts..... 20-21 



Sorghum 24 



Sugar beet '. 24 



Sweet corn 24 



Trees 20 



White potatoes 24 



Almonds 45, 48 



Amatungula 52 



Apples — 



Alleghanian area 21-22 



Arid Transition area 26 



A ustroripariau area 46 



Carolinian area 32-33 



Gulf strip 50 



Lower Sonoran area 42 



Pacific Coast Transition area 29 



Upper Sonoran area 37-38 



Zone ranges of 57-61 



Apricots — 



Austroriparian area 47 



Carolinian area 33 



Lower Sonoran area 42 



Upper Sonoran area 38 



Zone ranges of 02 



Arctic- Alpine zone 18-19 



Hirds 18 



Mammals '. 18-19 



Plants 18 



Arid regions 15 



Arid Transition areas 25-27 



Birds ..' 25 



Cereals 25-26 



Flax 27 



Fruits 26-27 



Mammals 25 



Potatoes 27 



Sugar beet 27 



Austroriparian area 45-49 



Birds 45 



Castor-oil bean 49 



Cereals 46 



Page. 



Austroriparian area— Continued. 



China, .grass 



Cotton 



49 



49 



i Cowpeas 49 



Fruits 46-48 



Jute 49 



Lima beans 49 



Mammals 45 



Nuts 48 



Rice 49 



Sorghum 49 



Sugar cane 49 



Sweet potatoes 49 



Tea 49 



Tobacco 49 



Trees - 45 



Turpentine 49 



Avocado 42, 52 



Banana 52 



Barbados gooseberry 52 



Barley— 



Alleghanian area 21 



Arid Transition area 26 



Austroriparian area 46 



Carolinian area 31 



Lower Sonoran area 42 



Upper Sonoran area 37 



Bergamot orange 49, 52 



Birds— 



Alleghanian area 20 



Arctic-Alpine zone 18 



Arid Transition area 25 



Austroriparian arna 45 



Canadian zone 19 



Carolinian area 31 



Gulf strip 49 



Hudsonian area 19 



Lower Sonoran zone 10 



Lower Sonoran area 11 



Pacific Coast Transition area 27 



Transition zone 20 



Tropical 52 



Bitter oranges 49 



Black currants 23 



Black wattle 45 



Buckwheat— 



A lleghaniau area 21 



Arid Transition area 26 



Carolinian area 31 



Pacific Coast Transition area 29 



California, development of agriculture 14 



Camphor 53 



75 



