8 
CONTENTS. 
Page. 
Revenue and Income. . i 
Comparison of Distances by Pana- 
ma, Nicaragua, and Tehuante- 
pec Routes 120 j 
Extract of Letter from Hon. Geo. 
M. Dallas 121 
Table of Passengers, Freight, and 
Gold, between Atlantic States 
and California, by different 
Routes 121 
Comparison of Harbors of the Isth- 
mus Routes 123 
Extent of Whale Fishery in the 
Pacific 123 
Requirements of Cahfornia 126 
Report of Naval Committee on 
Steamers between San Francis- 
co and China 128 
Effects of Winds and Currents on 
Sailing Ships 129 
Value of Imports into Great Britain 
from Asia and the Pacific Ocean 130 
Geology and Mineralogy. 
Character of the Pacific Slope .... 150 
Dividing Ridge 151 
Middle Division 153 
Atlantic Plains 154 
Discovery of Gold on the Isthmus 156 
Iron Ore 158 
Cinnabar Ore 159 
Obsidian 159 
Petroleum 159 
Salt 160 
Stability of the Isthmus 161 
Climate. 
Disposition of Mountains, etc 162 
Humidity of Atmosphere 164 
Prevailing Winds 165 
Rainy Season 166 
Temperature 161 
Sanitary Condition of the Isthmus 170 
Precautions to be Observed....... Ill 
Epidemics 1*71 
Report of Dr. Kovaleshi 1*73 
Vegetable Productions. 
Distribution of Plants on the Isth- 
mus 180 
Influence of Temperature on Vege- 
tation 181 
Valuable Timbers 183 
India-rubber Tree 183 
Ixtle (Bromelia Pita) 184 
Page. 
The Canadian Railway Project ... 131 
Comparison of Time between Eng- 
land and China, via Panama, 
Suez, and Tehuantepec 131 
Advantages of Tehuantepec Route 
to U. S. Government 133 
Supply of Coal for Pacific Steam- 
ers 134 
Mr. Buchanan's Instructions to Mr. 
Trist with reference to Purchase 
of Tehuantepec Route 135 
Statement of American Trade 
with Asia and Pacific 136 
Nicaragua Ship Canal 137 
Emigration to Cahfornia 138 
Extent and Value of the Garay 
Grant 140 
Way Trade 140 
Value of Isthmus Productions.... 142 
Australian Emigration 144 
General Review 145 
Maize, Sugar, Tobacco, etc. 185 
Theobroma Cacao 187 
Vegetable Dyes 189 
Vegetable Gums and Balsams... . 191 
Fruits 192 
Durability of Timber 194 
Botanical Tables , 197 
Animals. 
Domestic Animate 201 
Wild Animals 205 
Birds 208 
Reptiles 210 
Fish 212 
Insects 212 
Mollusca 216 
Inhabitants. 
European Population 217 
Creoles 217 
Mestizos 218 
Indians 219 
Aztecs and Agualulcos , 219 
General Appearance , 219 
Characteristics 220 
Subsistence 221 
Dress 221 
Degradation 222 
Dona Marina 224 
Mijes : 224 
General Character 225 
Zoques 225 
PART II. 
