476 The American Naturalist. [May, 
RECENT LITERATURE. 
Wheeler’s Report Upon the United States Survey West 
of the One-Hundredth Meridian.'—An approximate notion of 
the extent of the work of the United States Survey west of the one- 
hundredth meridian, and of the labor involved in putting it upon 
record, may be had by a consideration of the extent of the territory 
involved. 
The area within the United States west of the one-hundredth meri- 
dian of longitude (1,443,360 square miles) embraces, entire, the basins 
of'the Colorado (270,000 square miles), Interior (208,600 square 
miles), Coast (100,900 square miles), and Sacramento (64,300 square 
miles); also that part of the Columbia (215,700 square miles) south 
of the forty-ninth parallel, and portions of the basins of the Missouri 
(338,200 square miles), Rio Grande (123,000 square miles), Arkansas 
(75,500 square miles), Brazos (34,800 square miles), and the Red River 
of the North (3,360 square miles). 
Volume I., recently issued, closes the series. It is devoted to the 
geographical report, and is a most interesting as well as comprehensive 
description of the areas occupied, and their population, with their in- 
dustries, their communications, irrigation systems, and artesian wells. 
The chapter on the Indians is the result of the author’s personal obser- 
vations, and contains advice worth heeding. 
Appendix F contains a detailed account of the operations of the 
Wheeler survey. The first expedition took the field in May, 1871. 
The area embraced was 72,250 square miles, including portions bg 
Central, Southern, and Southwestern Nevada, Eastern California, 
Southwestern Utah, Northwestern, Central, and Southern Arizona. 
The survey of 1872 commenced on July 7th, and was completed r 
the 11th of December. The area embraced was 47,866 square miles, 
including portions of Central, Western, and Southwestern Utah, 
tern Nevada, and Northwestern Arizona. 7 
‘In 1873 the expedition took the field in three divisions, organized 
respectively at Santa Fé, New Mexico; Salt Lake City, Utah; and 
Denver, Colorado. The area embraced was 72,500 square miles, 
including portions of Central and Southern Utah ; Northern, 
IR, Unc i i t of the One-Hundre®® 
Meridian, in Soca doaa eran Ar Wise Coney ae United States 
ides 
Army,| under the Direction of the Chief of Engineers, United States Army. Volume 
Geographical Report. 
