a.” 
New Mezico ane 
e desert region and entering a v 
cam 
were led to a hot spring near Warner’s ran- 
cheria, having a temperature of 137° F., which: 
discharged from the fissure of a granite rock, 
: meee volume of water; and for a long dis- 
e down, it sa the air-with. fumes of 
ieintemied hydrog . 
e accompanying “cut is a much reduced 
copy of a sectional ‘lew of the Rocky moun- 
tains, made from the barometrical observations 
of the 
Many new ; plants were collected in the course 
of this expedition, which are partly described’ 
in an appendix by Prof. Torrey, with an ac- 
count of the ferns by Dr. Engelmann. Seve- 
ral lithographic plates are inserted in the vol- 
ume, illustrating the regions visited, besides 
upwards of thirty species of plants. 
Lieutenant Apert was attached to the party 
under Lieutenant Colonel Emory, and was 
principally ep in esploning the region 
of New Mexic 
This repre “like the preceding, contains 
much scientific information, both cages 
botanical, and also 0 zoological, illustrated by 
plates of fossils, etc. There is besides a vocab- 
ulary of the language of-the Cheyenne Indians, 
who live near Bent’s Fort. The author men- 
tions the loss of many valuable papers, and 
among them a grammar of the Cheyenne lan- 
guage, while on his winter’s return to St. Louis. 
We cite from the report some of the facts 
bearing on geology, referring to it for informa- 
tion on its many-other t topics. 
At Bent’s Fort specimens of selenite bi 
brought i in, besides quartz crystals. Near th 
Raton Pass, in latitude 37° 15’, longitude 10 4° 
35’, a bed of bituminous coal was discovered, 
ina Hee bluff bank. The fossil leaves asso- 
Es als see Gash $i 
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