324 Marcou’s Geology of the United States. 
view of the geology of the continent with reference to the geo- 
logical map; (8) a classification of the mountains of part of North 
America; (4) a review of his reviewers; (5) a history of the pro- 
gress of American geology. e question important to geolo- 
gists—to European more than American—is, whether American 
geology is correctly represented. 
I. Hisrory or GEoLoGy.—Mr. Marcou commences by repub- 
lishing the observations of Maclure on the Geology of the United 
States with the accompanying map, from Vol. VI. of the Trans- 
actions of the American Philosophical Society, doing full justice 
to this earliest of American explorers. He reviews the labors 
of many who have followed him, making honorable mention, as 
he should, of Vanuxem, one of the ablest of our geologists, of 
Hitchcock, Owen, and others. But we are sorry to see 1mpéer- 
fections in the history, which evince that personal disappoint: 
ments have warped the author’s judgment. Professor Hall's 
connection with American paleontology is well known to the 
world. Mr. Marcou, enumerating in a paragraph the cultivators of 
a in America, mentions “ Lesueur, Harlan, J eae 
etc.” ; Hall’s name is not included. He has honored him, how- 
ever, with a separate paragraph, i i 
leontology of the State of New York by James Hall,” as “a very 
self been reviewed. is is apparent also in the closing sentence 
of this brief History of American Geology. ‘ Maclure, Venues) 
Hitcheock, Taylor, rad, Emmons, Lyell, de Verneuil, an 
extended and detailed the just views and grand ideas that a 
illustrious savants were the first to divulge :”—an association Oo 
names that will surprise, by its omissions if not otherwise, those 
ut “the half dozen hieroglyphical pamphlets” pu 
the Geological Report of agro of the Canad 
He evinces that his American conclusions have m 
position, also, by his slight of Foster and Whitney 5 
