SALISBURY'S PHYSIOGRAPHY. * 
COIXIER COBB. 
T eachers of physiography in colleges will welcome this book, 
not only because it is the first of its kind of college grade, 
but also for the large amount of fresh material that it con- 
tains and its admirable arrangement, the author being at the 
same time a skilled investigator and a successful teacher. 
“In the preparation of the text,” he tells us, “the effort has 
been to shape it, when practicable, so as to lead the student 
into the subject under discussion, rather than to tell him the 
conclusions which have been reached by those who have 
made the subject their special study.” The author holds 
persistently to that idea of physiography which regards the 
origin of land forms as its chief problem. This is not the 
English idea of physiography, but it is preeminently the Amer- 
ican idea. It is the geography which Mackinder of Oxford 
defined as the study of the present in the light of the past, 
as distinguished from geology, which is the study of the 
past in the light of the present. 
If the high school teacher is disappointed that small space 
has been given to certain topics that he has associated with 
text-books of physical geography, such as minerals and rocks, 
and plants and animals, let him remember that in colleges, 
where the author purposes the book shall be used, special 
courses in these related subjects are given in associated 
departments. In fact a strong point of the book is that, 
♦Physiography. By Prof. R. D. Salisbury, University of Chicago. 8 vo. 
770 pp. American Science Series — Advanced Course. $3.50. New York: 
Henry Holt and Company. 
1907 ] 137 
