486 SLODIES LOK SLODENTS 
descriptions of the geographical forms that they have seen. The 
use of large scale maps in teaching may perhaps in part serve 
to correct this bad habit. 
The maps that I shall here refer to are prepared by govern- 
mental surveys of European countries. These foreign maps are 
in general of greater detail and accuracy than those of our coun- 
try, but of course the latter should not be neglected. They are 
of great educational value and are in constant use in my teach- 
ing, as is more fully indicated below. The use of the foreign 
maps began with selections from the sheets of the Ordnance 
Survey of Great Britain and of the Army Staff map of France in 
our college library. At first the separate sheets were carried to 
the geographical laboratory and hung in groups on the wall or 
on racks. But there was much trouble in carrying the sheets 
back and forth, and in hanging them up in proper order; the 
white margins of the adjoining sheets prevented their joining 
nicely, and the constant use of the same sheets, year after year, 
threatened to injure them more seriously than could be permit- 
ted. I have, therefore, in recent years devoted part of the fund 
allotted for laboratory expenses to the purchase of extra copies 
of the particular sheets that give the best illustrations, and it is 
the grouped sheets thus selected that are in part described 
below. By mounting the sheets in groups on rollers they can 
be kept on racks in the laboratory, easily hung on the wall when 
wanted, and quickly stowed away again when done with. The 
ease of handling thus gained is one of the best means of increas- 
ing the use of maps as materials for laboratory instruction in 
geography. The labor of preparing for an exercise and clear- 
ing up the room after it must be reduced to a minimum, espe- 
cially for those of us not liberally endowed with the spirit of 
order ; otherwise too much time is taken in purely manual work, 
if indeed the trouble of such work does not lead to its neglect 
altogether. 
The mounted sheets have served so good a purpose that I 
am now increasing their number as rapidly as possible. They 
serve not only in the general course in which the principles of 
