370 
A List or ALG&. 
(Chiefly from Monroe County, Indiana.) 
By EH. M. ANDREWS. 
The list of Algee given at the end of this paper includes about one 
hundred and seventy-five forms, most of which are from Monroe County, 
Indiana. Some few species of these Algze are from the Eagle Lake and 
Turkey Lake in the northern part of Indiana, while a few others have been 
obtained from other sources. The collection of these forms has extended 
over a period of several years, for a continuous effort to obtain the forms 
here mentioned was not made except in the case of the Algre found in the 
water works of this city in 1896. At this time some of the forms of Al- 
gz then to be found in the city water works of Bloomington were collected 
by Dr. George J. Peirce, now of the Leland Stanford Junior University. 
Mr. A. C. Life, and myself. <A title of the work done by us conjointly ap- 
peared in the proceedings of the Indiana Academy of Science for 1896, on 
page 208, entitled: ‘A Microscopic Examination of Certain Drinking 
Waters.” 
In this work not only the forms at the surface and edges of the reser- 
voir were obtained, but also those to be found at different depths in the 
water. On account of the lack of more elaborate instruments and means 
for doing this, we hit upon a very simple but sufficiently effective plan. 
This was done by securing a bottle of the proper size and shape, fitted with 
a stopper, to a heavy cord. The stopper also was attached to a cord. 
After rowing out into the reservoir, the water of which varied from fifteen 
to thirty feet in depth, this weighted bottle was lowered to the desired 
depth by one string and the stopper partly removed by the other string. 
After the bottle had filled with water, as could be told by the rising of 
bubbles, the stopper was allowed to slide back in place, thus reclosing the 
bottle. To prevent the stopper from being pulled out of the bottle 
and thus rendering it impossible to replace it before raising the bottle 
from the water, a string of the proper length was tied around the neck of 
the bottle and to the stopper. To be sure that the glass stopper would 
settle back into the bottle after filling, I found a band of rubber fastened 
around the neck of the bottle and the stopper to be effective in accomplish- 
