66 FISHES OF THE CONNECTICUT LAKES. 
rocks to support much vegetation. The line of fertile soil is too far 
removed from the water to support the water-loving shrubs which 
fringe the other ponds and lakes of the neighborhood. The vegeta- 
tion of the muddy shores is a heavy growth of grasses, sedges, and 
rushes, whose identification has not been completed at this writing. 
Fixed aquatic vegetation—The following species of plants were 
found established in the waters of the First Lake. Those marked 
with an asterisk were seen only in waters immediately adjoining. 
The distribution of the plants in the lake will appear in the descrip- 
tion of the stations at which plankton was collected. 
AQUATIC PLANTS FouUND ESTABLISHED IN First LAKE. 
Chara coronata Ziz. 
Fontinalis antipyretica Linneus. 
dalicarica Bruch & Shimper. 
Equisetum fluviatile Linneus. Horsetail. 
levigatum A. Braun. Horsetail. 
Sparganium androcladum fluctuans Morong. Bur-reed. 
simplex Hudson. Bur-reed. 
simplex angustifolium (Micheaux) Engelmann.  Bur- 
reed. 
Potamogeton amplifolius Tuckerman. Pond weed. 
nuttallii Chamiss & Schlechtendall. Pond weed. 
prelongus Wulfin. Pond weed. 
pusillus Linneeus. 
spirillus Tuckerman. 
robbinsii: Oakes. 
Sagittaria latifolia Willdenow. Arrow-head. 
graminea Micheaux. 
Eleocharis acicularis (Linneus) Roemer & Schultes. Needle rush. 
*Calla palustris Linneus. Wild arum. 
Nymphea advena Solander. Yellow pond Lily. 
hybrida Peck. Red-disked pond lily. 
Batrachium trichophyllum (Chaix) Bossch. White water crow- 
foot. 
*Callitriche palustris Linneus. 
ag iophyllum alterniflorum De Candolle. Water milfoil. 
farwellii Morong. Water milfoil. 
*Utricularia vulgare Linneus. Bladderwort. 
Quality of the water and source—The water shows a very decided 
brownish tint, discernible in even so small a quantity as a tumblerful. 
The aiantaon net showed a surface 14 inches in diameter of soiled 
white color, which disappeared on the brightest days at a depth of 10 
feet. The water was excellent in flavor. Tests carried out with as 
great care as possible showed it to be well aerated to considerable 
