82 College of Forestry 
: ee pene ; 
The dead shells of six species of clams were noted, the first 
four containing Ancylus, Ammicola, and Bythinia. 
Elliptio complanatus. Anodonta grandis footiana. 
Lampsilis radiata. Anodonta marginata. 
Lampsilis borealis. Anodonta implicata. 
INSECTA. 
Caddis-fly larve (Helicopsyche Caddis-fly cases (Leptocella spe- 
borealis). cies). 
Srarion XXXII. Sourn SuHore Frencuman Isuanp. 
Near the shore, in damp or even wet spots, many land 
snails, Polygyra thyroides, were observed. Twenty feet from 
the shore they were seen to feed upon the leaves of the nettle 
(Urtica, Field No. 222). Some of the shells of the snails 
were rose colored. 
Station XX XIII. Lone Istanp (Fretp Nos. 208, 148). 
Fies. 27, 28. 
Long Island is a long, low body of land, a trifle more than 
a mile south of Constantia. It is situated in the center of a 
cluster of five large islands and shoals (three islands and two 
shoals), and lies in a northwest by southeast direction. It is 
a trifle more than an eighth of a mile long and about 20 feet 
wide. The water immediately surrounding the island is 
shallow (1 to 2 feet deep), but drops to 8 and then to 18—24 
feet a short distance away. The shallowest spots are at the 
north and south ends, where they extend eastward and west- 
ward for the distance of an eighth of a mile (Fig. 28). 
Sedges (Carex trichocarpa) and other plants are growing 
upon the narrow islet and slowly adding to its surface. The 
bottom in the shallow water is bouldery and the vegetation 
consists of Water Willow (Dianthera americana) and Bul- 
rush (Scirpus occidentalis, S. americanus). Animal life is 
exceedingly abundant, covering the boulders and clinging to 
the water plants. The island is exposed on all sides to the 
rough waves of the lake, which, however, are modified in 
