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3 College of Forestry 
trichocarpa). At the outer or lake border there is an area of 
Lake Bulrush (Scirpus occidentalis) which extends into the 
deeper water. 
ANIMAL LIFE. 
Life was abundant in this habitat, the clams burrowing 
among the stones and the gastropods living on the stones and 
boulders. Four species of mollusks were noted. 
Elliptio complanatus, 1% inches Planorbis campanulatus. 
long. Planorbis antrosus. 
Lampsilis radiata, rose-colored. 
Whirligig beetles (Dineutes hornit) were abundant on the 
surface among the Water Willow. 
Habitat 2. East side of bay, Fig 6. (Field numbers 259- 
262, 281.) 
Borrom: Sandy or silty. Warrr: 2 to 5 feet deep. 
Veceration: The plant associations of this habitat are 
peculiar and interesting, exhibiting an orderly zonal char- 
acter when closely examined, although apparently badly 
mixed when first observed. This zonal arrangement may be 
deseribed as follows: 
Zone A. Shore edge, water 10-18 inches deep. 
3uttonbush (Cephalanthus occi-  Arrow-head (Sagittaria latifolia). 
dentalis). Sedge (Carex trichocarpa) near 
Swamp Loosestrife (Decodon ver- Water Willow. 
ticillatus) . Cat-tail (Typha angustifolia) . 
Water Willow (Dianthera ameri- 
cana) in one sandy spot. 
Zone B. Water 2 feet deep. 
Bur-reed (Sparganium eurycar- Bulrush (Scirpus americanus). 
pum). : Pickerel-weed  (Pontederia  cor- 
Bulrush (Seirpus occidentalis) . data). 
