234 
Psyche 
[Aug.-Oct. 
Collections were made at about ten-day intervals from the 
very beginning to the end of the insect seasons. All methods 
were employed and everything was collected. Some night col- 
lecting was done also. The area under consideration contained 
several shallow basins and wet places due to arms of the bay 
which extended toward the Atlantic Ocean, but little attention 
was paid to these areas and their comparatively luxurient vege- 
tation, as it was thought desirable to limit the study to the 
strictly sea coast type. Insects found in “wash-up” along the 
shore, although collected, are not included in this report unless 
they are species which normally inhabit the beach and act as 
scavengers or in other capacities. 
Although the flora of the area can be divided into parallel 
zones, it is necessary to consider the insects as a single group, 
partly on account of the comparative smallness of the surveyed 
territory and partly because many species exhibited no tendency 
to connect themselves exclusively with certain types of vegeta- 
tion. Species constantly inhabiting various parts of the area, 
will be mentioned in the text. 
The Vegetation of the Surveyed Area. 
The flora of this area is divided more or less distinctly into 
bands or zones parallelling the ocean and bay shore lines. The 
best way to discuss the vegetation is to take each of these groups 
in order as they occur, beginning at the ocean shore line. As no 
collections were made in the water, the only clue we had to the 
algae present was the remnant in the wash. This consisted 
almost entirely of sea lettuce ( TJlva sp.) and a brown strap-like 
kelp. From the edge of the water to the base of the dunes, the 
sand was devoid of plant life, but about one-half way up the 
dunes, there appeared an occasional plant of seaside spurge 
( Euphorbia polygonifolia) . 
The outer row of sand dunes had a distinct and charac- 
teristic vegetation. The sea sand reed ( Ammophila arenaria) 
was the most important and abundant plant and its persistence 
and habit of growth enabled it to successfully combat the 
shifting sands of the dunes. It gave the first tinge of green to 
