1972] 
Car ico — Pisaurina 
307 
Map 3. Distribution of Pisaurina undulata (Keyserling) . 
Natural history. Pisaurina undulata is apparently the species 
which is most closely associated with the aquatic habitat. Collecting 
notes with the material examined generally indicate that this species 
was found in sweeps around bodies of water. Other notes include 
“rows of seaweed on beach” and “sweeping in flatwoods.” I have 
collected a female from a small pond in South Carolina where it was 
perched head down on a narrow emergent sedge leaf. Its front two 
pairs of legs were brought together and projecting forward while the 
rear two pairs of legs brought together and projecting posteriorly; 
the whole spider producing a very narrow outline, resembled a rest- 
ing Tetragnatha , a genus which is found in the same general hab- 
itat. 
Adult males were collected only during the months of June, July 
and August, but primarily in June. Most mature females were col- 
lected from June to September, with the greatest number occurring 
in the last two months. Three records from March and April are 
from Florida. Only one egg sac was collected and was from Ala- 
