The Ecology of a Sheltered Clay Bank 217 
ground, This sly watcher undoubtedly had business to 
transact at the clay bank. 
Lycosa sp. During the first part of August, several 
were seen repeatedly at the same place. It seemed that 
twilight brought out these night prowlers. 
Xysticus ferox Htz, [C. L. Shoemaker]. One speci- 
men at the clay bank at dusk, July 30. This is one of 
the crab spiders, and like the others, probably came 
in quest of food. 
Spider. A small unidentified specimen taken from 
the jaws of the ant-lion on September 3, 1917. 
Pardosa sp. [J. H. Emerton]. This was another of 
the wandering hunters which came to the bank October 
3, when food elsewhere became scarce, and one specimen 
was walking about on the bank one sunshiny morning 
of February 26, 1921. : 
Drassus sp. [J. H. Emerton]. One at bank October 
3, 1917. 
Gonyleptes sp. Several of these daddy-long-legs were 
on the bank, and about a dozen had congregated on a 
small plant on July 30, 1917. Warburton* says the 
members of this group are ‘without doubt essentially 
carnivorous.’? Hence the presence of these was prob- 
ably of serious significance, especially to the smaller 
Species of residents. 
Ixodes sp. This tick was abundant each year at the 
end of July and in the early part of August among the 
old lumber on top of the bank. 
Myriapoda. 
On several occasions during 1917 and 1918, dead speci- 
mens of Myriapods were found on the bank. Since none 
*Cambridge Nat. History 4:44, 1909. 
