444 The Protozoa of Sandusky Bay and Vicinity. 
Class Infusoria — Continued. 
Genus Kerona Ehr. 
Kerona polyporum Ehr.; parasitic on Hy- 
dra fusca. 
Genus Stichotricha Perty 
Stichotricha cornuta C. & L.; on decay- 
ing vegetation from Biemiller’s cove. 
Genus Uroleptus Stein. 
Uroleptus rattulus Stein; on floating de- 
caying vegetation from Biemiller’s 
cove. 
Uroleptus piscis (Mull. sp.) ; on Cerato- 
phyllum and duckweed of basket fac- 
tory cove. 
Genus Opisthortricha S. K. 
Opisthotricha parallela (Eng.); S. K.; 
on duckweed roots from Biemiller’s 
cove. 
Genus Oxytricha Ehr. 
Oxytricha acuminata Stokes; on decay- 
ing vegetation from Biemiller’s cove. 
Oxytricha caudata Stokes; in decaying 
vegetation from Biemiller’s cove. 
Genus Stylonychia Stein 
Stylonychia mytilis Ehr.; in decaying in- 
fusions. 
Family Euplotidae 
Genus Euplotes Stein 
Euplotes patella Ehr.; in vegetation of 
basket factory cove. 
Euplotes charon Miull.; in vegetation of 
basket factory cove. 
Genus Aspedisca Ehr. 
Aspedisca costata Duj.; in vegetation of 
basket factory cove. 
