The Protozoa of Sandusky Bay and Vicinity. 449 
Class Infusoria — Continued. 
Epistylis umblicata C. & L.; on Cypris 
from basket factory cove. 
Epistylis plicatilis Ehr.; in vegetation of 
basket factory cove; on Ceratophyl- 
lum; stalk shorter and stouter, sec- 
ondary branches short, primary long, 
zooids curved somewhat full of green 
granules. 
Epistylis flavicans Ehr.; on root of duck- 
weed from basket factory cove, both 
single and branched colonies found. 
Epistylis invaginata C. & L.; on Cyclops, 
very numerous on one individual 
from basket factory cove. 
Epistylis digitalis Ehr.; on Cyclops from 
screenings in Biemiller’s cove. 
Genus Rhabdostyla Kent 
Rhabdostyla ovum S. K.; on Cladophora 
from Biemiller’s cove. 
Rhabdostyla brevipes C. & L.; on dragon 
fly larvae from Biemiller’s cove; on 
duckweed roots. 
Rhabdostyla chaeticola Stokes; on setae 
of Nais from basket factory cove. 
Rhabdostyla vernalis Stokes; attached to 
Cyclops from Biemiller’s cove. 
Rhabdostyla invaginata Stokes ; on Cypris 
and Cyclops from screenings in Bie- 
miller’s cove. 
Genus Opisthostyla Stokes. 
Opisthostyla pusilla Stokes; on duckweed 
from Biemiller’s cove. 
Genus Opercularia Stein 
Opercularia allensi Stokes; on species of 
Clepsine, a number of parasitized in- 
dividuals were found all at the same 
place. 
