The Protozoa of Sandusky Bay and Vicinity. 441 
Class Infusoria — Continued. 
Chilodon cucullulus (Miuill.) Ehr.; in de- 
caying vegetation from Biemiller’s 
cove. 
Suborder Trichostomina. 
Family Chiliferidae. 
Genus Leucophrys Ehr. 
Leucophrys patula Ehr.; in Licking Res- 
ervoir, among sphagnum, common. 
Genus Frontonia (Ehr.) C. & L. (Cyrtosto- 
mum Stein). 
Frontonia acuminata Ehr.; dark pig- 
mented variety, pigment-spot. 
Genus Colpidium Stein. 
Colpidium colpoda Ehr. Schrank sp.; as- 
sociated with colonies of the bryo- 
zoan Plumatella. 
Genus Loxocephalus Kent. 
Loxocephalus luridus Eberhaud; in tow- 
ings from Biemiller’s cove. 
Genus Colpoda O. F. Miller 
Colpoda cucullus O. F. Mill.; in towings 
from Biemiller’s cove. 
Family Urocentridae 
Genus Urocentrum Nitsch. 
Urocentrum turbo O. F. Miller; on Lemna 
from Biemiller’s cove. 
Family Microthoracidae 
Genus Microthorax Eng. 
Microthorax sulcatus Eng.; in towings 
from Biemiller’s cove, common. 
Family Paramoecidae 
Genus Paramoecium Stein. 
Paramoecium aurelia Miill.; common. 
Paramoecium caudatum Ehr.; in Biemil- 
ler’s cove. 
Paramoecium bursaria Ehr.; from duck- 
weed roots from basket factory cove 
and Big Nat’s cove. 
