448 The Protozoa of Sandusky Bay and Vicinity. 
Class Infusoria — Continued. 
Genus Zoothamnium Stein. 
Zoothamnium adamsi Stokes; on Clado- 
phora from the government docks at 
Cedar Point, agrees with the above 
except that I cannot find striations 
on stem or body. 
Genus Epistylis Ehr. 
Epistylis cambari Kell.; on Cyclops from 
Biemiller’s cove; on gills of Cam- 
barus from Pipe creek. 
Epistylis vaginula? Stokes; on willow 
roots from east college lake, Colum- 
bus. 
Epistylis nympharum Eng.; in Water 
Works cove. 
Epistylis tubificis D’Udk.; on dragon 
fly larva from basket factory cove, 
also on Gammarus and Tubifex, on 
snail and dragon fly larva. Individ- 
ual colonies found on dragon fly lar- 
va containing 30 individuals. Stalk 
Z profusely branched. Whole colony 
five times length of one zooid. Pri- 
mary stem equals one zooid. Irreg- 
ularly dichotomously branched. 
Epistylis articulata From.; in vegetation 
from basket factory cove. 
Epistylis leucoa Ehr.; in decaying vege- 
tation from Biemiller’s cove. 
Epistylis anastatica Linn.; on algae from 
government docks. 
Epistylis steinii Wrz.; on Gammarus pu- 
lex from Biemiller’s cove. 
Fpistylis pyriformis D’Udek.; on insect 
larvae, an unidentified Ephemerid 
from Biemiller’s cove. 
