The Protozoa of Sandusky Bay and Vicinity. 447 
Class Infusoria — Continued. 
Vorticella appuncta From.; among roots 
of duckweed from basket factory 
cove. 
Vorticella telescopica S. K.; on duckweed 
from basket factory cove. 
Vorticella monilata Tatem.; on roots of 
duckweed from basket factory cove. 
Vorticella cratera S. K.; on duckweed 
from basket factory cove, not com- 
mon. 
Vorticella lemnae Stokes; on duckweed 
from Biemiller’s cove. 
Vorticella aperta From.; on moss (Bry- 
ales) from Licking Reservoir. 
Vorticella smaragdina Stokes; on duck- 
weed roots from Biemiller’s cove. 
Vorticella floridensis Stokes; on duck- 
weed from Biemiller’s cove. 
Vorticella convallaria Linn.; on duckweed 
from Biemiller’s cove, occasional. 
Vorticella elongata From.; on sphagnum 
from Licking County Reservoir. 
Vorticella similis Stokes; on duckweed 
roots from Biemillers cove. 
Vorticella crassicaulis S. K.; on Cyclops 
from Biemiller’s cove, quite variable 
in shape and sometimes showing 
transverse, striations, also on setae of 
worm. 
Vorticella communis From.; on duckweed 
from Biemillers’ cove (several), a 
few individuals showing faint trans- 
verse striations, colony of 25. 
Genus Carchesium Ehr. 
Carchesium polypinum (L.) S. K.; on 
Lemnaceae from college run, Colum- 
bus; in duckweed from Biemiller’s 
cove. 
