The Protozoa of Sandusky Bay and Vicinity. 427 
The Protozoa of Sandusky Bay and Vicinity. 
Class Sarcodina 
Subclass Rhizopoda 
Order Amoebida 
Family Amoebidae 
Genus Amoeba Ehrbg. 
Amoeba proteus Leidy; on aquatic plants 
from Water Worxks cove. 
Amoeba verrucosa Ehrbg.; on aquatic 
plants from logs in Basket Factory 
cove. 
Amoeba radiosa Ehrbg.; on aquatic plants 
from Water Works cove. 
Genus Pelomyxa Greeff 
Pelomyxa villosa Leidy; in ooze in tow- 
ings from Biemiller’s cove. 
Genus Hyalodiscus Hertwig & Lesser 
Hyalodiscus rubicundus H. & L.; on roots 
of duckweed from Water Works cove, 
common. 
Family Arcellidae 
Genus Arcella Ehrbg. 
Arcella vulgaris Ehrbg.; common in all 
collections of vegetation and towings 
at Sandusky. 
Arcella vulgaris var. angulosa Leidy; on 
vegetation from basket factory cove. 
Arcella discoides Ehrbg.; in sediment from 
basket factory cove. 
Arcella mitrata Leidy; in towings from 
Biemiller’s cove. 
Arcella dentata Ehrbg.; in vegetation of 
Basket Factory cove. 
Arcella artocrea Leidy; in towings from 
Biemiller’s cove. 
