The Protozoa of Sandusky Bay and Vicinity. 431 
Class Sarcodina — Concluded. 
Genus Biomyxa Leidy 
Biomyxa vagans Leidy; in decaying vege- 
tation from Biemiller’s cove. A form 
answering the description of the 
above given by Dr. Leidy was found 
several times in August, 1903. It is 
placed after the Heliozoa with no at- 
tempt at classification. 
Class Mastigophora 
Subclass Flagellidia 
Order Monadida 
Family Bikoecidae 
Genus Stylobryon De From. (Poterroden- 
dron?) Stein. 
Stylobryon petiolatum (Duj.) S. K.; on 
duckweed from basket factory cove. 
Family Heteromonadidae 
Genus Cladonema S. K. 
Cladonema laxa S. K.; on duckweed roots, 
much more branched than figured by 
Kent and stalks much more difficult 
to see; in constant motion. 
Genus Deltomonas S. K. 
Deltomonas cyclopum S. K.; on Cyclops 
from creek near Sandusky. 
Genus Anthophysa Bory d. St. Vincent. 
Anthophysa vegetans (Miill.) S. K.; 
common. 
Order Choanoflagellida 
Family Craspedomonadidae 
Genus Monosiga S. Kent. 
Monosiga steinii S. K.; on duckweed 
from basket factory cove and on 
stalk of Epistylis plicatilis. 
Monosiga brevipes S. K.; on Vorticelli 
campanula from Biemiller’s cove. 
