CATALOGUE OF PLANTS. 465 
TERPSINOH, Ebrb. 
T. Americana, Ralfs. (Tetragramma, Bailey.) 
Marine. Camden: Rare in Delaware River mud—Lewis. 
T. musica, Ehrb. 
Marine. Camden: Very rare in the blue clay of the Dela- 
ware River at Camden—Lewis. 
EUPODISCEA. 
AULISCUS, Ehrb. 
A. celatus, Bailey. 
Marine. Camden: Rare in Delaware River mud—Lewis. 
A, radiatus, Bailey. 
Marine. Camden: Rare in Delaware River mud—Lewis, 
A. sculptus (W. Sm.), Ralfs. 
Marine. Atlantic: Occasional in marine mud from Atlantic 
City. Monmouth: Shark River and Manasquan River ; fossil 
in Ocean Beach clay. 
EUPODISCUS, Ehrb. 
BH. Argus, Ebrb. 
Marine. Monmouth: Occasional in Ocean Beach clay and 
mud from the mouth of Manasquan River. Also in the blue 
clay of the Delaware River at Philadelphia—Lewis. 
HYALODISCUS, Ebrb. 
H. subtilis, Bailey. 
Salt or brackish water. Occasional on alge. Monmouth: 
Manasquan River, Barnegat Bay, Shark River. Cape May: 
Dennis Creek. 
CYCLOTELLA, Kutz. 
C. comta (Ehbrb.), Kiitz. 
Fresh water. Common in ponds and meadow ditches. At- 
lantic: Absecon. Burlington: Marlton. Gloucester: Mullica 
Hill. Morris: Fossil at Drakesville. 
2E 
