450 GEOLOGICAL SURVEY OF NEW JERSEY. 
EUNOTIA, Ehrb. 
E. Arcus, Ehrb. : 
Fresh water. Common in brooks and ponds. Camden: 
Kirkwood. Gloucester: Mullica Hill. Atlantic: Hammon- 
’ ton and Absecon. 
E. bicapitata, Grun. 
* Fresh water. Camden: Common in cranberry bogs near 
Ancora. 
BE, denticula (Breb.), Rab. 
Fresh water. Atlantic: Occasional in Hammonton Pond. 
E. diodon, Ehrb. 
Fresh water. Common in ponds and brooks. 
E. Doliolus, Wallich. (Pseudo-eunotia Doliolus, Grun.) 
Fresh water. Burlington: Occasional in marl-pits near 
Marlton. 
E. exigua (Breb.), Grun. 
Fresh water. Frequent in brooks and ponds. Atlantic: 
Absecon and Hammonton. Ocean: Toms River. Camden: 
Kirkwood. Gloucester: Mullica Hill. 
E. Falx, Grev. (Pseudo-eunotia hemicyclus, Grun.; Eunotia hemicyclus, 
Ehrb.) 
Fresh water. Atlantic: Rare in Absecon Pond. 
E. flexuosa, Kiitz. 
Fresh water. Atlantic: Occasional in Hammonton Pond. 
BE. gracilis (Ehrb.), Rab. 
Fresh water. Common in springs and ponds. Camden: 
Kirkwood and Camden. Burlington: Marlton. Atlantic: 
Hammonton. Gloucester: Mullica Hill. Morris: Fossil at 
Drakesyille. 
BE. lunaris (Ehrb.), Grun., forma major, V. H. 
Fresh water. Common in ponds and meadow ditches. 
Sussex: White Hall. Burlington: Marlton. Morris: Lake 
Hopatcong. 
Var. excisa, Grun. 
Fresh water. Camden: Occasional in Kirkwood Pond. 
