410 GEOLOGICAL SURVEY OF NEW JERSEY, 

 PANDOBINE.E. 



PANDORINA, Bory. 

 P. morum, Bory. 



In pools of stagnant water ; not rare. 



EUGL-aENA, Ehrb. 



B. viridis, Ehrb. 



Common in stagnant waters. 



QONIUM, Muell. 

 G. pectorale, Muell.(?) 



Stagnant waters ; rare. 



OHLAMYDOOOOCUS, A. Br. 



C. pluvialis, A. Br. 



Pools; infrequent. 



HYDRODICTYE^E. 



HYDRODICTYON, Roth. 



H. utriculatum, Koth. 



Sluggish waters ; frequent. 



PBDIASTRUM, Meyen. 

 P. muticum, Kiitz. 



Ponds; occasional. 

 P. angTilosum (Ehrb.), Menegh. 



Frequent in ponds. 

 P. forcipatum (Corda), A. Br. 



In similar situations. 

 P. Boryanum (Turp.), Menegh. 



Frequent in similar localities. 

 P. pertusum, Kiitz. 



Everywhere in pools. 



