DIATOMS. 145 



GRAMMATOFHORA Ehrenb. 



Grammatophora marina (Lyngb.) Knetz. 



Marine. 

 New Jersey. 



Subfamily NAVICULOIDEAE. 

 NAVICULA Bory. 



Navicula lyra Elirenb. 



Fresh and brackish ( ?) water. 

 New Jersey. 



Navicula irrorata Grev. 



Navicula permagna (Bailey) Edwards. 



Brackish or salt water. 



Tampa Bay. New Jersey. 



Navicula maculata Edwards. 

 Navicula distaiis (Wm. Smith) Ralfs. 

 Navicula caribaea Cleve. 

 Navicula didyma Ehrenb. 



Marine. 



New Jersey. 



Navicula kennedyi Wm. Smith. 

 Marine, 

 New Jersey. 



Navicula praetexta Ehrenb. 

 Marine. 

 New Jersey. 



Navicula serratula Grunow. 

 Navicula longa (Gregory) Ralfs. 

 Navicula major Kuetz. 



Fresh water. 



New Jersey. 



Navicula nobilis (Ehrenb.) Kuetz. 

 Fresh water. 

 New Jersey. 



Navicula aspera Ehrenb. Stauroneis aspera Ehrenb. 8. pulchella Wm. Smith. 

 Marine. 

 Tampa Bay. New Jersey. 



DICTYONEIS Cleve. 



Dictyoneis marginata (Lewis) Cleve. Navicula marginata Lewis. 

 Fresh water. 

 New Jersey. 



FRUSTULIA Agh. 



Frustulia lewisiana (Grev.) De Toni. Navicula lewisiana Grev. 



STAURONEIS Ehrenb. 



Stauroneis phoenicenteron (Nitzsch) Ehrenb. 

 Fresh water. 

 New Jersey. 



PLEUROSIGMA Wm. Smith. 



Pleurosigma validum Shadb. 

 15894 10 



