103 



(Navicula.) 



patula, Smith. 



obtusa, Smith. 



affinis, Ehr. 



inflata, Kutz. 



gibberula, Kutz. 



amphirhynchus, Ehr. 



ambigua, Ehr. 



punctulata, Smith. 



pusilla, Smith. 



tuuiida, Smith. 



dicephala, Kutz. 



cryptocephala, Kutz. 



varians, Greg. 



firma, Kutz. 



firm a |3, Kutz. 



granulata, Bail. 



Hennedyii, Smith. 



Esox, Kutz. 



pygruaea, Kutz. 



dilitata, Ehr. 



rostrata, Ehr. 



crassa, Greg. 



birostrata, Greg. 



lacustris J3, Greg. 



trinodis, Smith. 

 Pinnularia nobilis, Ehr. 



major, Smith. 



viridis, Smith. 



lata, Smith. 



peregrina, Ehr. 



radiosa, Smith. 



gracilis. Ehr. 



stauroneiformis, Smith. 



gibba, Ehr. 



acrosphaoria, Smith. 



mesolepta, Ehr. 



interrupts, Smith. 

 Stauroneis Phcenicenteron, Eh r. 



gracilis, Ehr. 



