2041. 
2642. 
2643. 
2044. 
2645. 
2646. 
2647. 
2648. 
2649. 
2650. 
: 180 
SuB-OrDER 4. DIATOMOPHYCE2. 
916. CLYTOTELLA, Kuetz. 
. operculata, Kuetz. 
Buffalo City water supply. 
. Americana, J. W. Ward, zncd. 
Buffalo. 7. W. Ward. 
gt7. ACTINOCYCLUS, Ehrb. 
. Niagare, H. L. Smith. 
Buffalo. City water supply. 
gi8.. STEPRANODISCUS;” Tirh. 
. Niagare, Ehrb. 
Buffalo City water supply. 
gig. MELOSIRA, Agardh. 
. Crotenensis, H. 
Buffalo City water supply. 
. Varians, Agardh. 
Aurora, Erie Co. Wodlle. 
920. SURIRELLA, Turpin. 
. linearis, Sm. 
Buffalo. 7. W. Ward. 
. biseriata, Bréb. 
Hamburg, Erie Co. £. S. Nott. 
. angusta, Kuetz. 
Buffalo. /. W. Ward. 
. splendida, Kuetz. 
Buffalo City water supply. 
. turgida, Sm. 
Buffalo City water supply. 
. Ovalis, Bréb. 
Buffalo City water supply. 
. ovata, Kuetz. 
Buffalo City water supply. 
. minuta, Bréb. 
Buffalo. /. W. Ward. 
