2655. 
2636. 
2687. 
2688. 
2689. 
2690. 
2691. 
2692. 
2693. 
2696. 
2697. 
2693. 
2699. 
183 
932. SYNEDRA, Ehrb. 
. angustata, Kuetz. 
Buffalo. J. W. Ward. 
. linearis, Ehrb. 
Buffalo. /. W. Ward. 
. pulchella, Kuetz. 
Buffalo. /. W. Ward. 
var. fasciculata, Rabenh. (S. fasciculata, Sm.) 
Buffalo. /. W. Ward. 
. Vaucheriz, Kuetz. 
Hamburg, Erie Co. £. S. Wott. 
. Ulna, Ehrb. 
Buffalo City water supply. 
. Capitata, Ehrb. 
Buffalo City water supply. 
. radians, Kuetz. 
Hamburg, Erie Co. Z. S. Wott. 
933. ASTERIONELLA, Hassall. 
. formosa, Hassall. 
Buffalo City Water supply. 
934. AMPHIPLEURA, . Kuetz, 
. pellucida, Kuetz. 
Hamburg, Erie Co. £..S. Note. 
935. NITZSCHIA, Hassall. 
. Sigmoidea, Sm. 
Buffalo. /. W. Ward. Hamburg, Erie Co. 
. curvula, Ehrb. 
Hamburg, Erie Co. £. S. Wott. 
. tenuis, Sm. 
Buffalo. /. W. Ward. 
. minutissima, Grun. (?) 
Buffalo. /. W. Ward. 
936. NITZSCHIELLA, Rabenh. 
. acicularis, Rabenh. (WVitzschia acicularis, Sm.) 
Buffalo City water supply. 
Es. IN OLL. 
