180 



Sub-Order 4. DIATOMOPHYCEjE, 



916. CLYTOTELLA, Kuetz. 



2i!41. C. operculata, Kuetz. 



Buffalo City water supply. 



'21542. C. Americana, J. \V. Ward, incd. 

 Buffalo. /. W. Ward. 



017. ACTINOCYCLUS, Ehrb. 



204:5. A. Niagara?, H. L. Smith. 



Buffalo City water supply. 



918. STEPHANODISCUS, Ehrb. 



2044. S. Niagara, Ehrb. 



Buffalo City water supply. 



919. MELOSIRA, Agardh. 



2645. M. Crotenensis, H. 



Buffalo City water supply. 



2046. M. varians, Agardh. 



Aurora, Erie Co. Wolle. 



920. SURIRELLA, Turpin 



2047. S. linearis, Sm. 



Buffalo. /. //". Ward. 



2648. S. biseriata, Breb. 



Hamburg, Erie Co. E. S. Nott. 



2649. S. angusta, Kuetz. 



Buffalo. /. //*. Ward. 



2650. S. splendida, Kuetz. 



Buffalo City water supply. 



2651. S. turgida, Sm. 



Buffalo City water supply. 



2052. S. ovalis, Br6b. 



Buffalo City water supply. 



2653. S. ovata, Kuetz. 



Buffalo City water supply. 



2054. S. minuta, Br£b. 



Buffalo. /. W. Ward. 



