84 FIELD COLUMBIAN MUSEUM BOTANY, VOL. i. 



SPIRILLUM Ehrenb. 



S. UNDULA (Muell ) Ehrenb. 



In infusion of hay (MillspaugK). 



BACTERIUM Ehrenb. 



B. LINEOLA (O. F. Muell) Cohn. 



In infusion of radish (MillspaugK). 



B. TERMO (O. F. Muell.) Ehrenb. 



In various decomposing organic substances (MillspaugK). 



' \ 

 MICROCOCCUS (Hall.) Cohn. 



M. CREPUSCULUM (Ehrenb.) Cohn. 



Found associated with Bacterium Termo in decomposing vege- 

 table infusions (MillspaugK). 



M. AMYLOVORUS Burrill. 



On fruit of Pyrus communis, Monongalia Co., near Morgan- 

 town (MillspaugK). 



M. AURANTIACUS, Cohn. 



Caught on sterilized potato in laboratory (MillspaugK). 



M. LUTEUS Cohn. 



Caught on sterilized potato in laboratory (MillspaugK). 



STREPTOCOCCUS Billr. 



S. PYOGENES (Rosenb.) Zopf. 



Micrococcus septicus, Cohn. In blood of dead calf {MillspaugK). 



S. URE^: (Cohn.) Trev. 



Micrococcus urece, Cohn. In decomposing urine (MillspaugK). 



SACCHAROMYCETACE.E. 



SACCHAROMYCES Meyen. 



S. CEREVISLE Meyen. 



In Pasteur's liquid left uncorked in laboratory 



S. MYCODERMA ReeSS. 



On same liquid as above at same date (MillspaugK). 



DIATOMACE.E. 



CYMBELLA GASTROIDES, Kuetz. 

 CYMBELLA TURGIDA (Grun.) Greg. 

 STAURONEIS PHCENICENTRON Ehrb. 

 NAVICULA VIRIDIS, Kuetz. 

 NAVICULA MAJOR, Kuetz. 

 NAVICULA NOBILIS (Ehrb.) Kuetz. 



