SALTON SEA. 



PLATE 10. 



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1 i 



A 



CULTURES OF CHROMCGENIC BACILLI. 



A. Photograph of a I per cent agar-agar brine plate showing colony of red chromogenic bacillus. X. 



B. Photograph of a 1 per cent agar-agar brine plate showing diffuse growth of red chromogenic bacillus. X 4. 



