PLATE III. 



SaccJiaromycetes and Schizomycetes (Nageli), developed in urine (of 

 yellow-fever patient) exposed in laboratory of the Yellow-fever 

 Commission, Havana, July, 1879. Reproduced by permission of 

 the National Board of Health. 



FIG. 1. Photo-micrograph made with Beck's -in. objective 

 and Tolles's amplifier. 400 diameters. 



FIG. 2. Photo-micrograph made with Zeiss's ^-in. horn, im. 

 objective. 1,450 diameters. 



