PLATE II. 
Fic. 1.— Amasa from the gutters of New Orleans (May, 1880), 
magnified 600 diameters ; Beck’s one-fifth-inch objective ; helio- 
stat. 
Fic. 2. — Micrococcr in blood of rabbit (inoculation experi- 
ment, Baltimore, 1881), magnified 1000 diameters by Zeiss’s one- 
eighteenth-inch homogeneous immersion objective ; iodine stain- 
ing ; heliostat. 
Fic. 8. — Micrococcus urE& (Pasteur), from urine undergoing 
alkaline fermentation ; magnified 1000 diameters by Zeiss’s one- 
eighteenth-inch objective ; heliostat. 
Fic. 4. — AM@&BA PROTEUS, With pseudopodia extended ; mag- 
nified 200 diameters by Tolles’s four-tenths-inch objective ; helio- 
stat. 
