PLATE III. EXUDATIONS FKOM THE COENEA. 



GUAM'S STAIN. 



Figs. I. to IV. Corneal Exudations. 



FIG. I. Smear from an ulcus serpens with PNEUMOCOCCI. Gram-positive (blue) 

 Diplococci, generally elongated, some having capsules. 



FIG. II. Smear from a hypopyon-keratitis with DIPLOBACILLI (Petit). Morpho- 

 logically resembling the Morax-Axenfeld variety. II.6 is from an agar 

 culture. Gram-negative (red) bacilli in pairs. 



FIG. III. ZUR NEDDEN'S BACILLUS of infectious marginal ulcer (preparation by 

 Dr. Zur Nedden). Gram-negative (red) bacilli varying in size, many being 

 curved. 



FIG. IV. BACILLUS PYOCYANEUS from a severe case of hypopyon-keratitis. Small 

 Gram-negative (red) bacilli ; small, and often arranged in pairs. IV.&, pure 

 culture. 



Figs. V. and VI. Vitreous Pus. 



FIG. V. Anaerobic BACILLUS PERFBINGENS from traumatic panophthalmitis (by 

 Dr. Chaillous). Gram-positive (blue) bacilli, with the staining interrupted 

 at places. 



FIG. VI. BACILLUS SUBTILIS from a panophthalmitis, due to a splinter wound. 

 Large Gram-positive (blue) bacilli, sometimes forming elongated bands which 

 are not equally stained, and cannot be distinguished from the B. perfringens 

 by their shape alone. 



