450 M. AEMAND EUFFER. 



DESCRIPTION OF PLATES XXXII & XXXIII, 



Illustrating Dr. M. Armand Buffer's paper on " Immunity 

 against Microbes/^ 



Fig. a.— Wall of abscess, following an inoculation of the weak virus of 

 quarter-evil into a guinea-pig. Alum-carmine and gentian-violet. Verick, 

 oc. I, X xV^^' *» ^' ^» ^ point to bacilli in various stages of degeneration. 



Fig. B. — From the same section as the preceding. Verick, oc. Ill, X vsth. 

 For letters see text. 



Fig. C. — Sections through superficial part of the diphtheritic membrane 

 in man. Gentian-violet and alum-carmine. Verick, oc. I, X j^^h. a and b 

 point to cells containing bacilli in their interior. 



Fig. D. — Section of diphtheritic membrane under a low power, a repre- 

 sents the layer of bacilli ; b the membrane underneath. 



Fig. E. — From the same section as preceding. Gentian-violet and alum- 

 carmine. Verick, oc. Ill, X -j^th. Leucocytes of diphtheritic membrane 

 containing bacilli in various stages of degeneration. 



Fig. F. — Epithelioid cells containing clubs (actinomycosis). Logwood 

 and fuchsine staining. Verick, oc. Ill, X j^th. 



No. 1. — n. Nucleus of cell. «, b, c. Clubs in various stages of de- 



generation. 

 No. 2. — n. Nucleus, a, b, c. Clubs of actinomycosis in various stages 



of degeneration. /. Debris of lymphocyte, 

 Nos. 3, 4, 5. — n. Nuclei, a, b, c. Debris of clubs and vacuole. 

 No. 6. — n. Nucleus, a, b, c, d, e. Debris of clubs. /. Debris of 

 lymphocytes. 

 Fig. G. — Giant-cell, containing — a. Degenerated bunch of actinomycosis. 

 ■ Fig. H. — Giant-cells in actinomycosis. 



Fig. I. — Epithelioid cells from tubercular guinea-pig's spleen. Logwood 

 staining. Verick, oc. I, X yV*^h. n. Nucleus, a. Blood-pigment. 



Fig. J.— Development of connective tissue at the periphery of a nodule of 

 actinomycosis. 



Fig. K. — Giant-cell from tubercular guinea-pig's spleen, containing blood- 

 pigment. 



Fig. L. — Epithelioid cells from nodule of actinomycosis, containing in their 

 interior leucocytes in various stages of degeneration. 



Fig. M. — Development of epithelioid cells from lymphocytes in nodule 

 of actinomycosis. Logwood staining. Verick, oc. I, x -iV^'i- 



