PLATE 62. 



Mycobacterium leprae. (Arm. Hansen.) Lehm. and 



Neum. 



I. Giant cell from a leprous ulcer of the epiglottis. X 

 about 1000. Stained according to Rusell. (Copied from 

 Seifert and Kahn, Atlas der Histopathologic der Nase, 1875, 

 Taf . 38, Fig. 75 b.) 



II. Transverse section of a blood-vessel in a leprous tes- 

 ticle. Bacilli in endothelimn and in a white blood-corpus- 

 cle. Stained by Gram's method, Bismarck brown, eosin, 

 oil of bergamot. X about 1000. (Copied as No. in, fig. v.) 



III. Ulnar nerve, longitudinal section, stained like above. 

 (Copied from Lie, pathologische Anatomie der Lepra; 

 Archiv fiir Dermatologie und Syphilis, Bd. xxix, 1895, Taf. 

 VI, Fig. VII.) 



IV. Smear preparation from nasal mucus. Stained by 

 method for tubercle bacillus. From a preparation of Dr. 

 Dieudonne. X 1000. 



Mycobacterium tuberculosis ^ piscicola. L. and N. 



V. Streak culture (glj'cerin-agar), one month old at 22°. 

 VI. Plate culture (glj'cerin-agar), ten days at 22°. 

 Natural size. Superficial folonies. 



VII. Plate culture (glj-cerin-agar), six days at 22°. X 

 60. Superficial colony. The dark shadows' and bright 

 lights represent the strong reflection of the cartilaginous 

 colony. 



VIII. Potato culture, fourteen days at 22°. Sometimes 

 also more homogeneous upon the surface. 



IX. Microscopic preparation. Stained by the method 

 for the tubercle bacillus. X 1000. 



