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 Histopathologie der Nase, 1875, 

 Taf . 38, Fig. 75 b.) 



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

 ticle. Bacilli in endothelium 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 fur Dermatologie und Syphilis, Bd. xxix, 1895, Taf. 

 vi, Fig. vn.) 



IV. Smear preparation from nasal mucus. Stained by 

 method for tubercle bacillus. From a preparation of Dr. 

 Dieudonne. X 1000. 



Mycobacterium tuberculosis r piscicola. L. and N. 



V. Streak culture (glycerin-agar), one month old at 22. 

 VI. Plate culture (glycerin-agar), ten days at 22. 

 Natural size. Superficial colonies. 



VII. Plate culture (glycerin-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. 



