LEISHMANIA TROPICA 427 



by puncture of the enlarged glands. Neumann (19096) on two occasions 

 discovered leishmania in the peripheral blood of a case of oriental sore, an 

 observation confirmed later by Patton (1912) in India. The presence of 

 parasites in the peripheral blood in oriental sore is a very rare occurrence. 

 The writer has searched in vain for them on many occasions, and attempts 

 at culture from finger blood have given only negative results. 



■^^■^N^^-'^^'- 



% 



te 



'J 



%^ 







B 

 Fig. 191. — (Sections of Oriental Sore. (After Nattan-Larrier, 1913.) 



A. General view, shi I wiiiLC clcvatcil nature of sore, absence of epithelium on surface, and dark areas 



consisting of acciiiiiulatiiinM if inacro])hages { x 7). 



B. Tissue of sore, showing ma' ro|iliai:cs coiitaining Leishmania tropica ( x 1,000). 



PATHOLOGY. — In sections of oriental sore, especially the non-ulcerat- 

 ing variety, the new growth is found to consist of a fine reticulum of 

 connective tissue, in the meshes of which are numbers of large cells often 

 packed with parasites (Fig. 191). The cells resemble those met with in 



