TWELFTH ANNUAL REPORT 5 



Facing page— 



Plate XIII : 22 



Longitudinal section of vagus nerve from a case of acute beriberi. 



Plate XIV 22 



Etiology of mycetoma. 



Fig. 1. Madura foot, mycetoma. 



2. Section from the foot of the original case; stained 



preparation, x 75. 



3. Section from the foot of the original case; stained 



preparation, x 100. 



Plate XV 22 



Streptothricosis with special reference to the etiology and classi- 

 fication of mycetoma. 



Fig. 1. Section from experimental lesion in mesentery of 

 monkey produced by inoculation with culture of 

 S. eppingeri. X 600. 

 2. Smear preparation from culture of S. viadurss 

 stained by gentian violet. x400. 



Plate XVI 22 



Hydrophobia in the Philippines. Section through hippocampus 

 of rabbit which died twenty days after intramuscular inocula- 

 tion of emulsion of brain of dog. Stained with eosin-methylene 

 blue, according to Lentz's method B. The Negri body in the 

 cell on the left of the plate lies on top of the nucleus. 



Plate XVII " 22 



Stages of a piroplasma and of a trypanosoma of cattle and the 

 schizogony of Trypanosoma evansi in the spleen of the verte- 

 brate host. 



Fig. 1. A large well-developed trypanosome from the blood 

 culture of calf. 



2. Culture of trypanosomes photographed alive in a 



hanging drop preparation. 



3. Trypanosoma evansi from the calf found infected 



with surra. 



4. Motile form of Trypanosoma evansi from the blood 



of an infected guinea pig. 



5. A trypanosome coiling up to form a schizont ("latent 



body"), from the spleen of an infected guinea pig. 



Plate XVIII 22 



Medical survey of the town of Taytay. 

 Fig. 1. Typical outhouses. 



2. Outhouse in proximity to well. 



Plate XIX 24 



Experiments in malarial transmission by means of Myzomyia 

 ludlotuii Theob. 



Fig. 1. Adult female of Myzomyia hidlowii Theob. x8. 

 2. Adult male, same. x8. 



Plate XX 24 



Fig. 1. A queen termite in queen cell. Natural size. 

 2. Model of a cross section of a termite cone. 



