﻿ILLUSTRATIONS. 



Plate I. 



Fig. 1. Filaria pMMppinensis in freshly drawn blood. 



2. Filaria philippinensis three days in G. fatigans. X 115. , 



3. Filaria philippinensis three days in G. fatigans. X 229. 



Plate II. 



Fig. 4. Filaria philippinensis six clays in G. fatigans. X 92. 



5. Filaria philippinensis six days in G. fatigans. X 206. 



6. Filaria philippinensis eleven days in G. fatigans. X 76. 



7. Tail of Filaria philippinensis eleven days in C. fatigans. X 183. 



Plate III. 



Fig. 8. Head of Filaria philippinensis eleven days in C. fatigans. X 275. 



9. Broken Filaria philippinensis fifteen and one-half days in C. fatigans. 



X 115. Showing strength of alimentary canal. 

 10. Filaria philippinensis fifteen and one-half days in G. fatigans. X 115. 

 Showing elongation and narrowing in labium. 



Plate IV. 



Fig. 11. Filaria philippinensis fifteen and one-half days in G. fatigans. X 220. 

 Showing alimentary canal. A portion of the alimentary canal has been 

 extruded by pressure. 



12. Tail of Filaria philippinensis fifteen and one-half days in G. fatigans. 



X 275. Showing three papillae. 



13. Filaria philippinensis fifteen and one-half days in G. fatigans. X 92. 



In labium. 



14. Filaria philippinensis fifteen and one-half days in C. fatigans. X 220. 



In labium. 



15. Filaria philippinensis fifteen and one-half days in G. fatigans. X 86. 



In labium. 



Plate V. 



Fig. 16. Filaria philippinensis fifteen and one-half days in G. fatigans. X 240. 

 In labium. 

 17. Filaria philippinensis eleven days in G. fatigans, showing anus. 



Plate VI. 



Fig. 18. Filaria, philippinensis in freshly drawn blood. Killed and drawn by the 

 aid of camera-lueida at once. X 330. 

 19. Filaria philippinensis in stomach of G. fatigans six to twelve hours after 

 ingestion. Sheath discarded. X 330. 



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