GEOGRAPHICAL SOCIETY OF BALTIMORE- 



THE BAHAMA ISLANDS, PLATE LXXVII 



Fig. 1. — FILARIA NOCTURNA IN HUMAN BLOOD 

 (MAGNIFIED 490 DIAMETERS) 



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Fig. 2. — filaeia noctubna in human blood 

 (magnified 490 diameters) 



VIEWS ILLUSTRATING SANITARY CONDITIONS 



