PLATE XVI 



FIG. I. MOUTH-PARTS, ETC., OF THE 

 MALE GNAT. THE ANTENN/K ARE 

 HIGHLY DEVELOPED AS LARGE PLUME- 

 LIKE ORGANS 



FIG. 2. MOUTH-PARTS, ETC., OF THE 

 FEMALE GNAT. NOTICE THE FORMID- 

 ABLE LANCET, AND THE NON-PLUMED 

 ANTENNA 



FIG. 3. TABANUS BOVINUS WHICH 

 TRANSMITS ANTHRAX TO MAN- 



FIG. 4. LANCETS AND PROBOSCIS OF 

 TABANUS BOVINUS 



