Fig. 
Oe a SE 
EXPLANATION OF PLATE IV. 
Linognathus africanus, n. sp. 2. 
Linognathus forficula, n. sp. 2. 
Hematopinus peristictus, n. sp. 2. 
Linognathus forficula ; ventral surface of last segments, 9. 
Linognathus africanus ; last segments of ¢. 
Hematopinus peristictus ; last segments of ¢. 
