Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
2 
3 
OF THE ANTENNÆ OF INSECTS. 
S. Organs on antenna of Anthocera loti. 
. Enlarged view of surface. 
a. True hair. 
b bb. Organs. Diameter 44... of an inch. 
c c. Cuticular projections. 
Section of antenna-wall aud sacs. 
a. Section with papilla at back. 
b. Covering-in membrane, with papilla in centre. 
c. Cuticular projections. 
T. Antenna of Macroglossa stellatorum. 
. One segment of antenna. 
a. Organs, large and small. 
b b b. Rows of hairs with large follicles. 
U. 
Last two segments of antenna, showing organs, a a a d. 
at b b. 
y: 
. Antenna of Pediculus of Crow. 
aa. Organs as in other antennæ. 
bb. Hairs (tactile) at apex. 
Section of organs. 
Antenna of Pulex of Mouse, showing an organ on each segment. 
Fig. 4. Organs on antenna of Pulex of Mouse. 
399 
2. Section of antenna-wall, showing the organs at aa.; diameter sgygth of an inch; and true hairs 
