Physiology of the Antenne. 
costs many times as much. Were I obliged to part with 
either, the latter would go. 
I require my students to do a great deal of dissecting, 
which they enjoy very much and find very valuable. I 
would~much rather that my boy should become interested 
in such study than to have him possessor of infinite gold 
rings, or even a huge gold watch with a tremendous 
charm. Let such pleasing recreation gain the attention of 
our boys, and they will ever contribute to our delight and 
not sadden us with anxiety and fear. 
The antenne (Fig. 8, a, a) are the horn-like jointed 
organs situated! between, or below and in front of, the large 
- compound eyes of allinsects. They are sometimes short, 
as in the house-fly, and sometimes very long, as in crickets 
Fic. 10, 
Antenna of Bee much magnified, 
s Scape. # Trachea, 
J Flagellum. n Nerves. 
and green grass-hoppers. They may be straight, curved, 
or elbowed. In form they are very varied, as thread-like, 
tapering, toothed, knobbed, fringed, feathered, etc. The 
antennez of most Hymenopterous insects are elbowed 
(Fig. 10). The long first joint in this case is the scape, 
the remaining joints (Fig. 10,7) the flagellum. A large 
nerve (Fig 10, 2) and atrachea (Fig. 10, ¢) enter the 
