96 
SMELLING, HEARING, ETC. 
. near the root of the tongue, which he considers as 
taste organs (Fig. 43). There are about twenty-five 
of these hollows on each side, and beneath each is 
also a ganglionic swelling connecting it with a nerve 
Fig. 42. — Sensory Organs on Palpi. 
end. Besides these there are also the taste hollows 
on the tongue alluded to at page 26 (Fig. \2, p p). 
The apparatus of sensibility which we have de- 
scribed is not composed only of the different parts of 
the nervous system already pointed out : the nerves. 
Fig. 43. — Taste Organs on Tongue. 
furnished with power of transmitting to the brain 
sensations from without, terminate in positive instru- 
ments destined to collect the impression, and to pre- 
pare it to assume its action. These are therefore 
called the organs of the senses, and it is through the 
intermedium of them that the sensations reach the 
insect, but they are not indispensable for the exercise 
of all the faculties. 
