Do odors impress some olfactory centre with images of the thing emitting them?
A strong odour of tobacco was wafted to his olfactory sense.
I do not know, although I assert that they are not olfactory organs.
Their olfactory passage, like that of the Palostraca, must have been ventral.
The brain proper, from which arise only the olfactory and optic nerves.
What, then, ...