In the common seal have also been found ligula crispa, Schistocephalus dimorphus, and Echinorhynchus strumosus.
In this case, only the actual tongue (or ligula) and its paragloss are figured.
Tubus: a term used to designate the corneous base of a ligula: the sheath of the tongue.
The long sucking “tongue” of bees is probably a modification of the ligula.
This I shall not deny; but the ligula certainly had more resemblance to a small spatula, or tea-spoon, than to our forks.
Paraglossa, par-a-glos′a, n. one of the two appendages of the ligula in insects.
And lastly, in the midst of all is a slender setiform organ (ligula), which is the counterpart of the tongue.
According to circumstances it might perhaps be denominated Lingua or ligula.
This is produced by ligula simplicissima, which escapes by an aperture formed near the vent of the infested fish.