Caulis: the funicle of antenna: the corneous basal part of jaws.
The operculum is corneous, with the nucleus near the outer edge.
(Hymenoptera L.) Maxilla corneous, compressed, often elongate.
The tentacles are long and slender, with short peduncles for the eyes; the operculum is corneous, with a central nucleus.
The columella is somewhat twisted; the operculum is corneous, with a lateral nucleus.
A corneous case, with two grooves, in which the Terebella or Spicula play.
A corneous piece which covers the instruments of suction above, representing the Labrum in a perfect mouth.
The upper organs of flight, when they are corneous or coriaceous at the base and membranous at the apex.
A corneous spot between the costal and postcostal nervures, distinct from the Stigma observable in the Libellulina.
Episternites: the upper pair of corneous appendages forming the ovipositor in grasshoppers.