corneous

It had vanished during his babyhood leaving only a corneous spot on his skull; but people were glad when Tomlin died.

From Time Magazine Archive

The winter wheats are, as a rule, more soft and starchy than the spring wheats, which are usually corneous or flinty to different degrees.

From Human Foods and Their Nutritive Value by Harry Snyder

Base of these wings in the male with a strong bristle passing behind a strong corneous retinaculum, which arises from the anterior side of the sub-costal nervure.

From Discoveries in Australia, Volume 1. With an Account of the Coasts and Rivers Explored and Surveyed During The Voyage of H.M.S. Beagle, in the Years 1837-38-39-40-41-42-43. By Command of the Lords Commissioners of the Admiralty. Also a Narrative Of Captain Owen Stanley's Visits to the Islands in the Arafura Sea. by John Lort Stokes

Tergo-rhabdites: the lower pair of corneous appendages forming the ovipositor in grasshoppers: plates on the inner dorsal surface of the abdominal wall.

From Explanation of Terms Used in Entomology by John. B. Smith

Ossicula: small corneous pieces that serve in the articulation of the wings to the thorax.

From Explanation of Terms Used in Entomology by John. B. Smith