Of these, the possession of a dry hairy skin instead of a moist or mucus bearing, chitinous skin, the ownership of an internal bony skeleton and a large skull, and a complicated development of brain, are the diagnostic signs.
"The Glands Regulating Personality"
Louis Berman, M.D.
This time, they were in a building, like a crude shed, and there were men there, standing in front of a creature that seemed like a human in armor-but chitinous armor that was part of him.
"Victory"
Lester del Rey
The transformations are complete, but the chitinous larval covering is often so very thin and delicate that the budding of the members, or gradual growth of the pupa underneath, is quite plainly visible, and the skin often peels off in delicate flakes, so that the transition from larva to pupa is not so marked and sudden as in those insects which have thicker skins.
"Directions for Collecting and Preserving Insects"
C. V. Riley