EXUVIAE • DICTIONARY ONE.COM • Definition of Exuviae

... should form some estimate, from what occurs within our reach, of the effects produced in these deposits by the vast number of organized beings that must people them, the deposits of vegetable matter, and the exuviae, of animals. Such discussion would, however, be in a considerable degree purely conjectural, and we therefore shall not enter into it. It is sufficient to say, that formations analogous to those which the elevation of the continents has exposed to our view, must be now taking ...

— The American Quarterly Review, No. 17, March 1831 • Various