455. An apparent exception has been observed by Danne in the case of certain
lead minerals which occur under peculiar conditions at d’Issy-l’Évêque, France.
See p. 465.
Transcriber’s Notes:
Inconsistent spelling and hyphenation were made consistent only when a predominant
form was found in this book.
Footnotes have been collected at the end of the text, and are linked for ease of
reference.