Monography of the family Unionidae, or Naiades of Lamarck fresh water bivalve shells, of North America illustrated by figures drawn on stone from nature. This book, "Monography of the family Unionidae, or Naiades of Lamarck fresh water bivalve shells, of North America illustrated by figures drawn on stone from nature", by T.A. Conrad, is a replication of a book originally published before 1836. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.