
Wolle, Francis 1817-1893 Fresh-water Algae of the United States; (exclusive of the Diatomaceae) Complemental to Desmids of the United States ... One Hundred and Fifty-one ... Nine Additional Plates of Desmids; plates
![Hagen, Hermann August 1817-1893 Synopsis of the Neuroptera of North America [microform]: With a List of the South American Species](https://r.kelkoo.com/resize.php?country=se&merchantId=100565793&categoryId=5101&trackingId=96964074&width=300&height=300&image=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F316iQ8TLHdL._SL500_.jpg&sign=cIBdJqHEl1sBr4dii7eKY9LVIjgJbnfG9.ZQbBzBoz0-)
Hagen, Hermann August 1817-1893 Synopsis of the Neuroptera of North America [microform]: With a List of the South American Species
![Wolle, Francis 1817-1893 Diatomaceæ of North America [microform]: Illustrated With Twenty-three Hundred Figures From the Author's Drawings on One Hundred and Twelve Plates](https://r.kelkoo.com/resize.php?country=se&merchantId=100565793&categoryId=5101&trackingId=96964074&width=300&height=300&image=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F31MmVgZoDwL._SL500_.jpg&sign=mA08y1o8fOw0d84G1LPlGuustjcvKBLqIkps8J9.t2U-)
Wolle, Francis 1817-1893 Diatomaceæ of North America [microform]: Illustrated With Twenty-three Hundred Figures From the Author's Drawings on One Hundred and Twelve Plates