CHAPTER 11.
Reading edition
1842-1843: AGE 35-36.
Zoological Work uninterrupted by Glacial Researches.—Various Publications.—"Nomenclator Zoologicus."—"Bibliographia Zoologiae et Geologiae."—Correspondence with English Naturalists. —Correspondence with Humboldt.—Glacial Campaign of 1842. —Correspondence with Prince de Canino concerning Journey to United States.—Fossil Fishes from the Old Red Sandstone.—Glacial Campaign of 1843.—Death of Leuthold, the Guide.