1. Selections from the scientific correspondence of Cadwallader Colden with Gronovius, Linnaeus, Collinson, and other naturalists Author(s): Colden, Cadwallader, 1688-1776 Publication: New Haven : Printed by B.L. Hamlen, 1843 Subject(s): PlantsNorth America
2. Notice of a memoir by C.G. Ehrenberg, on the extent and influence of microscopic life in North and South America Author(s): Bailey, Jacob Whitman, 1811-1857 Publication: New Haven : B.L. Hamlen, 1844 Subject(s): EukaryotaFossilsAquatic OrganismsNorth AmericaSouth AmericaEhrenberg, Christian Gottfried, 1795-1876.