I take pleasure in acknowledging my obligations and returning thanks to my valued correspondent, J. C. Loudon, Esq., F. L. S., etc., of London, the most distinguished gardening author of the age, for the illustrations and description of the English Suburban Cottage in the Appendix; to the several gentlemen in this country who have kindly furnished me with plans or drawings of their residences; and to A. J. Davis, Esq., of New York, and J. Notman, Esq., of Philadelphia, architects, for architectural drawings and descriptions.