[029092] Bryson, John. The Geological Formation of Long Island, New York; With a Description of Its Old Water Courses. New York, N.Y.: MacGowan & Slipper, Printers, 1885. First Edition. 18 pages; folding black & white map of Long Island and Connecticut Shore at front (with old damp-discoloration at margins) approx. 9 1/4" x 11 3/4" overall size. The author's Preface states that "The study of the drift phenomena was taken up by the writer, while superintendent of the National Cemetery at Cypress Hills, Long Island. he makes no pretension to being a geologist, yet he hopes that his observations, very carefully made, will help somewhat in solving the perplexing problem - the formation of the Island..." With text on the Champlain Period, the mainland connection, sub-glacial streams, the South Side, kettle holes and the 'bowlder' phenomenon; submergence, shells and other marine deposits, rock in situ, the Hempstead Plains, southern ridges, clay beds and other phenomena. Title page with the previous owner name-stamp of Long Island NY collector George R. Brush M.D. a Civil War veteran surgeon & medical inspector, in the Navy from 1861-1894. Approx. 6" x 9 1/4" size; in the original publishers' sewn & printed gray-green paper wraps. Covers worn, soiled, old discoloration & fading; text contents in very good condition.  [029091] Pennypacker, Morton. General Washington's Spies on Long Island and in New York Volume II. East Hampton, Long Island: The Pennypacker Long Island Collection East Hampton Free Library, 1948. First Edition. (2) + 42 pages + folding Woodhull Family Chart at back + (1) page index to codes used by the spies. With a tipped-in black & white portrait of the 'Grandson of Culper Junr's Brother.' This is the follow-on supplement to the author's previous works on the spies of General Washington during the Revolutionary War, especially relating to Long Island & New York. Approx. 6 1/4" x 9 1/4" size; bound in the original brick red cloth, gilt spine titles. Slight wear; contents clean and in very good condition.