The Azoic System and Its Proposed Subdivisions. (Bulletin of the Museum of Comparative Zoology, at Harvard College. Whole Series, Vol. VII. Geological Series, Vol. I. No. XI).
Cambridge, Massachusetts. Printed for the Museum. 1884. Soft cover. 24.5cm, xvi, p.331-p.565 (224p.), some leaves uncut, printed wraps, spine & edges of covers chipped, printed presentation slip laid in, fine (ds25.1). The rocks of the Azoic System have been grouped into distinct geographical divisions. Includes Canada (Logan), New Brunswick (Dawson).....