Resultados de búsqueda: evidences of primitive life de walcott charles d

Washington: GPO, 1916. Book. VG. Soft cover. 8vo. 21pp extract, illustrated with 18 plates of examples, salvaged from a damaged copy of the Annual Report Of The Board of Regents Of The Smithsonian Institution For The Year Ending June 30, 1915. Pre - Cambrian Algonkian North America, the extent of withdrawal of seas in Algonkian time, Agonkian formations, unconformity between cambrian and pre - cambrian rocks, origin of Algonkian limestones, fossil bacteria, pre - cambrain algonkian bacteria, Algonkian fossil algal remains, cambrian sections, cambrian fauna of China, the great middle cambrian fossil quarry of British Columbia, evolution of early marine life, middle cambrian holothurians, cambrian brachiopoda, theoretical evolution of cambrian crustacea from the branchiopoda, middle cambrian crustaceans, discovery of another cambrian fauna in the Canadian Rockies, upper cambrian fauna of the Mississippi Valley, the sardinian cambrian genus Olenopsis in America. Housed in protective mylar report cover..

Smithsonian Institution, 1915. first Edition. Disbound. Very Good Condition. 21 pages, 18 plates. Note; this is an original article separated from the volume, not a reprint or copy. Size: Octavo (24 x 16 cms). Quantity Available: 1. Category: Smithsonian Institution; Inventory No: 239034..