Language: English
Published by GPO, Washington, 1960
Seller: Legacy Books II, Louisville, KY, U.S.A.
Soft cover. Condition: VG. 17pp extract, biblio, illustrated with 2 plates, salvaged from a damaged copy of the Annual Report Of The Board Of Regents Of The Smithsonian Institution For The Year 1959. Prevalence, alleged spontaneous generation, resistance of Ascaris eggs, mechanism of infection, egg development, newer knowledge of the life cycle, experimental demonstration of development cycle in animals, biological differentiation of human and pig Ascaris. Author was with the Agricultural Research Service, United States Department of Agriculture. Housed in protective mylar report cover.