Morton, John, 1923- Guts : the form and function of the digestive system / John Mo rton. - 2nd ed. - London : Edward Arnold, 1979. - 59 p. : ill. ; 22 cm. - Institute of Biology's studies in biology ; no. 7 . Includes bibliographical references. Subjects--Topical Terms: Intestines. Dewey Class. No.: 591.132