, 1830-1877. Comparative zoology : structural and systematic, for use in schools and colleges / James Orton. - Revised edition - ix , [11]-413 pages : illustrations ; 21 cm. LCCN: 03016150 Subjects--Topical Terms: Zoology.Anatomy , Comparative.Variation biology. LC Class. No.: QL47 / .O7 1883 Dewey Class. No.: 591