Evans, Gwilym Owen The terrestrial Acari of the British Isles an introduction to their morphology, biology and classification / by G. Owen Evans, J. G. Sheals and D. MacFarlane. - London: British Museum; 1961. - v. : ill. ; 26 cm. Includes bibliographies. v. 1. Introduction and biology. Subjects--Topical Terms: Mites--British Isles