A General textbook of entomology :
Richards, O.W.
A General textbook of entomology : including the Anatomy, Physiology, ddevelopment & classification of insects / O.W. Richards and R.G. Davies - 9th ed. - London : Chapman and Hall ; c1957 [Reprinted 1963]. - x, 886 p.: : ill. ; 25 cm.
Includes bibliographical references & index.
Entomology.
Insects.
595.7 / RIG
A General textbook of entomology : including the Anatomy, Physiology, ddevelopment & classification of insects / O.W. Richards and R.G. Davies - 9th ed. - London : Chapman and Hall ; c1957 [Reprinted 1963]. - x, 886 p.: : ill. ; 25 cm.
Includes bibliographical references & index.
Entomology.
Insects.
595.7 / RIG