Excerpt from The Entomologist's Record and Journal of Variation, 1955, Vol. 67 Owing to a change in residence the above broods had to be portable and they were

Excerpt from The Entomologist's Record and Journal of Variation, 1958, Vol. 70 Joan lupton who illustrated the above book and this companion volume has helped t

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi

Excerpt from The Entomologist's Record and Journal of Variation, 1950, Vol. 62 Tutt gives a table of the different colour forms which were known to him 162 Ther