The Mason-Bees

pubOne.info present you this new edition. This volume contains all the essays on the Chalicodomae, or Mason-bees proper, which so greatly enhance the interest of the early volumes of the “Souvenirs entomologiques. ” I have also included an essay on the author's Cats and one on Red Ants— the only study of Ants comprised in the “Souvenirs”— both of which bear upon the sense of direction possessed by the Bees. Those treating of the Osmiae, who are also Mason-Bees, although not usually known by that