Note 209 — THE FLEA AND ITS RELATION TO PLAGUE.
Reading edition
1901, Rothschild.—“Notes on Pulex canis, Curtis, and Pulex felis, Bouché.” Entomologist’s Record, Vol. XIII, No. 4.
1905, Rothschild.—“Some Further Notes on Pulex canis, Curtis, and Pulex felis, Bouché.” Novitates Zoologicae, Vol. XII.