On some North American Siphonaptera. A further collection of Siphonaptera obtained by Mr. F. Shaw Mayer in eastern New Guinea. Records and descriptions of Siphonaptera. Some Siphonaptera from Morocco. A new flea from China. A new Xenopsylla from Nyasaland (Siphonaptera). Three new bird-fleas from Kashmir. Two new fleas from South America (Siphonaptera). On some Australian Siphonaptera.