| Description | the correspondence includes:
letters,
a sketch of the "apical membranous lobe of sternum" of Ceratophyllus garei,
a report about Aenigmopsylla,
a sketch of a finger of a flea (m p nov?),
a list of fleas known from Japan,
3 black and white pictures of Rhadinopsylla,
12 black and white phoyographs of Malateus |