Freshwater Sponges: A Monograph. By Eeward Potts. Including ‘Diagnosis of the European Spongillidæ.’ By Prof. Franz Vejdovsky (Prague). Pp. 279, with 12 plates. (Proceedings of the Academy of Natural Sciences, Philadelphia, 1887, p. 157 et seq.)

Published in Annals And Magazine of Natural History, in 1888, in volume 1, pages 53-55

Date published:1888