Laporte, L.J. & P. Lefébure — Diatomées rares et curieuses.

1929 Two volumes in one. [26] p. (mostly introduction and captions to the plates), 30 heliogravure plates (depicting 220 photographs), 4to, half sheepskin (basane) with marbled boards, spine with five raised bands and author/title in gilt in one of the compartments of spine. Privately printed for the authors. Missing are the two title-pages. Good copy.