Monographie du genre Pleurosigma et des genres alliés
By: by H. Peragallo
Publisher: Tempère
Published: 1890
Place of publication: Paris
Language: fre
Number of pages: 35
Subjects: Fragilariaceae
Notes: "Extrait du Diatomiste, 1890-91"

Separately paged supplement in Diatomiste, v. 1:4,5.