Een monografie van het genus Operculina d'Orbigny, 1826
Published: 1948
Place of publication: Leiden
Language: dut
Number of pages: 159
Subjects: Operculina
Notes: Summary in English.

Errata leaf inserted.

"Stellingen": [2] leaves inserted.

Proefschrift--Leyden.

Bibliography: p. 124-153.