[MUSSELS. – six works illustrated with photogravures.]

H.ZWIESELE, F.HAAS, E. SCHWARZ, R. STURANY and others.

[MUSSELS. – six works illustrated with photogravures.]

[comprising:]

1.Heinrich ZWIESELE (1867-1925). [Cover title:] Die Najaden von Lungern- und Sarnersee. Stuttgart: [1913?]. Quarto. 3 photogravure plates titled and annotated by Schnitter?. Original blue/grey paper wrappers (some toning). Provenance: Helmut Schnitter (Basel, ink stamp, with collection  number ‘1012’). See below.

2.Heinrich ZWIESELE (1867-1925). [Cover title:] Die Muscheln (Najaden) des Vierwaldstattersees. Stuttgart: [1913?]. Quarto. 16 photogravure plates titled and annotated by Schnitter?, extra-illustrated with manuscript notes (by Schnitter?) tipped to front paste-down. Original light blue paper wrappers (some toning). Provenance: Helmut Schnitter (Basel, ink stamp, with collection  number ‘1016’). In 1922 Schnitter published his thesis ‘Die Najaden in der Schwiez’.

3.Fritz HAAS (1886-1969) & Erdmann SCHWARZ. Die Unioniden des Gebietes zwischen Main und deutscher Donau in tiergeographischer und biologischer Hinsicht. Munich: 1913. Quarto. 4 photogravured plates on two double-page leaves, 1 double-page maps, plates and map loosely inserted. (Ink stain to verso of one plate). Original blue/green paper wrappers (ink smear to lower wrapper), stapled into cream paper wrappers.  

4.Rudolf STURANY (1867-1935). [Drop-head title:] Ueber die Molluskenfauna Centralafrikas. [Berlin?: 1894?] Large octavo. 2 photgravure plates. Stapled into cream paper wrappers. Provenance: Conchological Society (ink stamp). Off-print.

5.-6. [two volumes, a duplicate of title #3, and a part work (in French) with 4 photogravure plates of Musssels. (6).

RIJ 893, 982, 981, 4101, [???], [???]