THE NAUTILUS. ul 
REDUCTION OF PRICE. 
Nachrichtsblatt der Deutschen Malukozoologischen Gesells- 
chaft. Redigert von Kobelt, 12 volumes, 1869-80, roy. 8, 
with several plates (48 mk.), : , $5 50 
Yahrbucher der Deutschen Malakozoologischen Gesellschaft. 
Redigert von Kobelt, 7 volumes, 1876-80, roy. 8, with 84 
plates partly colored (108 mk.), $10 50 
Containing many papers on the geographical distribu- 
tion of Mollusca, which are also to be had separately. 
Westerlund, Fauna der in der Palaearktischen Region 
(Europe Caucasian, Liberian, Turanian, Persian, Kurdistan 
Egyptian, Tunisian, Morocco, ete.) lebenden Zinnenconchylien. 
8 parts. 
Published: PartsI-VI._. ; ; $10 60 
The most complete Conchyliology of Europe and the 
neighboring parts of Asia and Africa; part VII, VIII will 
~ 
appear before long. Every genus to be had separately. 
Ee Peele DEAN DER & ' SON: 
11 CARLSTRASSE, BERLIN, GERMANY. 
LARGEST STOCK OF CONCHOLOGICAL WORKS. 
DN oy hty A 
Catalogue No. 377. 
MOLLUSCA. 
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