]^74 üi"- W. "Weltner: Bericht über die Leistungen 



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— 7. Im Tageblatt 60. Versamral. Deutsch. Naturf. und Aerzte. 

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— 2. Note on Structure of the Skeleton in the Anomocladina. 

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— 3. On Vetulina stalactites (0. S.) and the Skeleton of the 

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— 4. The Tetractinellida. Report Challenger Narrative. Vol. 1. 

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— 5. A Classification of the Sponges. Ann. Mag. N. H. (5) 

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— 6. Note on the Artificial Deposition of Crystals of Calcite on 

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— 7. A Classification of the Sponges. Sc. Proc. Roy. Dublin 

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— 8. Preliminary Account of the Tetractinellid Sponges dredged 

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— 9. Letter on Dr. K. Heider's paper on Oscarella lobularis. 

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— 10. Article Sponges. Encyclopaedia Britannica. 9^-ed. V. 22, 

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Thompson, W. D'arcy. A Bibliography ofProtozoa, Sponges, 

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Topsent, E. Sur les pretendus prolongements peripheriques des 

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Vejdovsky, F. 1. Einiges über ,,Spongilla glomerata." Zool. 

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— 2. Diagnosis of the European Spongillidae s. Potts (5). 

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— 2. The Sponges of the ,, Willem Barents" Expedition 1880 



