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1568. Waller, J. G. Oa the so-called boring or burrowing Sponge, CUona 



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1569. . Observations on the Freshwater Sponges. J. Quek. Club, vol. iii. 



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1570. . On a new British Sponge of the Genus Microciona. Monthl. 



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1578. . A Contribution to the Physical History of Flint. Ann. M. N. H. 



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1579. . A Contribution to the Physical History of the Cretaceous Flints. 



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1580 On Siliceous Sponge-growth in the Cretaceous Ocean. Ann, 



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1581. Wartman, B. Von dem Fischbrod. Naturf. vol. xxi. (1785). 



1582. . Von dem Fischbrod. Naturf. vol. xxii. (1787). 



1583. Weber, M. Verslag over de zoologische onderzoekingen gedurende de 

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1584 Webster, T. On some new varieties of Fossil Alcyonia. Trans. Geol. 

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1585. Weinland, D. T. Ueber die in Meteoriten entdeckten Thierreste. 



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1586. Weltner, Wilh. Beitrage zur Kenntniss der Spongien. (Inaug. 



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1587. Wetherell, W. T. Note on a new Species of Clio7iites. Ann. 



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1588. White, C. A. The enemies and parasites of the Oyster, past and 



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1589. Whiteaves. On Deep-Sea Sponges. Am. J. Sci. vol. vii. p. 211. 



1590. Whitfield, R. P. Observations on the Structure of Bictyophyton and 



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1593 . On the nature of Bictyophyton. Ann. M. N. H. ser. 5, Tol. viii. 



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