38 Gen. Sub. 
I. GENERAL S OBJECTS. 
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707. Weldon, W. F. R. The utility of specific characters. [Letter] 
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708. . Measurements of Crabs. Nature, lv, p. 30. 
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710. Werner, F. Ueber die Schuppenbekleidung des regenerierten 
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711. Wetterhan, D. The utility of specific characters. [Letter] 
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712. Wiieeler, W. M. The sexual phases of Myzostomci. Mt. Stat. 
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713. . An antenniform extra appendage in Diloplius tibialis , Loew. 
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White, W. Hale. [See Pembrey & Hale White (533).] 
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710. Willem, Y. Observations sur la respiration cutanee des Limnees 
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717. ° Williams, H. S. Geological biology: an introduction to the geo- 
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718. ° Williamson, VV. C. Reminiscences of a Yorkshire naturalist. 
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719. °Wilser, L. Ueber Yererbungstheorien. Yerh. Yer. Karlsruhe, 
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Especially re Haacke’s. 
720. Wilson, E. B. The cell in development and inheritance. New 
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721. . Appendix [to Crampton (135)] on cleavage and mosaic work. 
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722. Wilson, Gregg. Hereditary polydactylism. J. Anat. Physiol, 
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725. ° Winterhalter, E. H. Ein sympathisches Ganglion im mensch- 
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