63 Ituecta. 
XII. Insecta. 
[191 TJ 
Warren, D. C. Mutations in Droso- 
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Wasmann, E. Myrmekophile und 
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Watanabe, K. Kasan no santai wo 
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(4-9 with 6 pis.) 296 1917 (4-14 with 
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Waterston, J. Notes on the morpho- 
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Waterston, J. A new african louse 
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Waterston, J. Notes on Coccid- 
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Waterston, J. Notes on Coccid- 
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Waterston, J. A new species of 
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[Hymcnoptera.] . 1386 
Waterston, J. Chaleidoidea bred 
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Waterston, J. On a new species of 
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Waterston, J. vide Turner and 
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Webb, J. L. and Hutchison, H. H. 
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Webster, R. L. Notes on two straw- 
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Wehrli, E. Fur Basel und die 
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Weiss, H. B. Additions to the in- 
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1393 
Weiss, II. B. Undesirable insect 
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Weiss, H. B. vide Dickerson and 
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Welander, E. Bidrag till kannedo- 
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Welch, P. S. Further studies on 
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Wells, Emma vide Gibson and Wells. 
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West, A. Orchestes angustifrons 
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