V. 



TEXT-BOOK OF ZOOLOGY 



BY 



H. G. WELLS, B.Sc., F.Z.S., F.C.P. 



AND 



A. M. DA VIES, D.Sc. 



Ninth Impression (Sixth Edition) 



REVISED BY J. T. CUNNINGHAM, M.A. OXON. 



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LONDON : W. B. CLIVE 



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HIGH ST., NEW OXFORD ST., W.C. 

 1916 



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