BRITISH MUSEUM (NATURAL HISTORY). 



BRITISH ANTARCTIC ("TERRA NOVA") EXPEDITION, 1910. 



NATURAL HISTORY REPORT. 



ZOOLOGY. VOL. II, No. 11. Pp. 257-260. 



HIRUDINEA. 



BY 



W. A. HARDING, M.A., F.L.S. 



WITH ONE PLATE. 



LONDON : 



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1922. 



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[Issued 28t January. 1922.] 





