TRANSACTIONS ^^ , /? . 



ROYAL SOCIETY OF EDINBURGH. 



VOL. XLVIL— PART I.— (No. 4). 



SUPPLEMENTARY REPORT ON THE HYDROIDS OF THE 

 SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 



BY 



JAMES RITCHIE, M.A., B.Sc. 



EDINBURGH: 



PUBLISHED BY ROBEET GRANT & SON, 107 PRINCES STREET, 



AND WILLIAMS & NORGATE, U HENRIETTA STREET, COVENT GARDEN, LONDON. 



MDCCCCIX. 

 Price Three Shillings. 





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