

'//^ 



Vol. XXXIII. No. 10. 

 OCTOBER, 1923 











-r] 



1 



H flDontblip 3ournal 



OF 



GENERAL IRISQ NATURAL HISTORY. 



ORGAN OF THE 



ROYAL ZOOLOGICAL SOCIETY OF IRELAND 



DUBLIN MICROSCOPICAL CLUB, 



BELFAST NATURAL HISTORY & PHILOSOPHICAL SOCIETY, 



BELFAST NATURALISTS' FIELD CLUB, 



DUBLIN NATURALISTS' FIELD CLUB, 



CORK NATURALISTS' FIELD CLUB, 



TYRONE NATURALISTS' FIELD CLUB, 



EDITED BY 



R. LLOYD PRAEGER, B.E., D.Sc, M.R.I.A., 

 0. B. MOFFAT, B.A., M.R.I.A., 



AND 



ROBERT J. WELCH, M.R.I.A.' 

 PRICE Is. 



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^T DUBLIN: EASON & SON, Limited, i 

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