VOL. XV.— No. 3. 
MARCH, 1906. 
OF 
GENERAL IRISH NATURAL HISTORY, 
ORGAN OF THE 
ROYAL ZOOLOGICAL SOCIETY OF IRELAND, 
DUBLIN MICROSCOPICAL CLUB, 
BELFAST NATURAL HISTORY & PHILOSOPHICAL SOCIETY, 
BELFAST NATURALISTS' FIELD CLUB, 
DUBLIN NATURALIvSTS' FIELD CLUB, 
CORK NATURALISTS' FIELD CLUB, 
LIMERICK FIELD CLUB, 
' ULSTER FISHERIES AND BIOLOCtY ASSOCIATION. 
EDITED BY 
Prof. GEORGE H. CARPENTER, B.Sc, M.R.I.A. 
R. tLOYD PRAEGER, B.A., B.E., M.R.I.A., 
AND 
ROBERT PATTERSON, F.Z.S., M.R.I.A. 
PRICE 6D. 
^DUBLIN: EASON & SON, LTD. 
8s Mid. ABBEY.ST.&40 LK Sackvii,i.e-st. 
Belfast: 17 Donegal,!.- st. 
London : 
SiMPKiN, Marshall, Hamilton, 
Kent & Co., Ltd. 
