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THE 
SCIENTIFIC PROCHEDINGS 
OF THE 
ROYAL DUBLIN SOCIETY, 
Vou. II. (NEw Series). APRIL, 1880. Part Y. 
CONTENTS. 
: Page 
XLIL On Branched Hairs from the Stamens of Tradescantia 
Virginica. By Professor M‘Nas, M.D., F.L.S., Plate 20, 289 
XLII. On some Abnormal Flowers of Primula. By Professor 
MNase VOD BES: (5 " : ; : st 290 
XLIV. Note on the Hao: hairs of Azolla pinnata, BY Professor 
bak Hosa Oe DAM eh i «ea : 291 
XLV. atin of the Lepidoptera ( (iihiapatoodea, Spbanetae! 
Castniide, and Uraniidz) in the Museum of Science and 
Art, Dublin, with remarks on new or interesting Species. 
By W. F. Kirsy, late Assistant-Naturalist in the] Museum, 292 
XLVI. On Spheroidal Jointing in Metamorphic Rocks in India and 
elsewhere, producing a_ structure resembling Glacial 
‘¢ Roches Moutonnées.” By V. Bart, M.A., F.G.S., of the 
Geological Survey of India. Plates 21, 22, and 23) 34] 
XLVII. On the Pay Telescope, and on the New Ohsceeutany 
of the Queen’s College, Cork. By Howarp Gruss, M.E., 
i F.R.A.S. With Plates 24 and 25, and Woodcuts, . Ok >t eeeg 
: XLVIII. Note on the Conductivity of’ Tourmaline Crystals. By 
GerorcE Francis Firzcrraxp, M.A., ¥F.T.C.D., : 2 ye e@ 
: XLIX. Note on the Construction of Guard-ring Electrometers. By 
on _ Groner Francis Firzaerarp, M.A., F.T.C.D., 5 ee SED 
Mi, L. A Comparative Catalogue of Birds found in Europe and 
North America. By Percy Evans Frexe, ) : pam Wes.) 
' 
The Authors alone are responsible for all opinions expressed in their communications. 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 
arabia se BY ALEX. THOM & Co., 87, 88, & 89, ABBEY-STREET, 
THE QUEEN’S PRINTING OFFICE. 
FOR HER MAJESTY’S STATIONERY OFFICE. 
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