' TEI PROOEEDINGS 
YAL DU BLI N SOCI ETY. 
NOVEMBER, 1898. 
CONTENTS. 
dias e are responsible for all Gains expressed in their Comm nen ae 
; he ee Investigation of Submarine Hpac By 
Joty, M.A., B.A.I., D.Sc., F.R.S., Hon. Sec. R.D.S. 
. bs __ (Plate 2.0.00 ReaD eR uuwme oe age : : 
i 
“Position in a Focus Tube from which the ae are 
emitted. By the Very Rey. Grranp Morxoy, D.D., D.Sc, _ 
New Method of conferring Distinguishing Characteristic 
Appearance upon Illuminated Buoys and Beacons for Har- 
ours, Estuaries; and Rivers. By Joun R. WicHam, 
IR. I. A., Member of the Council of the has Dublin 
at by Professor E. Hale, of the Yerkes foe ey Chicago, 
‘‘The Comparative Values of Refracting and Reflecting 
Telsgs for Astrophysical Observations.” By Srp Howarp 
¥ 
ry e ° . 
Ate theaival Chiko of fotnigbnaity of 8 Biiloneas and Symmetry ~ 
Geometrically investigated; with Special Application to 
Crystals and to Chemical Combination. By Wittram 
ae A pb “ 3 i : . si 
abn By Fev. T. Trovro, D.Sc., F.B.S., . 
Phellia Sollasi : A New Species of Actiniarian from Oceania. 
_ By Aurrep C. Happon, M.A., D.Sc., Professor of Zoology, 
Royal College of Science, Dublin, ; : : sive 
e Apparent Cometary Nature of the Spiral Nebula in Canes 
Venatici. By E. W. Witson, F.R.S. (Plate XX1.), F 
[Continued on page 2.] 
D UBL. TN: 
i WILLIAMS AND NORGATE, 
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20, SOUTH FREDERICK-STREET, EDINBURGH; 
anp 7, BROAD-STREET, OXFORD. 
1898. 
Bight Shillings ind Sixpence. 
