CONTENTS. 
PAST II. 
XI. On the Tides of the Arctic Seas. By the Bev. Samuel Haugiiton, M.J). Buhl., B.C.L. 
Oxon., F.B.S., Fellow of Trinity College, Bublin . — Part IV. On the Tides of 
Northumberland Sound, at the Northern Outlet of Wellington Channel page 317 
XII. On the Tides of the Arctic Seas. By the Bev. Samuel Haugiiton, M.B. Bubl., 
B.C.L. Oxon;, F.B.S., Fellow of Trinity College , Bublin . — Part V. On the Tides 
of Befuge Cove, Wellington Channel 331 
XIII. On the Tides of the Arctic Seas. By the Bev. Samuel Haugiiton, M.B. Bubl., 
B.C.L. Oxon., F.B.S., Fellow of Trinity College, Bublin . — Part VI. Tides of Port 
Kennedy, in Bellot Strait 339 
XIV. On the Mathematical Expression of Observations of Complex Periodical Pheno- 
mena ; and on Planetary Influence on the Earth's Magnetism. By Charles 
Chambers, F.B.S., and F. Chambers . . 361 
XV. Beduction of Anemograms taken at the Armagh Observatory in the years 1867-63. 
By T. R. Robinson, B.B., F.B.S., F.A.S., Ac 403 
XVI. The Croonian Lecture. — Experiments on the Brain of Monkeys (Second Series). 
By David Ferrier, M.A., M.B. , Professor of Forensic Medicine, King's College. 
Communicated by Br. Sanderson, V.P.B.S 433 
XVII. On a Class of Identical Belations in the Theory of Elliptic Functions. By 
J. W. L. Glaisher, M.A., Fellow of Trinity College, Cambridge. Communicated 
by James Glaisher, F.B.S. .489 
XVIII. On Bepulsion resulting from Badiation . — Part II. By William Crookes, 
F. B.S. Ac. . . 619 
XIX. On the Structure and Bevelopment of Myriothela. By Professor Allman, M.B,, 
LL.B., F.B.S., President of the Linnean Society 549 
XX. Spectroscopic Observations of the Sun. By J. Norman Lockyer, F.B.S., and 
G. M. Seabroke, F.B.A.S. 577 
XXI. Tables of Temperatures of the Sea at different Bepths beneath the Surface, 
reduced and collated from the various observations made between the years 1749 
and 1868, discussed. With Map and Sections. By Joseph Prestwich, M.A., 
F.B.S., F.G.S. 587 
XXII. A Memoir on Prepotentials. By Professor Cayley, F.B.S. 
Index ... 
675 
775 
