or ie 
CONTENTS OF VOLUME VI. (New Srrizs), 
PART. 
1.—On Pithecanthropus erectus: A Transitional Form between Man and 
the Apes. By Dr. Eugéne Dubois. (February, 1896.) 
2.—On the Development of the Branches of the Fifth Cranial Nerve in 
Man. By A. Francis Dixon, 8.a., u.s., Chief Demonstrator of 
Anatomy, Trinity College, Dublin. Plates I. and II. (May, 1896.) 
38.—The Rhyolites of the County of Antrim; With a Note on Bauxite. 
By Grenville A. J. Cole, m.n.1.4., ¥.6.s., Professor of Geology in the 
Royal College of Science for Ireland. Plates III. and IV. (May, 1896.) 
4.—On the Continuity of Isothermal Transformation from the Liquid to 
the Gaseous State. By Thomas Preston, u.a., r.z.U.1. (June, 1896.) 
5.—On a Method of Photography in Natural Colours. By J. Joly, m.a., 
SC.D., F.R.S. Plates V. and VI. (October, 1896.) 
6.—On some Actiniaria from Australia and other Districts. By A. C. 
Haddon, u.a. (Cantab.), m.R.1.4., Professor of Zoology, Royal College 
of Science, Dublin; and J. E. Duerden, assoc. r.c.sc. (Lond.), Jamaica 
Institute, Kingston, Jamaica. Plates VII. to X. (October, 1896.) 
7.—On Carboniferous Ostracoda from Ireland. By T. Rupert Jones, F.r.s., 
and James W. Kirkby. Plates XI. and XII. (December, 1896.) 
8.—On Fresnel’s Wave Surface and Surfaces related thereto. By William 
Booth, m.a., Principal of the Hoogly College, Bengal; Officiating 
Director of Public Instruction, Assam. (July, 1897.) 
9.—On the Geology of Slieve Gallion, in the County of Londonderry. By 
Grenville A. J. Cole, m.z.1.4., F.c.s., Professor of Geology in the Royal 
College of Science for Ireland. Plates XIII. and XIV. (July, 1897.) 
10.—On the Origin of the Canals of Mars. By J. Joly, m.a., B.a.L, sc.p., 
F.R.S., Hon. Sec. Royal Dublin Society. Plates XV. and XVI. 
(August, 1897.) 
11.—The Course and Nature of Fermentative Changes in Natural and 
Polluted Waters, and in Artificial Solutions, as indicated by the 
Composition of the Dissolved Gases. (Part IV.) Humus: Its For- 
mation and Influence in Nitrification. By W. E. Adeney, assoc. 
R.C.SC.I., F.I.c., Curator in the Royal University of Ireland. (August, 
1897.) 
12.—On the Volume Change of Rocks and Minerals attending Fusion. By 
J. Joly, M.a., B.A.I., SC.D., F.R.S., Hon. Sec. Royal Dublin Society. 
Plates XVII. and XVIII. (October, 1897.) 
