CONTENTS. 
PART II. 
IX. On the Skeleton of the Marsipobrarich Fishes. — Part I. The Myxinoids (Myxine 
and Bdellostoma). By William Kitchen Parker, F.R.S. . . page 373 
X. On the Skeleton of the Mar sip obr cmch Fishes. — Part II. Petromyzon. By William 
Kitchen Parker, F.R.S. . 411 
XI. On the Organization of the Fossil Plants of the Coal-Measures. —Part XII. By 
W. C. Williamson, LL.D., F.R.S ., Professor of Botany in the Victoria 
University, Manchester ... 459 
XII. Experimental Researches on the Electric Discharge with the Chloride of Silver 
Battery .— Part IV. By Warren De La Hue, M.A., D.C.L., Pli.D., F.R.S., 
and Hugo W. Muller, Ph.D., F.R.S. .477 
XIII. On Electrical Motions in a Spherical Conductor. By Horace Lamb, M.A., 
formerly Fellow of Trinity College, Cambridge, Professor of Mathematics in the 
University of Adelaide. Communicated by J. W. L. Glaisher, M.A., 
F.R.S. . 519 
XIV. Researches on the Foraminfera—Supplemental Memoir. On an Abyssal type 
oj- the Genus Orbitolites; —a Study in the Theory of Descent. By William 
B. Carpenter, C.B., M.D., LL.D., F.R.S . 551 
XV. On the Affinities of Thylacoleo. By Professor Owen, C.B., F.R.S., dc., Super¬ 
intendent of the Natural History Department, British Museum . . . . 575 
XVI. On the Morphology and the Development of the Peritliecium of Meliola, a Genus 
of Tropical Epiphyllous Fungi. By H. Marshall Ward, B.A., Fellow of 
Owens College, Victoria University; late Cryptogamist to the Ceylon Govern¬ 
ment. Communicated by W. T. Thiselton Dyer, C.M.G., M.A., Assistant 
D irector, Royal Gardens, Kew . 583 
X"VII. On the Atomic Weight of Glucinum (Beryllium). By T. S. Humpidge, Ph.D., 
B.Sc. Communicated by Professor E. Frankland, F.R.S .601 
