CONTENTS. 
PART III. 
XXII. On the Ciliated Groove ( Siplionoglyphe) in the Stomodceum of the Alcyonarians. 
By Sydney J. Hickson, B.A. (Cantab.), B.Sc. (Bond.), Assistant in the 
Anatomiccd Laboratory, Oxford. Communicated by Professor H. N. Moseley, 
F.R.S . page 693 
XXIII. On the Determination of the Number of Electrostatic Units in the Electro¬ 
magnetic Unit of Electricity. By J. J. Thomson, M.A., Fellow and Assistant 
Lecturer, Trinity College, Cambridge. Communicated by Lord Rayleigh, 
F.R.S. . 707 
XXIV. The Development of Renilla. By Edmund B. Wilson, Ph.D., Fellow of 
Johns Hopkins University. Communicated by Professor Huxley, F.R.S. 723 
XXY. On the Continuity of the Protoplasm through the Walls of Vegetable Cells. By 
Walter Gardiner, B.A., late Scholar of Clare College, Cambridge. Com¬ 
municated by W. T. Thiselton Dyer, C.M.G., F.R.S. . . . . . . 817 
XXVI. Supplement to former Paper, entitled — <£ Experimental Inquiry into the 
Composition of some of the Animals Fed and Slaughtered as Human Food .”— 
Composition of the Ash of the entire Animals, and of certain separated parts. 
By Sir John Bennet Lawes, Bart., LL.D., F.R.S., F.C.S., and Joseph 
Henry Gilbert, Pli.D., LL.D., F.R.S., V.P.C.S . 865 
XXVII. The Bakerian Lecture. — On Radiant Matter Spectroscopy: The Detection 
and wide Distribution of Yttrium. By William Crookes, F.R.S. . . 891 
XXVIII. On a new Crinoid from the Southern Sea. By P. Herbert Carpenter, 
M.A., Assistant-Master at Eton College. Communicated by William B. 
Carpenter, C.B., M.D., F.R.S . 919 
XXIX. An Experimental Investigation of the Circumstances which determine whether 
the Motion of Water shall be Direct or Sinuous, and of the Law of Resistance 
in Parallel Channels. By Osborne Reynolds, F.R.S. . 935 
Index to Volume 
983 
