IV 
CONTENTS. 
CONTENTS OF No. LXXYIII, N.S., APEIL, 1880. 
I^IEMOIRS : 
PAGE 
The Coffee-leaf Disease of Ceylon. By W. T. Thiselton 
Dyer, F.L.S., Assistant Director, Royal Gardens, 
Kew. (With Plates IX, X, XI, XII, XIII, and XIV) . 119 
On Shepheardella, an XJndescribed Type of Marine Rhizopoda ; 
with a Pew Observations on Lieberkiihnia. By J. D. Siddall. 
(With Plates XY and XVI) 130 
Development of the Kidney in its relation to the Wolffian Body 
in the Chick. By Adam Sedgwick, B.A., Scholar of Trinity 
College, Cambridge ; Demonstrator in the Morphological La- 
boratory. (With Plates XVII and XVIII) . . . 146 
Notes on the Development of the Araneina. By P. M. Balfour, 
M.A., P.R.S., Fellow of Trinity College, Cambridge. (With 
Plates XIX, XX, and XXI) 167 
A Contribution to the Biology of Bacteria. By Dr. L. Wald- 
STEIN, of the Pathological Institute, Heidelberg . .190 
Some Teachings' of Development. By E. Schafer, F.R.S., 
Pullerian Professor of Physiology ^ . . . . 202 
On the Histology of Hydra fusca. By T. Jeffery Parker, 
B.Sc., Professor of Natural History in the University of Otago 219 
The Orthonectida, a New Class of the Phylum of the Worms. 
By Alfred Giard, Professor in the Faculty of Sciences of 
Lille. (With Plate XXII) 225 
NOTES AND MEMORANDA: 
The Origin of the Red Corpuscles of Mammalian Blood . 241 
I. On the Mode in which Hydra Swallows its Prey. By M. 
M. Hartog, M.A., B.Sc., ’F.L.S., of the Owens College, 
Manchester ...... 243 
II. Additional Note on Hydra. By the Same . . 243 
III. On the Anal Respiration of the Copepoda. By the Same . 244 
Dr. G. von Koch’s Method of Preparing Sections of Corals . 245 
