IV 
CONTENTS. 
PAGE 
On the Suprarenal Bodies of Vertebrata. By W. F. R. Weldon, 
B.A., Fellow of St. John’s College, Cambridge, Lecturer on 
Invertebrate Morphology in the University. (With Plate XI 
and XII) 137 
On the Life-History of Certain British Hetercecismal Uredines. 
(The Ranunculi iEcidia and Puccinia Schoeleriana.) By 
Charles B. Plowright . ..... 151 
On the Occurrence of Chitin as a Constituent of the Cartilages of 
Limulus and Sepia. By W. D. Halliburton, M.D., B.Sc., 
Sharpey Physiological Scholar, University College, London. (From 
the Physiological Laboratory, University College, London) . 173 
CONTENTS OF No. XCVIII, N.S., APRIL, 1885. 
MEMOIRS : 
The Urinary Organs of the Amphipoda. By W. Baldwin Spencer, 
B.A., Scholar of Exeter College, Oxford. (With Plate XIII) . 183 
The Skin and Nervous System of Priapulus and Halicryptus. By 
Robert Scharff, Ph.D. (With Plate XI Y) . . . 193 
The Eye and Optic Tract of Insects. By Sydney J. Hickson, 
B.A. Cantab., D.Sc. Lond., Scholar of Downing College, Cam- 
bridge, and Assistant to the Linacre Professor of Comparative 
Anatomy at Oxford. (With Plates XY, XVI and XVII) . 215 
A Peculiar Sense Organ in Scutigera coleoptrata, one of the 
Myriapoda. By F. G. Heathcote, B.A., Trinity College, Cam- 
bridge. (With Plate XVHI) ..... 253 
The Structure and Development of Loxosoma. By Sidney F. 
Harmer, B.A., B.Sc., King’s College, Cambridge, Demonstrator 
of Comparative Anatomy in the University. (With Plates 
XIX, XX and XXI) 261 
A New Hypothesis as to the Relationship of the Lung-book of 
Scorpio to the Gill-book of Limulus. By E. Ray Lankester, 
M.A., LL.D., F.R.S., Jodrell Professor of Zoology in University 
College, London ....... 339 
