CONTENTS 
{All rights reserved) 
PAGE 
Nuttall, George H. F. and Fantham, H. B. Theileria parva, 
the Parasite of East Coast Fever in Cattle. (Plate XII and 
2 Charts.) . . . ..117 
Harding, W. A. A Revision of the British Leeches. (Plates 
XIII to XV and 16 Text Figures.) ..... 130 
Nuttall, George H. F. The Degenerative Appearances 
observed in Piroplasma canis and in Trypanosoma hrucei 
following upon Drug Treatment. (2 Diagrams.) . . 202 
Wenyon, C. M. a New Flagellate {Macrostoma mesnili N.Sp.) 
from the Human Intestine with some Remarks on the 
Supposed Cysts of Trichomonas. (Plate XVI and 2 Text 
Figures.) . . . . . ... . . . 210 
Heape, Walter. Note on the so-called Musculature of Taenia 
elliptica. (Plate XVII.) ....... 217 
Swellengrebel, N. H. Fixation and Staining of Trypanosoma 
lewisi. (7 Text Figures.) ....... 226 
Porter, Annie. The Leucocytozoa.239 
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