CONTENTS 
{All rights reserved) 
PAGE 
Warburton, Cecil. Notes on the Genus Rhipicephalus, with 
the Description of New Species, and the Consideration of 
some Species hitherto described. (With 12 Text-figures) . 1 
Watson, E. A. and Hadwen, S. Trypanosomes found in 
Canadian Mammals. (With Plates I and II) ... 21 
Southwell, T. The Ceylon Pearl Inducing Worm. A Brief 
Review of the Work done to date ..... 27 
Christophers, S. R. The Development of Leucocytozoon canis 
in the Tick with a Reference to the Development of Piro- 
plasma. (With 2 Diagrams) ...... 37 
Schilling-Torgau, Dr V. Bemerkung zu der Arbeit Otto 
V. Huffman: "The Kurloff-body, a Spurious Parasite” . 49 
Nuttall, George H. F. Notes on Ticks. II. (1) New 
Species {Amblyomma, Haemaphysalis). (2) Ixodes putus: 
Description of the hitherto unknown Larval Stage. (With 
9 Text-figures) ......... 50 
Nuttall, George H. F. Note on Rossiella rossi (Nuttall, 1910) 
occurring in the Jackal in British East Africa ... 61 
Nuttall, George H. F. and Strickland, C. On the Occurrence 
of two Species of Parasites in Equine “ Piroplasmosis ” or 
‘‘Biliary Fever.” (With Plate III, 8 Diagrams, 1 Text- 
figure and 5 Charts) . . . . . . . .65 
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