Contents 
v 
Patton, W. S. Inoculation of Dogs with the Parasite of Kala Azar 
( Herpetomonas [Leishmania] donovani ) with some Remarks on the 
Genus Herpetomonas ......... 
Wenyon, C. M. A Trypanosome and Haemogregarine of a Tropical 
American Snake. (Plate XXI.) ...... 
Patton, W. S. The Haemogregarines of Mammals and Reptiles 
Patton, W. S. and Strickland, C. A Critical Review of the 
Relation of Blood-sucking Invertebrates to the Life Cycles of 
the Trypanosomes of Vertebrates, with a Note on the Occurrence 
of a Species of Crithidia, C. ctenophthalmi, in the Alimentary 
Tract of Ctenophthalmus agyrtes, Heller . . . . . 
Nuttall, George H. F., Cooper, W. F. and Robinson, L. E. On 
the Structure of the Spiracles of a Tick— Haemaphysalis punctata, 
Canestrini and Fanzago. (Plates XXII, XXIII.) 
Lebour, Marie V. A Contribution to the Life History of Echino- 
stomum secundum , Nicoll. (Plate XXIV.) . . . . 
Parsons, Allan C. FUaria volvulus, Leuckart, its Distribution, 
Structure and Pathological Effects ...... 
Fantham, H. B. The Schizogregarines: A Review and a New 
Classification . . . . . 
Tndex of Authors . . 
Index of Subjects .......... 
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