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Canine Piroplasmosis. VI. Studies on the Morphology and Life-History of the Parasite

Published online by Cambridge University Press:  15 May 2009

George H. F. Nuttall  and
G. S. Graham-Smith
George H. F. Nuttall
Affiliation:
Fellow of Christ's College, Quick Professor of Biology in the University of Cambridge
G. S. Graham-Smith
Affiliation:
University Lecturer in Hygiene, Cambridge.
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In the present paper we describe the results of further investigations on the life-history of Piroplasma canis in the blood of the dog. In our last paper (x. 1906) we described and figured the movements of the parasite and the mode of multiplication in the dog's blood, and since that time we have confirmed most of our previous observations, and added further facts. The technique of these examinations was fully explained in that paper (p. 604), and it is only necessary to state here that all our later observations on living blood have been made at a temperature of 35°—40°C. The drops of blood were mounted on clean glass slides and cover-glasses kept at this temperature, and were placed as rapidly as possible on the stage of a microscope kept at a similar temperature in a Nuttall's thermostat and examined under a oil immersion lens. In fact we have endeavoured to make our observations in such a manner that the blood should be altered as little as possible.

Type
Research Article
Information
Journal of Hygiene , Volume 7 , Issue 2 , April 1907 , pp. 232 - 272
Copyright
Copyright © Cambridge University Press 1907

References

page 232 note 1 Nuttall, G. H. F., and Graham-Smith, G. S. (x. 1906), Canine Piroplasmosis. V. Further studies on the structure and biology of the parasite. (Plates XI—XIII, Diagrams 1—23), Journ. of Hygiene, vol. vi. pp. 586—651. The bibliography is given in this paper.Google Scholar

page 235 note 1 The Diagrams in our previous paper were numbered 1—23, and, to avoid confusion, we have numbered the Diagrams accompanying this paper 24—37.

page 237 note 1 The numbers under the figures indicate the number of minutes which had elapsed after the preparation of the specimen.

page 244 note 1 We have on many occasions kept such intra-corpuscular forms under observation for hours.