. The Journal of hygiene . the UnitedStates. Dept. of Agricult, \~th Annual Report of the Bureau of AnimalIndustry for 1900, pp. 380—491. (A wealth of illustration, bibliography, etc.) Postscript. Whilst this paper was in the press I had an opportunity of consulting a furtherpublication by Wilson and Chowning (2. i. 1904. Studies in Pp-oplasmosishominis [Spotted Fever or Tick Fever of the Rocky Movmtains]. Journ. ofInfectious Diseases, vol. i., No. 1, pp. 31—57. Map, Charts, 2 Plates). The colouredPlate shovjB parasites stained by modifications of the Romanowsky method and thefigures are

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. The Journal of hygiene . the UnitedStates. Dept. of Agricult, \~th Annual Report of the Bureau of AnimalIndustry for 1900, pp. 380—491. (A wealth of illustration, bibliography, etc.) Postscript. Whilst this paper was in the press I had an opportunity of consulting a furtherpublication by Wilson and Chowning (2. i. 1904. Studies in Pp-oplasmosishominis [Spotted Fever or Tick Fever of the Rocky Movmtains]. Journ. ofInfectious Diseases, vol. i., No. 1, pp. 31—57. Map, Charts, 2 Plates). The colouredPlate shovjB parasites stained by modifications of the Romanowsky method and thefigures are much more convincing than those which appeared in the earlier paperby these authors, cited by me on p. 221. We may therefore accept the name{Piroplasma hominis) which they give to the parasite. Wilson and Chowning (p. 52) cite H. P. Johnson {Proc. Am. Veter. Med. ) as having observed Piroplasma ovis in sheep sufieriug from pyroplasmaticictero-haematuria in Deer Lodge Valley, Montana, U. S. A. 6 S ^ ^?^ ^ e. I—I ^ 00 Si I: q I o .2 I ++ 0 ss s ?0 2 ?iii Mil tJ :: 1: ±Sl-l; 9a 1 1 ipH 5 5> -^^ § o s 1) ^ ??*•*-* —I. ^ 5^

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