. Animal parasites and human disease. Insects as carriers of disease; Medical parasitology. B Fig. 66. Egyptian snails which serve as intermediate hosts for blood flukes; A, Bullinus contortus, an intermediate host for Schistosoma hcematohium; B, Planorbis boissyi, an intermediate host for Schistosoma inansoni. (After Leiper.) infected with blood flukes in South Africa during the Boer war, 359 were still on the sick list in 1914 exclusive of those perma- nently pensioned. The cost to the British government for per- manent and " conditional " pensions for these soldiers amounted to ne
. Animal parasites and human disease. Insects as carriers of disease; Medical parasitology. B Fig. 66. Egyptian snails which serve as intermediate hosts for blood flukes; A, Bullinus contortus, an intermediate host for Schistosoma hcematohium; B, Planorbis boissyi, an intermediate host for Schistosoma inansoni. (After Leiper.) infected with blood flukes in South Africa during the Boer war, 359 were still on the sick list in 1914 exclusive of those perma- nently pensioned. The cost to the British government for per- manent and " conditional " pensions for these soldiers amounted to nearly S54,000 a year. The life history of Schistosoma hoematobiurn has only recently been worked out by Leiper, of the British Army Medical Corps, in Egypt. It was long known that a ciliated embryo or mira- cidium developed inside the egg shells, even before they left the body of the host, and that these embryos hatched out and swam about when the eggs were immersed in water, but beyond this point the life history could only be conjectured from analogy with the liver fluke. Leiper, who had already made some investi- gations in regard to the life history of S. japonicum in China,. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Chandler, Asa Crawford, 1891-1958. New York J. Wiley [etc. ]
Size: 1488px × 1680px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectmedical, bookyear1918
