. Annals of tropical medicine and parasitology. Parasites. 42 1 Table IV.—continued—Pathogenicity of the Parasite from Horse B in Laboratory Animals No. oi ( Experiment Da) on which Animal from parasites first | Day on which which inoculated found in blood j death occurred Remark; Rats. Mice •554 1562 A Mouse (Sir J. Mc.) Mouse 1554 5* 6th 10th 14th 1562 B • 1 5th 14th '5'4 Mouse 1 562 A 5 th 18th 1619 A Goat 1587 ith Alive on nth dai 1619B •' 5th - •• in the blood of infected guinea-pigs. A pup inoculated from one of the goats showed only short (109 ft to 187 ft) non-flagellated forms. Only s
. Annals of tropical medicine and parasitology. Parasites. 42 1 Table IV.—continued—Pathogenicity of the Parasite from Horse B in Laboratory Animals No. oi ( Experiment Da) on which Animal from parasites first | Day on which which inoculated found in blood j death occurred Remark; Rats. Mice •554 1562 A Mouse (Sir J. Mc.) Mouse 1554 5* 6th 10th 14th 1562 B • 1 5th 14th '5'4 Mouse 1 562 A 5 th 18th 1619 A Goat 1587 ith Alive on nth dai 1619B •' 5th - •• in the blood of infected guinea-pigs. A pup inoculated from one of the goats showed only short (109 ft to 187 ft) non-flagellated forms. Only short (Q'6 ft to 18 ft) non-flagellated trypanosomes were found in the blood of a rat and two mice sub-inoculated from one of the rabbits. A detailed account of the measurements of the trypanosomes in various animals experimentally infected is given in Table V. It will be seen from this table that the parasite varies -hologically in different animals, and sometimes even in the same animal on different days of the infection, in a most remarkable manner. Trypanosoma from Horse B. The trypanosomes found in the blood of mice infected with (his strain were short (iO'4 ft to [8 ft non-flagellated, and were similar in appearance to those occurring in the blood of mice infected with Horse .1 strain. Dogs sub-inoculated from the mice contained trypanosomes varying in length from 10 ft to \Q ft, and in rabbits inoculated from the same source the trypanosomes varied from 9'5 ft to 15*2 ft. In the blood of goats inoculated from the mice the trypanosomes measured from 109// to 18 ft. Table VI shows the measurement oi the trypanosome in animals infected with this 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 Liverpool School of Tropical Medicine. Liverpool University Press [etc. ]
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