Several green dyes show a marked selective action for members of the typhoid-paratyphoid-colon group. This can be used for the enrichment of typhoid and paratyphoid bacilli present in feces. Forty dyes were tested with thirty strains covering all types of pathogenic bacteria. In general the dyes restrained the growth of the Gram-positive bacteria but had no effect on the growth of the Gram-negative group.
gross morbid changes. For several days before death, he had the facies of impending death. The poison was profound without being irritative. There was no associated delirium; there was none of the activity of meningeal irrita'Jon; there was not the reaction and collapse of hepatic or uremie toxemia. The forceful effects of asphyxia, noticed especially the day before death, puts the etiologic toxin in the class of potent chemicals.The kidney insufficiency probably helped to accumu¬ late the toxin, but, considered by itself, apparently played a minor rôle.The physical question of the small tumor acting as the starting point for intussusception is not uncom¬ mon.In the records of the McManes Laboratory of the University of Pennsylvania there are several similar cases. These are mostly secondary tumors, as carcinoma and one very interesting case of secondary hypernephroma. SUMMARY 1. The case illustrates a small adenoma of the jejunum as the starting point for an intussusception.2. This intussusception resulted in high obstruction of the intestine, with marked changes in the intestinal wall at this point.3. These intestinal changes produced a toxemia. 4. This toxemia was extremely potent, and ended in death.
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