Journal of bacteriology . tive. Aerogenes-cloacae group. SOME LACTOSE FERMENTING BACTERIA 621 I. Non-motile; gelatin rarely liquefied; indol, dulcitol and inulin negativeor positive; sucrose, raffinose, mannitol, glycerol, salicin, dextrin, andstarch positive. 7. B. aerogenes. II. Motile; gelatin liquefied (often very slowly); indol, dulcitol, glycerol,inulin and starch usually negative (rarely positive); dextrin occasion-ally positive; sucrose, raflfinose, salicin, and mannitol positive (rarelynegative). 8. B. cloacae. A NEW ICE SAMPLER MYRTLE GREENFIELDWater and Sewage Laboratory, State Boar
Journal of bacteriology . tive. Aerogenes-cloacae group. SOME LACTOSE FERMENTING BACTERIA 621 I. Non-motile; gelatin rarely liquefied; indol, dulcitol and inulin negativeor positive; sucrose, raffinose, mannitol, glycerol, salicin, dextrin, andstarch positive. 7. B. aerogenes. II. Motile; gelatin liquefied (often very slowly); indol, dulcitol, glycerol,inulin and starch usually negative (rarely positive); dextrin occasion-ally positive; sucrose, raflfinose, salicin, and mannitol positive (rarelynegative). 8. B. cloacae. A NEW ICE SAMPLER MYRTLE GREENFIELDWater and Sewage Laboratory, State Board of Health, Lawrence, Kansas Received for publication, August 7, 1916 There is much apparent dissatisfaction with the ordinarymethods of sampUng ice. This laboratory is now using an icesampler based on the principle of a coal sampler. A brasscyhnder, with the dimensions given in the diagram, has teethcut in the lower end. These teeth are given a set. The appa-ratus fits into a carpenters brace, which makes it possible to. bore through a cake of ice with ease. The sample is not a solidcore but consists of small chips of ice which are easily pushedout by means of a movable plug on the inside of the brasscylinder. It is necessary to flame the tube a little before thesample will slip out easily. With this apparatus, it is possibleto get a representative sample of ice without contamination. 623 APPARENT RECOVERY OF A HEN INFECTED WITHBACILLARY WHITE DIARRHEA As Determined by the Macroscopic Agglutination Test GEORGE D. HORTON Department of Bacteriology, Missouri State Poultry Experiment Station * Received for publication, September 18, 1916 The following note deals with the case of a Bantam hen whichat one time (1914), gave a positive agglutination test and at alater date (1916) gave a negative reaction. The method of testing was essentially that devised by polyvalent test fluid with proper controls was used. The Bantam was one of a flock of several hundred birds ofwhich ap
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