EXERCISE LIX. BACILLUS PRODIGIOSUS (Ehrenb.) Fluegge. 
EXPLANATORY. This organism was first described by Ehrenberg (Erhandlunger der Berliner Akademie) in 1839 and named Mong 
prodigiosa. It is the oldest known chromogenic bacterium. It is commonly found in the air of Europe and has a very interestinghi, 
tory on account of its casual relation to bread epidemics—‘“‘bloody bread,” ‘bleeding host,” etc. It is questionable if it occurs Spontg 
neously in this country. Itis slightly pathogenic. Introduced intraperitoneally into guinea pigs in large quantities it produces deat, 
Inoculated into animals naturally immune to malignant oedema it renders them susceptible. Rabbits inoculated with anthrax are protecta 
by a subsequent inoculation with this organism. It is grown with the streptococcus of erysipelas to produce Coley’s Fluid for — 
of inoperable malignant tumors. a 
REFERENCES. Lafar, 137-138. : 
SKETCHES, 
cultures. 
Incubation 
temp. (°C.) 
MoRPHOLOGICAL CHARACTERS. 
Age of 
1, Form: 
@, Bouillon: sce vececc vere dichnes cbid nase Gawcarsiew bo Ad cia hd Eee weinte Miaqes seid GEN VERA TH A ami Re RIE wale wie Semana Tis Ra Sabie [95 ie anise eit 
ad, Other media 
BAS ZO ie da teray ee we 
3. Cell groupings... 
atid ‘ATrANGEMEN tS! ai.c se iciencises vigeRaswa) aie wis tide ay apie ailtiondis ais nye Sueisinws wiaiRia ouassie: Wlars Subeahd SG cals ate avetaye e/Rdia SadceraCoee dub, Qddgonc ese gagvecd| B56 fF inuiare | ean Goinisles | ESM RMON 
a, Aqueous gentian-violet.......... 0... cece ee cece eee ee eee eee eee 1 aiesanesalivd eaCSoaeione sls 9% late SERS GSS AERTS i ce ateactiret || tee sacellanese eee 
6;..Loeffier’s: meth ylens blues 2 sccsacw a ssecncraine sews damint tie Aacd 20 a6 aoa canadian oe Denaeeewaoas ubie sedans daapa cede Ren Bid Baud spent ees 
@: Grany’S Stain + wrceacaaw im peieg eaters $e jiica las Yel weoshateeatadiaa ye. gigas iene eMae us Se ewaw aarti maine: GR Gee ies dion ice’ cae mdall ela ator 
4, Flagella stain 
6. Spores:.. 
is Special Characters; SuGh AS .22..0dcnd id dee cseudeade 5 bea scedeesd ze gee, ae Sb sev drend nud ccrenngaren aya td lode attivhton sah agerdcanboad seajsopene cted dhe vanenstenbccrenewbil, des ucleedae and [reswinte edvaal ded aeaee 
deposits, VaCuolesy sires ay se iain weakaincarse.ag Wis winulins de Wakiwteninn Geen ata ae SaeemlO es Fu ieee ae Renamer aIY Baines Sa SinatiA ad em wind tunel] alae atecete Posse ass She 
pleomorphiciand:involution forms, capsules, tevicsciics scl clsjegie oldnriua te ag snes da done im aatens endaules yx av apace nenad waaeayed | Ay oi gaeall aeew ooze: 
PHYSIOLOGICAL CHARACTERS. 
i ‘Relationto temperature r:iictesnnarsraicanastiy se ks einen shad whadaw te aeremaaaniNamoaie maine aMaet, wLentie sk meine AUS Hage AR mtidatea Bans OA Mae Soaaeenie a ae aoe hme teas diate Ce 
a: Relation to:free: Ox ye etl os ned seats cova ine sracate tatters sa aus BE ay Relays Sh SUR Wo NE BERG prsnsltA e Ae wieisicna 4-4 eayeidd. doa sesdsorepany gearelign be wyend bobs AG MAMebea Sa echo alma RM aaeaea Mamaia 
3. Relation to other agents, such aS......... 0... cee cece eee eee eee eee een 8 Seid ienaaara ivggte seajesSele Denspupn end -Take ha ahaa. saliia tages Vee wae sncdajeritiptavar Wie Wed aahoteumbdann Sok -ave eS tara ats eat eee ete 
desiccation, light, disinfectants, etc.:.......... 2... 5. eolecus aicenee Scclan ssa Renanarn east ne ase en aah yaalelove haan eecatpesiae 
4. Pigment production: 
5. Gas production in glucose media: 
@: Shake Cultures ov xsi: as vheee- se se tees east agi ge os ye Shui Ad eee ee RIRe BERR G Rete ROE SEE i doar isda tengiauele en aie Syste Sia adhe toje teas aR yada zamemeEee ET 
6, Fermentation tube, growth in: (1) opemarm:............ 0. cece eee ee eee waisisenegitney (2) closed arm: ..... 
(3) rate of development: 24 hours ............... percent., 48 hours ......... per cent., 72 hours ............. percent., .... .. hours 
(4) reaction in open armi..... 2... ee eee cee eee cet eee ener sees eeee (5) gas formula: H:COg:: 
6. Acid or alkali production, litmus milk. .... 0... 6c. cece cece eee ee eee ene EEE ERLE RE en Ene EE EE Ooo cE ed Ee EE EEE Ebb bed bbb bebe cece cece cece cued 4 
7. Reduction of nitrates; to nitrites eat ncansde tI rats a foe ee be 
8. Indo] production; 24 hours ........ 62. .c cece cece ce eee ‘ 
fecal Sders 24, WOUTS soa pacus so be ccuswuwns coronene vane 
g. Enzyme production : proteolytic ..... 
ar PathO@emesis: << 9-22rq i iesaus id me geeteeceaatees selseeg! Easinre mime it me seaRepietes 1a ie ne cnubdeudeh yee eae cocks 
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