218 couN’s ‘‘BEITRAGE ZUR BIOLOGIE DER PFLANZEN.” 
an infusion of hay ipa ‘after Roberts’ method, comparison 
Bacterium Termo, Micrococcus, Ascococcus, Sarcina-like masses, Torul 
rosary-chains, Bacillus, Laptetvi and yeast-cells, the liquid becoming 
turbid and opaque, and strongly acid. After a time on the surface of 
the infusion occurred x eige the mycelium of which penetrates 
the zooglea crust formed in this The organic product of 13 out o 
24 experiments with infusions “Choth acid and neutral) heated to 
100° C is the next object of even ae These cooked liquids show only 
slight turbidity, and if a portion of their superficial flu fluid is examined 
ers 
of spores. In oe eer a row of s ronal cpaaneg sm 
bodies appears in the before- homogeneous of the 
n cooked fiuids Bastabionk Termo does not mo nor, at 
a far as is known, does any other kale with exception of 
act 
. The occurrence of Bacillus in the infusions is to be ascribed to 
the fast that it is the spores which are capable of resisting high tem- — 
peratures. ‘hese spores gain access to the infusion by adhering to 
the hay-haulm, to which they have grec opportunity of —_ 
of 
47°-50° C, while the rest of the Schizophytes present in the hay-solu- 
tion are alread y rendered incapable of development by this tempera- 
4. All multiplication and eon Sa of Bacillus ceases by expo- 
sure to a seen ess 0° and 55° C., but the spores under 
stance pay capacity for germination during @ 
least scveuanen hours eee ‘the death of the Bacillus.* 
5. Single Bact St may retain their “eapasity for penises 
— n ange ae a temperature of 70°-80° C. during three o 
The pee is followed up by Dr. Koch (Die Aitiologie der Muls- 
‘halons Krankheit, begrundet auf die shtiricgaags gesohichte des Bacillus 
_ * Compare with this the 
Phys ‘ok sone Veqtiale, er fom ma 
