8PON1 \TION. 583 



on, wlii'. 10 flasks opened mi tin- M 



' .ped. ( Mir own - 111 at tin- P..-I All 



m.'iv empliat! of tin- same ki: ,t. of 



tin- lli ed in tli iii^ smi' 



"ii tin- untain ledge wa.s 



: as regards putrefactive infection is 

 incessantly rliaii^in^ through natural causes, and \\ 

 able to a! opened in 



: lution. r 



cent, itteii. while .-nt. escaped. In 1877 



it ion in tlu- same laboratory 



smittrii. to :;> intact. mortality, BO to s|-ak, 



of the infusions in Is77 was dm- to tin- pivscnci' of liay 

 \\liirh (iilTn-cd its ^rnniiial dust in tin- laboratory air, 



approximate as iv-ards iufrti\e virul 

 ur of the Alpine loft. I would ask my friend to 

 hriiiL,' his scientific peii-t rai ion to hear upon all the 



in^ facts. They do not prove spontaneous genera- 

 tion to be "impost;!!' .My assertions, ho\s 



not to "possibilities," but to proof*, and tl 

 periments ju- do most distinctly prove the 



:icc on which the hcterogenist relies to be writ: 



My c<lleague will not, I am persuaded, dispute these 



-; hut he may he di>posed to urge that other able 



and honorable im-n working at the same subject have 



: from nine. M'-st freely 

 ^rafited : but 1 t m,- here recur to the remarks a! 



\\\\ of the exp ^pallan/.ani. to 



iTect that tl'ie failure of others to eontirm his results 

 by no means upsets their \ the ideas, let 



us siipp. igue comes to the lab 



the 1; titntfoii, repeats there my expciiment.s, and 



obtains* conlirmat<n-y n-sults; and that he then goes to 

 University or King's College where, operating with tin 

 ., lie obtains con; y results. Will he 



be d. to conclude that the selfsame si, 



in Alb.-marlc stivet and fruitful in < mwer street or 



. 



n to him the literally inliii eiices e\ 



between different san , lir as reg.i 



for putrefactive infection. And, possessing this knowl- 



