PUBLICATIONS, ETC. 231 



Chauveau regarding the Nature of vaccine 

 Virus. 



Letter addressed to M. Dumas, regarding 



precocious Cultures of silk-worm eggs of 

 native Stock resulting from selective 

 Breeding. 



Letter to M. Dumas on the Subject of the 



Disease of Silk-worms. 



Second Letter to M. Dumas. Precocious 



Cultures of Eggs of native Stock resulting 

 from selective Breeding. 



Note on the silk-worm Disease popularly 



designated by the Name of morts blancs 

 or morts flats. 



Report by M. Pasteur regarding his Com- 



mission in 1868 in Relation to the silk- 

 worm Disease. 



Regarding a Method of determining, through 



early Experiments on silk-worm Eggs, 

 which of them are predisposed to the Dis- 

 ease of morts flats. 



1869 Letter addressed to Marechal Vaillant, on 

 the good Effect of cellular Selection in the 

 Culture of silk-worm Eggs. 



Letter to M. Dumas, apropos of a letter 



from M. Cornalia on the proposed Method 

 of regenerating the Breeds of Silk-worms. 



Result of Observations made upon the Dis- 



