177 



Genus : Chromo"bacterium 



Chromobacter 1 um v I olaceum (Schroeter) Bergonzini 

 Insect concerned: The roach, Per ip lane ta orientalis . 



Longfellow (1913) was ahle to cultivate Bacillus vio - 

 laceus phromohacterium violaceum ^] from the feces of the 

 common house roach. 



Longfellow, R. C. 1913 The common house roach as a 

 carrier of disease. Am. J. Public Health, 3, 58'- 6l. 



