436 F. M. Rolfs 



Lewis, I. M. 



1912 A bacterial canker of plum twigs. Amer. Micros. Soc. 



Trans. 31 : 145-149. 



Park, W. H. 



1905 Pathogenic micro-ofganisms, including bacteria and protozoa, 

 p. 146. 



Pierce, N. B. 



1S94 A disease of almond trees. Journ. myc. 7:66-77, pis. 11-14. 



Rorer, J. B. 



1909 A bacterial disease of the peach. Mycologia i : 23-27. 



Smith, E. F.. 



1903 Observations on a hitherto unreported bacterial disease, the 

 cause of which enters the plant through ordinary stomata. 

 Science n. s. 17:456-457. 



1905 a Bacterial infection by way of the stomata in black spot of 

 the plum. Science n. s. 21 : 502. 



1905 b Bacteria in relation to plant diseases i : 1-285. 



1908 Occurrence of Bacterium Pruni on peach leaves. Paper read 

 before the Society of American Bacteriologists at the Balti- 

 more meeting in the winter of 1907-1908. 



191 1 Bacteria in relation to plant diseases 2:57-67, figs. 12-13, 

 pis. 3-4. 



Stewart, V. B. 



1913 The fire blight disease in nursery stock. Cornell Univ. Agr. 



Exp. Sta. Bui. 329:339-342. 



Waite, M. B. 



1898 Life history and characteristics of the pear blight germ. Amer. 

 Assoc. Adv. Sci. Proc. 47:427-428. 



Submitted for publication March 1, 1915. 



