THE MILLARDETIAN PERIOD 99 



regards its relation to the attacking pathogene is now 

 held by many plant pathologists. 



Sorauer's most noted contribution to phytopathology 

 in the way of publications are the three editions of his 

 text-book, Handbuch der Pflanzenkrankheiten. The 

 first edition, a single volume written in 1874 while he 

 was director of the Experiment Station for Plant Phys- 



PAUL SORAUER. 



The great German predispositionist. (From a photograph, courtesy of 

 Dr. Erwin F. Smith.) 



iology at the Imperial Cider Institute of Proskau 

 (Nature, 96 : 600), seems to have been his first contribu- 

 tion to the science (see footnote 2, page 57). The second 

 edition appeared in two volumes in 1886 while he was 

 still attached to the Pomological Institute at Proskau. 

 The first volume, dealing with non-parasitic maladies, 

 is twice the size of the second, dealing with the parasitic 



