2i6 Bulletin 236. 



Ithaca who placed his entire orchard at the writer's disposal for observa- 

 tion and experiment. To Mr. V. W. Burt and Mr. Henry Peck of Schuy- 

 lerville, Mr. H. K. Prosser of Kirkville and Dr. A. R. Amidon of Chau- 

 mont he is also indebted for numerous courtesies. 



To Professor G. F. Atkinson thanks are due for critical reading of 

 the entire bulletin and to Mr. W. E. King and Dr. G. F. White of the bac- 

 teriological department for suggestions and assistance in connection with 

 the study of the cultural characters of the organism. 



16. Bibliography. 



Only those articles to which special reference is made in the text or 



which have direct references to the "canker form" of the blight are here 



listed. They have been arranged alphabetically by authors and numbered. 



These numbers are used in the text to refer to this bibliographical list: 



I. Arthur, J. C. History and Biology of Pear Blight. Proc. Phila. Acad. Nat. 

 Sci., 322-341, PI. III. 1886. 

 Beckwith, M. H. Blight affecting the body of Pear and Apple Trees. Del. 

 Sta. Rept., 158-9. 1895. 



3. Bryant, A. Report on General Horticulture, 2d district. Trans. 111. Sta. 



Hort. Soc, 60. 1880. 



4. Burrill, T. J. Pear and Apple Tree Blight. Trans. 111. State Hort. Soc, 



157-167. 1880. 

 -. Topics from the Query Box " Sun Scald." Trans. 111. State Hort. 



Soc. 157. 1881. 



- The Effect of Frost on the Trunks of Apple Trees. Trans. 111. Hort. 

 Soc, 220-225. 1883. 



- Trunks of Apple Trees. Trans. Wis. Sta. Hort. Soc, 216. 1885 



- and Blair, J. C, Bitter Rot of Apples. 111. State Exp. Sta. Bull. No. 77 ; 



5 

 6 



7 

 8 



335-366, pi. 6. 1902. 

 9. Chester, F. D., Notes on Pear Blight. Del. Rept., 12, 38-46. igco. 

 10. Cordky, A. B. Some Observations on Apple Tree Anthracnose. Bot. Gaz., 



30, 48-58. 19CO. 

 ir. Denning, Wm. On the Decay of Apple Trees. Trans. Soc. for Promotion 



of Agr., etc., pt. 2, 219-222. 1794. 



12. Hasselbring, H. Canker of Apple Trees. 111. Exp. Sta. Bull. No. 70, 225-239, 



pi. 4. 1902. 



13. Jones, L. R. Studies upon Plum Blight. Centralb. fiir Bactcriologie, Parasitcn- 



kunde u. Insektionkrankheitcn. 9, No. 22-23, D<^c. 15, 1902, pp. 835-841. 



14. Lawrence, W. H. Black Spot Canker. Wash. State Exp. Sta. Bull. No. 66, 



1-35. pi. 13. 1904. 



15. Paddock, Wm. The European Canker. N. Y. (Geneva) .A.gr. Exp. Sta., 



Bull. No. 185, 212-213. 1900. 



Quotation from Paddock, Wm., European Apple Tree Canker in .Amer- 

 ica. Sci. 12, 297-299. 



16. The New York .A,pple Tree Canker. N. Y. (Geneva) Exp. Sta. Bull. 



No. 163, 179-206, pi. 6. 1899. 



17. The New York Apple Tree Canker (Second Report). N. Y. (Geneva) 



Exp. Sta., Bull. No. 185, 205-212, pi. 4. 1900. 



