84 Director's Rei»ort. 



No. 368. November. The false tarnished plant-bug as a pear pest. P. J. Parrott 

 and H. E. Hodgkiss. Pages 21, plates 8, figs. 11. Popular edition, pages 8, plates 3, 

 figs. 2. 



No. 369. December. The injurious effect of formaldehyde on potato tubers. 

 F. C. Stewart and W. 0. Gloyer. Pages 32, plates 2. Popular edition with No. 

 370, pages 10, fig. 1. 



No. 370. December. The efficiency of formaldehyde in the treatment of seed 

 potatoes for Rhizoctonia. W. 0. Gloyer. Pages 14, plate 1. Popular edition with 

 369, pages 10. fig. 1. 



No. 371. December. Report of analyses of commercial fertilizers collected by 

 the Commissioner of Agriculture during 1913. Pages 118. 



No. 372. December. Director's report for 1913. W. H. Jordan. Pages 26. 



Technical Bulletins. 



No. 27. March. A study of the udder flora of cows. H. A. Harding and J. K. 

 Wilson. Pages 38. 



No. 28. March. Zinc arsenite as an insecticide. W. J. Schoene. Pages 14. 



No. 29. March. An efficient electrical incubator. H. Joel Conn and H. A. 

 Harding. Pages 14, figs. 6. 



No. 30. July. The influence of temperature and moisture in fumigation. W. J. 

 Schoene. Pages 9. 



No. 31. September. The action of rennin on casein. Alfred W. Bosworth. 

 Pages 5. 



Circulars. 



No. 20. The pear pyslla. Jan. 22. P. J. Parrott and H. E. Hodgkiss. Pages 8, 

 plates 2, figs. 7. 



No. 21. The false tarnished plant-bug on pears. Feb. 10. P. J. Parrott and 

 H. E. Hodgkiss. Pages 4, plate 1, figs. 6. 



No. 22. The setting and dropping of fruits. U. P. Hedrick. Pages 12. 



No. 23. March 4. The control of plant lice on apple trees. H. E. Hodgkiss and 

 B. B. Fulton. Pages 7, plates 4, figs. 6. 



No. 24. March 20. U. P. Hedrick. Orchard management. Pages 12. 



No. 25. April 25. W. J. Schoene and B. B. Fulton. Apple insects. Pages 11, 

 plates 4, figs. 11. 



W. H. Jordan. 



New York Agricultural Experiment Station, 

 Geneva, N. Y., December 31, 1913. 



