76 MASS. EXPERIMENT STATION BULLETIN 417 



488 Crab Meal in Poultry Rations. II. Chick and Broiler Rations. By Ray- 

 mond T. Parkhurst, Marie S. Gutowska, Joseph A. Lubitz and Carl R. 

 Fellers. Poultry Sci. 23 (l):58-64. January 1944. 



489 Light Has No Effect on Commercially Glass Packed Foods. By J. J. 

 Powers, W. B. Esselen, Jr., and F. P. Griffiths. The Glass Packer 22 (8):- 

 528-530, 554. August 1943. 



490 Creosote Injurious to Plants. By Linus H. Jones. Horticulture 21 (22): 

 462-463. December 1943. 



491 Zinc in Cows' Milk. By J. G. Archibald. Jour. Dairy Sci. 27 (4):257-261. 

 April 1944. 



492 Riboflavin Content of Immature Massachusetts Lettuce. By Arthur D. 

 Holmes. Food Res. 9 (2):121-125. March-April 1944. 



493 Crab Meal in Poultry Rations. III. Laying and Breeding Rations. By 

 Raymond T. Parkhurst, Marie S. Gutowska and Carl k. Fellers. Poultry 

 Sci. 23 (2) :1 18-125. March 1944. 



494 Range Utilization by Growing Chickens. By John H. Vondell. U. S. 

 Egg and Poultry Mag. 49:464-466. October 1943. 



495 The Vitamin A Content of Sheep's Colostrum and Milk. By G. Howard 

 Satterfield, R. E. Clegg, and Arthur D. Holmes. Food Res. 9 (3):206-211. 

 May-June 1944. 



496 A second Note on the Propagation of Beach Plum b\' Softwood Cuttings. 

 By W. L. Doran and J. S. Bailey. Amer. Nurseryman 78 (8) :7-8. October 

 1943. 



498 Chondrodystrophy in Rhode Island Reds. By F. A. Hays. Amer. Nat. 

 78:54-58. January-February 1944. 



499 How to Make Dormant Cuttings. By W. L. Doran. The Flower Grower 

 31 (1):18-19, 49. January 1944. 



500 Ascorbic Acid, Riboflavin, and Thiamine Content of Cow's Milk: Influence 

 of the Ration. By Arthur D. Holmes, Carleton P. Jones, and Anne W. 

 Wertz. Amer. Jour. Dis. Children 67:376-381. May 1944. 



5C2 Some Results in Correcting Magnesium Deficiency in Apple Orchards. By 

 Lawrence Southwick and J. K. Shaw. Amer. Soc. Hort. Sci. Proc. 44:8-14. 

 May 1944. 



503 Further Results with Sprays and Dusts in Controlling the Preharvest Drop 

 of Apples. By Lawrence Southwick. Amer. Soc. Hort. Sci. Proc. 44:109- 

 110. May 1944. 



504 Certain Scion Incompatibilities and Uncongenialities in the Apple. By 

 J. K. Shaw and Lawrence Southwick. Amer. Soc. Hort. Sci. Proc. 44:239- 

 246. May 1944. 



505 The Influence of Venting on Pressure Cooker Performance. By William 

 B. Esselen, Jr. Jour. Home Econ. 36 (3):143-146. March 1944. 



506 A Comparison of Manures Applied to Cultivated Blueberries. By John S. 

 Bailey. Amer. Soc. Hort. Sci. Proc. 44:299-300. May 1944. 



512 Chlorine-Ammonia Treatment of the Water Supply of Amherst, Mass- 

 achusetts. By James E. Fuller. New England Waterworks Assoc. Jour. 

 58 (2):89:100. June 1944. 



UNNUMBERED CONTRIBUTIONS 



"Green Gold." By J. G. Archibald. New England Homestead, April 8, 1944. 

 Soil Treated with Formaldehyde after Seeding to Control Damping-off. By 



William L. Doran. Agr. News Letter of E. I. du Pont de Nemours and Co. 



11:3:47-49. 1943. 



