1. (1) BROWN, H. D. and PRICE, C. V.: Effect of irrigation, degree of maturity and shading upon the yield and degree of cracking of tomatoes. Proc. Amer. Soc. Hort Sci. 37, 1934.
2. (2) FRAZIER, W. A.: A study of some factors associated with the occurence of cracks in the tomato fruit. Proc. Amer. Soc. Hort. Sci. 32, 1934.