alter Kel e '51, s t e e t i g o GamfConUnutd from Paget, Column 5) chosen author and director of the WednesSophomore Big-4, according t o " " * ; ' ° F ' .... _. . Donald Ely, President, Keller has day, in the Milne Little Theater, announced the following memJohn Fay, '49, Program Chairman, | Z F A EleCtS O f f i c e r s ; announced" the following memJohn Fay, '49, Program cnairmar. KJ T P. , ...

V ITAMIN B12 per se or animal protein factor containing B12 concentrate has been shown to have growth-promoting activity for poultry (Johnson, 1949; Richardson et al., 1949) and swine (Catron and Culbertson, 1949; Catron and Wallace, 1949; Hogan and Anderson, 1949), and increased feed efficiency for these species. I t is well known that cow manure (Whitson et al., 1945; Rubin and Bird, 1946; Li...