Rush x Bollwiller 18 81 143 21 4 Bush x Kentish Cob (Du Chilly) 12 38 117 36 3 Rush x White Aveline 9 44 73 42 0 Rush x Barcelona 6 94 147 26 8 Rush x Imperial de Trebizond 5 81 100 28 10 Rush x Italian Red 3 79 80 15 3 Rush x Red Lambert 3 88 116 7 3 Rush x Daviana 2 82 110 33 26 Rush x Purple Maxima 1 37 37 17 17 TABLE 3. Yields and winter injury of filbert catkins, Orchard 16, 1937-41 inclusive. Mean Highest Mean Lowest Yield Yield Percent- Percent- per Se- per Se- age Cat- age of No. of lection lection kins Catkins Selec- in in Winter- Winter- Cross tions Ounces Ounces killed killed per Se- lection Rush x Kentish Cob (Du Chilly) 26 38 102 68 5 Rush x Barcelona 14 52 89 90 38 Rush x Red Lambert 5 67 117 12 5 Barcelona x Italian Red 3 18 20 83 73 TABLE 4. Filbert selections. Orchard 22. Yields 1939, 1940, 1941, 1942, 1944, 1945 and 1946. Catkin injury records 1939-42, inclusive. Mean Highest Mean Lowest Yield Yield Percent- Percent- per Se- per Se- age Cat- age of No. of lection lection kins Catkins Selec- in in Winter- Winter- Cross tions Ounces Ounces killed killed per Se- lection