This Court has consistently held that the mere fact that no Negro was appointed on the jury commission is not sufficient to show discrimination. For racial discrimination in the selection of the commissioners to be established, it must be shown that such discrimination invaded into the work of the commissioners in the selection of the lists from which the grand jurors are chosen. Lamkin v. State, 165 Tex.Crim. R., 301 S.W.2d 922, cert. denied, 355 U.S. 59, 78 S.Ct. 137, 2 L.Ed.2d 107, rehearing denied, 355 U.S. 908, 78 S.Ct. 335, 2 L.Ed.2d 263; McMurrin v. State, 156 Tex.Crim. R., 239 S.W.2d 632, cert. denied, 342 U.S. 874, 72 S.Ct. 115, 96 L.Ed. 657; Morris v. State, 158 Tex.Crim. R., 251 S.W.2d 731, cert. denied, 345 U.S. 951, 73 S.Ct. 863, 97 L.Ed. 1374; Williams v. State, 167 Tex.Crim. 503, 321 S.W.2d 72, cert. denied, 359 U.S. 930, 79 S.Ct. 615, 3 L.Ed.2d 632; McNair v. State, 159 Tex.Crim. R., 265 S.W.2d 105; Addison v. State, 160 Tex.Crim. R., 271 S.W.2d 947; Oliver v. State, 155 Tex.Crim. R., 236 S.W.2d 143. The first ground of error is overruled.