[962] 237 U.S. 52 (1915).

[963] Ibid. 61.

[964] 258 U.S. 50, 61 (1922).

[965] 258 U.S. 50 (1922); 66 L. Ed. 458, Hd. 2.

[966] See pp. [193-195].

[967] 291 U.S. 502 (1934); followed in Hegeman Farms Corp. v. Baldwin, 293 U.S. 163 (1934).

[968] 294 U.S. 511 (1935).

[969] Milk Control Bd. v. Eisenberg Farm Products, 306 U.S. 346 (1939).

[970] Ibid. 352.

[971] Hood v. Du Mond, 336 U.S. 525, 535 (1949).