| (a) | - | A gives authority to B to sell A's land, and to pay himself, out of the proceeds, the debts due to him from A. A cannot revoke this authority, nor can it be terminated by his insanity or death. |
| (b) | - | A consigns 1,000 bales of cotton to B, who has made advances to him on such cotton, and desires B to sell the cotton, and to repay himself out of the price the amount of his own advances. A cannot revoke this authority, nor is it terminated by his insanity or death. |