| (a) | - | A directs B, his solicitor, to sell his estate by auction , and to employ an auctioneer for the purpose. B names C, an auctioneer, to conduct the sale. C is not a sub-agent, but is A's agent for the conduct of the sale. |
| (b) | - | A authorises B, a merchant in Calcutta, to recover the moneys due to A from C & Co. B instructs D, a solicitor, to take legal proceedings against C & Co. for the recovery of the money. D is not a sub-agent, but is a solicitor for A. |