The nature of the work to be done by the agent is the basis of a further classification. The most important agents to be mentioned in this connection are brokers, factors, auctioneers, officers of ships, attorneys, and particular officers of corporations.

2 Butler vs. Maples, 9 Wall., 766. Distinguishing general and special agents.

3 Lobdell vs. Baker, 1 Metc. (Mass.), 193; Wood vs. McCain, 7 Ala., 800.