The Use of Ships 203 which your city has the most direct communication, or take any of the great sea or lake ports of the country. Study the map and note the meaning of each of its symbols. Carry out a class exercise based on the map, appointing a committee to plan the exercise. If you live near a port, visit the harbor and take notes concerning the kinds of vessels lying there. Visit the docks and note the cargoes that are being discharged and loaded. Ask the captain or other officer of one of the vessels about his ship and its cargo; take notes on the following points: (a) Name of vessel. (h) Why such a cargo is wanted in (b) Type of vessel. this port. (¢) Home port. (1) Where the cargo is now to go. (d) Length of voyage. . What cargo is to be taken on. (e) Cargo discharging. fr; Where this new cargo comes from. (f) Origin of cargo. «\) Where the vessel is to take it. (9) Why such acargowas avail- (m) Why such a cargo is needed at able there. that port. (n) How long the voyage is likely to be. 3. Ships from foreign ports cannot slip in and out of the harbor at will. Certain regulations are enforced for the protection of the country to which the harbor belongs or in its interest. Let individuals or sections of the class make brief reports on the following topics: a) Quarantine regulations. (b) Immigrant inspection. (c) The Public Health and Marine Hospital Service. ‘" The work of the Collector of the Port. e The harbor. f; Clearance papers, and why a ship’s captain must obtain them before sailing. C. A voyage on a tramp steamer. Ll. From the ten trips on the tramp steamer described on page 190, select the one which you would prefer to take and prepare to discuss it before the class according to the following plan : (a) What cargo was taken on at the port of departure. (b) Why such a cargo was available at that port. (¢) The names and locations of the oceans, seas, gulfs, straits, and canals passed through during the trip. (d) Why this cargo was needed at the port of arrival. Plan to take the tramp steamer Bristol City on a two-trip voyage. De- cide the ports of departure, the cargoes, routes, ports of arrival, and dates. Bring your plan to the class and let the members discuss it to see if it is reasonable in all respects. Who wants to organize a steamship company? Let several members of the class form a committee to organize a steamship company for trade with South America. The home port, the foreign port, and the ports of call must be selected carefully to insure success. In the report to the 2