Multimedia Gallery
- Topic: Navigating At Sea
Lines of latitude are imaginary lines circling the globe parallel to the equator. The lines are designated in degrees north or south of the equator, from 0° at the equator to 90° at the poles.
In 1837, Captain Thomas Sumner of Boston devised what would become "line of position" sailing.
Lizards, South America (Teius teguixin, Brachylophus fasciatus, Hoplodactylus pomarii)
Lines of longitude are imaginary lines circling the globe through poles. Also called meridians, they are designated in degrees east of west of a starting reference line from 0° at the prime meridian to 180° on the opposite side of the globe.
This act authorized prizes—up to £20,000—for solving the longitude problem.
Lyre crab, Northwest coast (Maoidea, Hyas Lyratus, Chorilla Longpipes)
Map of Geographical Distribution of Plants and Animals for the U.S. Exploring Expedition
Map produced by the U.S. Exploring Expedition.
