Louisiana, Texas, Gulf Coast, Great Lakes, and the Mississippi. John Senex (1678-1740) A Map of Louisiana and of the River Mississippi . [London, undated, c. 1721]. Large double-paged engraved map on laid paper, dedicated to William Law, hand-colored, lightly evenly toned, the cartouche uncolored, 22 3/4 x 19 1/4 in. Senex's map follows De l'Isle's 1718 version of the same region, with very good details that include information about local Native Americans ("Wandering Indians and Man-eaters"), routes of the explorers, existing trails, forts, settlements, Native villages and encampments, inlets and ports, rivers and their many tributaries.