land false sighting in Pacific March 14 1769
Lemon juice antiscorbutic April 1 1769, April 11 1769
letters sent by Banks and Cook from Rio December 2 1768
lightning chain raised December 13 1768
livestock on board November 26 1768
longboat recovered at Rio November 20 1768, sunk at Rio November 19 1768
lunar rainbow observed October 16 1768