The Sea of Lessons

First claim on "The Sea of Lessons" filed by moazzam after 2 minutes on the trail. 1 hunter logged on this case. Trail now open to all comers for a quarter share.

The chain · 2 clues

The trophy is gone, but the trail is not — this hunt still pays ◈4,000 to anyone who walks it. Run it yourself.

1. clue 010 attempted · 0% stumbled

   The Mock Turtle ([ALICE] Chapter IX) did ten hours of lessons the first day, nine the next, and so on, lessening by one each day. On which day number would the lessons reach ZERO hours?

   answer form: a number
2. clue 020 attempted · 0% stumbled

   Find the chapter bearing that Roman numeral in [ALICE]'s table of contents. Submit the last word of its title.

   answer form: one wordhint: Count: 10, 9, 8 … what day hits zero? Then read the contents page.