Thoreau finishes his second term of his senior year. He earns 650 points to give him a cumulative total of 12,112 and ranking him twenty-third in his class of forty-four students. He also starts his final term at Harvard with the following classes:
- Intellectual Philosophy taught by Francis Bowen; reading A treatise on political economy by Jean Baptiste Say and Commentaries on the constitution of the United States by Joseph Story
- Natural History taught by Thaddeus William Harris; reading The philosophy of natural history by William Smellie
- English with bi-weekly themes and monthly forensics taught by Edward T. Channing
- German taught by Hermann Bokum
- Spanish taught by Francis Sales
- Lectures on German and Northern Literature with Henry Wadsworth Longfellow
- Lectures on Mineralogy with John White Webster
- Lectures on Anatomy with John C. Warren
- Lectures on Natural History (Zoology and Botany) with Thaddeus William Harris