Note 182 — Chapter II
Reading edition
The trade-winds sometimes reach the thirtieth parallel. See Daniell's Meteorological Essays, p. 469. Dr. Traill (Physical Geography, Edin. 1838, p. 200), says, ‘they extend to about 30° on each side of the equator:’ but I believe they are rarely found so high; though Robertson is certainly wrong in supposing that they are peculiar to the tropics; History of America, book iv. in Robertson's Works, p. 781.