This 1878 account of a scientific tour of Morocco and the Atlas mountains in 1871 was compiled from the journals of Sir Joseph Hooker (1817 1911) and his travelling companion, the geologist John Ball (1818 89). Their plan had been for Hooker to publish their findings soon after the journey, but his work as Director of Kew Gardens and President of the Royal Society, and Ball's frequent absences abroad, as well as his own writing commitments, caused delays. However, they argue that their information is unlikely to be out of date when, from a comparison with earlier accounts, 'no notable change...