Contents: Outline of the journey: difficulty of entering the Yemen -- Our scientific quest -- What we sought, and how our collections were made -- Previous exploration of the Yemen by naturalists -- Aden and Lahej -- Gateway to the highlands: Aden to Dhala -- Dhala, capital of the Amiri highlands -- Life on Jebel Jihaf -- Recesses and heights of Jebel Jihaf -- The upper Wadi Tiban and Jebel Harir -- The hot springs of Huweimi; Entry to the Yemen -- Taʻizz, chief city of the southern Yemen, and its Amir -- Through the central highlands to Sanʻa -- Many-towered San'a -- Treks in Sanʻa district: our farthest north -- Thre great festival: we meet the imam at last -- Last days in Sanʻa and exit via Hodeida -- The peoples of south-west Arabia, and beginnings of their history -- History before the coming of Islam -- Remains of the pre-Islamic civilization -- Since the coming of Islam -- Products and possibilities.
Notes: Account of the author's experiences with the British Museum (Natural History)--Expedition to South-west Arabia, 1937-1938.