Valeriemaya seagriefii; Delesseriaceae

Valeriemaya seagriefii O.De Clerck, M.J.Wynne, & H.Stegenga

An account of geographical and astronomical expedition to the northern parts of Russia, for ascertaining the degrees of latitude and longitude of the mouth of the river Kovima; of the whole coast of the Tshutski, to East Cape; and of the islands in the eastern ocean, stretching to the American coast: performed ... by Commodore Joseph Billings, in the years 1785, &c. to 1794: the whole narrated from the original papers,

Mode of access: Internet.

Missionary travels and researches in South Africa: including a sketch of sixteen years' residence in the interior of Africa, and a journey from the cape of Good Hope to Loanda on the West Coast; thence across the continent, down the river Zambesu, to the Eastern Ocean.

Published also, the same year, with title: Livingstone's travels and researches in South Africa.