David Livingstone,
A Popular Account of Dr Livingstone's Expedition to the Zambesi and its Tributaries…
(1894)
“ The Shire marshes support prodigious numbers of many kinds of water-fowl. An hour at the mast-head unfolds novel views of life in an African marsh. Near the edge, and on the branches of some favourite tree, rest scores of plotuses and cormorants, which stretch their snake-like necks, and in mute amazement turn one eye and then another towards the approaching monster. ”
