During our passage to the equator, sterna solida and Dysporus Sula alighted frequently on our vessel, and allowed themselves to be taken.
"A New Voyage Round the World, in the years 1823, 24, 25, and 26, Vol. 2"
Otto von Kotzebue
384 sterna macroura, i.
"The Voyage of the Vega round Asia and Europe, Volume I and Volume II"
A.E. Nordenskieold