Taxacom: "Muankengap" in German East Africa

[Michael Oliver]

Can anyone suggest a modern name or coordinates for the locality
"Muankengap"? This was a collecting locality for aquatic invertebrates
appearing in several places in a 1910 publication by von Daday on Rotifera
and once in a 1911 work by Tollinger and Annunziata on diaptomid copepods.
The place seems to have been at a swampy area on the shore of the Nyassa
See (Lake Malawi), most likely (?) in what is now Tanzania. Any help much
appreciated.
-- 
Michael K. Oliver, Ph.D.
Yale Peabody Museum of Natural History