Show y t A in lake keassa in the interior of darkest africa there is a kind of blackfish which every year builds what the natives term a house in the mud at the bottom of the lake it makes a hole some two or three feet broad heaping up the mud removed from the hole so as to form a little wall around it the depth of the hole and the height of the wall measured together make basin from fifteen to twenty inches deep in this lake within a lake this queer little fish erects a madhouse mud house the average sized specimen measuring fourteen inches across the bottom rapidly coming to a point in the shape of a broad cone A hole four inches in diameter always on the south side serves as an opening for egrass and ingress A dried specimen of this queer domicile preserved in the coyal museum at berlin has two doors and a partition separating it into two rooms |