There is a reference to these remains of hippopotamus in a paper by Mr.R.B.Newton in the "Geol.

Mag." Volume X., 1893; and in Dr.
Forsyth Major's memoir on Megaladapis Madagascariensis ("Phil.

Trans.

R.
Soc." Volume 185, page 30, 1894).
Since this letter was written, several bones belonging to two or possibly three species of hippopotamus have been found in Madagascar.
See Forsyth Major, "On the General Results of a Zoological Expedition to Madagascar in 1894-96" ("Proc.

Zool.