Page:Popular Science Monthly Volume 65.djvu/281

Rh German Law. Under the auspices of the academy the works of Jacobi, Dirrichlet, Steiner, Weierstrass and Kronecker will soon see the light. A comprehensive work, taking in the entire animal world, valuable for the unity of its plan and its accuracy has been prepared by Schulze. The income of the Humboldt fund has been expended for the most part on costly journeys undertaken for scientific purposes. Thus Hansel was absent in South America from 1863 to 1867, studying the pampas of Argentina, exploring the bone caves of southern Brazil and observing the remains of mammals. Sehweinfurth, the botanist, devoted himself, first at his own cost, as early as 1863, to the study of the

flora of the Nile valley. He went as far as the borders of Abyssinia and the Soudan. On his second journey in 1868, for which he received aid from the academy, he explored Lake El Ghasel, the region round about Njam Njam and Monbutta botanically, geologically and anthropomorphic-ally. He returned to Berlin in 1871 and the conclusions he formed from his studies on his travels are found in the 'Proceedings' of the academy for the years 1870-72. Buchholz, the zoologist, went to equatorial Africa in 187-1, and sent home a vast amount