Meanwhile the scientific onslaught upon the libertarian position has been directed from two chief quarters.
King John, the negus of Abyssinia, burning to avenge this defeat, marched, in February 1889, with an enormous army to Gallabat, where the amir Zeki Tumal commanded the khalifas forces, some 60,000 strong, and had strongly fortified the town and the camp. On the 9th of March 1889 the Abyssinians made a terrific onslaught, stormed and burnt the town, and took thousands of prisoners.
Xenophanes in the middle of the 6th century had made the first great attack on the crude mythology of early Greece, including in his onslaught the whole anthropomorphic system enshrined in the poems of Homer and Hesiod.
In the same year there appeared the third volume of the French edition of the Essay on Man, which reached Ferney, and exasperated Voltaire, by its onslaught on Helvetius, into a sharp attack which only made the young author more conspicuous.
Grassmann made in 1854 a somewhat savage onslaught on Cauchy and De St Venant, the former of whom had invented, while the latter had exemplified in application, the system of " clefs algebriques," which is almost precisely 1 Die Ausdehnungslehre, Leipsic, 1844; 2nd ed., vollstandig and in strenger Form bearbeitet, Berlin, 1862.1862.