Four regiments of Spanish horse attacked the Rhinegrave's quarters, but were charged so furiously by four troops of Swedish dragoons under Captain Hume that 300 of them were killed and the Elector of Nassau taken prisoner; after this the Spaniards retired beyond the Moselle.
In other parts of Germany the generals of Gustavus were equally successful.

General Horn defeated the Imperialists at Heidelberg and Heilbronn.

General Lowenhausen scoured all the shores of the Baltic, and compelled Colonel Graham, a Scotch soldier in the Imperial service, to surrender the Hanse town of Wismar.

Graham marched out with his garrison, 3000 strong, with the honours of war en route for Silesia, but having, contrary to terms, spiked the cannon, plundered the shipping, and slain a Swedish lieutenant, Lowenhausen pursued him, and in the battle which ensued 500 of Graham's men were slain and the colonel himself with 2000 taken prisoner.
General Ottentodt was moving up the Elbe carrying all before him with a force of 14,000 men, among whom were five battalions of Scots and one of English.

This force cleared the whole duchy of Mecklenburg, capturing all the towns and fortresses in rapid succession.