Alvarado then asked Loriga to walk out with him, leaving the other two to discuss the question. The Spanish officer accepted the invitation, and during their promenade informed Alvarado that they thought of abandoning Lima and retiring to the more healthy Highlands, where, with abundant supplies at command, they could easily beat off any attack of the Patriots. This information was the only immediate result of the conference, but it gave rise to further negotiations, on the basis of the establishment of an independent monarchy in Peru.
The change of Viceroys in no way improved the position of the Royalists; on the contrary, fresh disasters befell the army of Lima, and the new general fell into the same errors as his predecessor. The scarcity of provisions became worse in the city, and yellow fever broke out in the army, while the arrival of a royal commissioner from Spain prevented La Serna from taking any decided step.
The condition of the Patriot army at Huara was not much better. It also suffered greatly from fever, so that barely a thousand men were fit for service. San Martin himself fell ill, but his guerillas cut off supplies from Lima, and expeditions along the coast or into the Highlands kept the enemy in continual alarm.
On the 25th March the envoy from the new Government of Spain, a naval officer named Abreu, arrived at Huara, where he was well received. Four days he remained there, holding long conversations with San Martin, for whom he conceived a great admiration. At his instigation La Serna attempted to negotiate privately with San Martin, but San Martin replied that he would listen to nothing which was not proposed officially, and about the same time sent a column of his sickly troops, commanded by Miller, to act under Cochrane's orders against Callao, and another under Arenales into the Highlands. Then leaving a strong rear-guard in charge of the hospitals and park at Huara, he embarked the rest of his troops in transports, and dropped down the coast to Ancon, whence
