[Illustration: OUR FLEET IN THE BALTIC.]

Captain Porter was discreet but impatient with injustice. When one of
his schooners was fired into by the Porto Rican authorities he promptly
demanded an explanation, which was given. The most important incident of
his service occurred in the autumn of 1824 and is known as the "Foxardo
Affair."

In October of that year the storehouse of the American consul at St.
Thomas was broken into and robbed of much valuable property which there
was reason to believe had been carried to the small port at the eastern
end of Porto Rico known as Foxardo. Lieutenant Platt, of the _Beagle_,
anchored off the town and asked the help of the authorities in capturing
the criminals and recovering the property. The officer was treated with
the grossest discourtesy. Having landed in civilian clothes, the
authorities accused him of being an impostor and ordered him to show his
commission. The Lieutenant produced it, whereupon they declared it a
forgery and arrested him on the charge of being a pirate. After he and a
midshipman who accompanied him had been insulted repeatedly they were
allowed to leave.

When Captain Porter learned of this outrage he entered the harbor with
several of his vessels and sent a letter to the alcalde or governor,
notifying him that he had one hour in which to send an explanation of
his action. While waiting for the return of the flag of truce Captain
Porter saw one of the shore batteries getting ready to fire upon him.
Instantly, he sent a detachment, which captured the battery and spiked
the guns. Then Captain Porter landed, and, after spiking another
battery, made his way to the town. By and by the alcalde and captain of