his own
recovery when malaria attacked him, but they helped also to cure his
patients. Traveling scientists always gave him a visit to get his help
and advice. He had friends that were shipcaptains, officers, engineers,
merchants, and British consuls. Everybody knew the wonderful Kai Bok-su.
"Whirlwind Mackay," some of them called him, and they knew and admired
him with the true admiration that only a brave man can inspire.

The friends to whom he turned for help of the best kind were the English
Presbyterians in south Formosa. They, more than any others, knew his
trials and difficulties. They alone could enter with true sympathy into
all his triumphs. At one time Dr. Campbell, one of the south Formosan
missionaries, paid him a visit. He proved a delightful companion, and
together the two made a tour of the mission stations. Dr. Campbell
preached wherever they went and was a great inspiration to the people,
as well as to the students and to the missionary himself.

One evening, when they were in Kelung, Mackay, with his insatiable
desire to use every moment, suggested that they spend ten days without
speaking English, so that they might improve their Chinese. Dr. Campbell
agreed, and they started their "Chinese only." Next morning from the
first early call of "Liong tsong khi lai," "All, all, up come," not one
word of their native tongue did they speak. They had a long tramp that
morning and there was much to talk about and the conversation was all in
Chinese, according to the bargain. Dr. Campbell was ahead, and after
an hour's talk he suddenly turned upon his companion: "Mackay!" he
exclaimed, "this jabbering in Chinese is ridiculous, and two Scotchmen
should have more sense; let us return to our mother tongue." Which
advice Mackay gladly followed.

His next visitor was the Rev. Mr. Ritchie from south Formosa, one of the
friends who had first introduced him to his work. Every day of his visit
was a joy. With nine of Mackay's students, the two missionaries set out
on a trip through the north Formosa mission that lasted many weeks.

But the more pleasant and helpful such companionship was the more alone
Mackay felt when it was over. His task was becoming too much for one
man. He was wanted on the northern coast, at the southern boundary of
his mission field, and away on the Kap-tsu-lan plain all at once. He
was crowded day and night with work. What with preaching, dentistry,
attending the sick, training his students,