tolerated, and the Foullans threatened to besiege it. The
doctor, therefore, left it on the 17th of March, 1854, and
fled to the frontier, where he remained for thirty-three
days in the most abject destitution. He then managed to
get back to Kano in November, thence to Kouka, where
he resumed Denham's route after four months' delay. He
regained Tripoli toward the close of August, 1855, and
arrived in London on the 6th of September, the only
survivor of his party.

Such was the venturesome journey of Dr. Barth.

Dr. Ferguson carefully noted the fact, that he had
stopped at four degrees north latitude and seventeen
degrees west longitude.

Now let us see what Lieutenants Burton and Speke
accomplished in Eastern Africa.

The various expeditions that had ascended the Nile
could never manage to reach the mysterious source of that
river. According to the narrative of the German doctor,
Ferdinand Werne, the expedition attempted in 1840, under
the auspices of Mehemet Ali, stopped at Gondokoro,
between the fourth and fifth parallels of north latitude.

In 1855, Brun-Rollet, a native of Savoy, appointed
consul for Sardinia in Eastern Soudan, to take the place
of Vaudey, who had just died, set out from Karthoum,
and, under the name of Yacoub the merchant, trading in