Introduction. 
account it was arranged that they should return to 
Mombasa, prosecute their studies at that place, and 
return to Kauma as soon as they should be able, with 
some ease, to hold intercourse with the people in their 
own tongue. 
But Dr. Krapf had other work to perform. Leav- 
ing the Swiss at Mombasa, he sailed again for Zan- 
zibar. Preparations were commenced at once for a 
prospecting expedition to Usambara, where it was 
hoped Messrs. Wakefield and Woolner would be able 
to locate themselves. All was ready by the 14th of 
February, 1862. On the morning of that day they 
embarked in a small boat in which they proposed 
crossing the channel. That night they lay to not far 
from the town. Presently a small cargo of slaves 
was shipped. On the following morning Dr. Krapf 
insisted that the slaves should be sent back to Zanzi- 
bar, which was done. But in a short time the mis- ^ 
sionaries themselves were to be sent back. Badly 
managed, their craft had been anchored in shallow 
water, so that when the tide fell she was left almost 
high and dry on the bank. On the return of the 
tide the waves broke over her, and in a few minutes 
she was completely swamped. The missionaries lost 
some valuable property, and were in awkward straits, 
but they were picked up by Captain Cruttenden, of 
the Zenobia, and kindly provided with a night's 
lodging on board that vessel. On the i6th they got 
another boat under weigh; the wind was favourable, 
and on the evening of the same day they anchored 
before the town of Pangani. They called upon the 
Governor of that place and presented their papers, but 
were not favourably received. The Governor would 
