15 
summer of 1904, wrote out the whole of Burchell’s collation 
of his African insects with the Banks collection and of the 
African beetles with Olivier’s “ Entomologie.” He also, with 
the Professor, verified this and the copy of the whole African 
Catalogue and part of the Brazilian. With his efficient aid 
the whole of the immense mass of dates and the numerous 
localities, arranged, according to Burchell’s classification of his 
specimens, in the African Catalogue, were again copied and 
redistributed to form an African Itinerary, into which were 
inserted the Insects, Arachnids, &c., captured upon each day. 
A critical comparison of this naturalist’s diary with the 
original Catalogue was the means of detecting a few mistakes 
made by the most accurate and painstaking of observers. In 
nearly every case the nature of the error was obvious. and in 
all the correction is probably right. The construction of an 
African Itinerary was greatly aided by the kindness of the 
Radcliffe Librarian, Dr. W. Hatchett Jackson, D.Sc., Keble 
College, who permitted the removal of Burchell’s “ Southern 
Africa,” in order that the map might be studied and repro- 
duced. The copy of Burchell’s work in the Hope Library is 
unfortunately imperfect, wanting both plates and map. 
The great labour of searching through the collection for 
the Burchell specimens has fallen almost exclusively upon 
Mr. W. Holland. Large numbers of the African moths and 
Orthoptera have been entirely destroyed by various pests, but 
fortunately Burchell left the reference numbers still fixed to 
the pins, so that the former existence and disappearance of 
the specimens was attested and no further search was necessary. 
Such evidence barely exists in the Brazilian collection, and 
yet many hundreds of specimens are absent, especially during 
the earlier part of Burchell’s residence at Rio. Therefore 
each missing specimen was necessarily searched for again 
and again until its absence appeared to be certain. Fortu- 
nately nearly all the interesting observations were made later, 
and the great majority of the specimens to which they refer 
has been found. But it is very remarkable that a much larger 
proportion, in fact a very high proportion, of the smaller, 
