‘ 
on the Bionomics of Southern Nigerian Insects. 335 
A. “ Nature.” Vol. cii, 1918-1919, pp. 192 and 371 
(referring to D). 
B. “ Alma Mater: Aberdeen University Magazine.” 
Vol. xxxvi, No. 1, December 4, 1918, p. 2. Written 
by two College friends. 
C. “The Aberdeen University Review.’ Vol. vi, 2, 
No. 17, March, 1919, pp. 188-143. By Prof. J. W. H. 
Trail and Prof. E. B. Poulton. Contains a complete 
list on p. 143 of his Entomological publications in 
Proe. Ent. Soc., Lond., 1913-1918. 
D. Royal Botanic Gardens, Kew, Bull. No. 10, 1918, 
pp. 353-361. Contains a long letter dated August 23, 
1918, from C. O. Farquharson to Dr. A. W. Hill, 
F.R.S., Assistant Director. 
EK. Reprint of above in Supplement to ‘ Aberdeen 
University Review,” March, 1919, pp. 193-200. 
F. Proceedings of the Entomological Society of London, 
1918, pp. elxvn and clxxx. 
Intropuctory Note (E.B.P.). 
It will be obvious to the reader that this memoir was 
never written or intended to be published as a scientific 
paper. The author wrote hurriedly and freely of the 
observations which had interested him and the material 
he was sending. He wrote in the intervals of a very 
hard-worked life in the Tropics. Had he lived, several 
formal papers would have appeared, each dealing with a 
separate subject. But, as this was not to be, it seemed 
best to analyse the whole correspondence and to group 
the contents according to the subjects treated of, com- 
bining with each an account of the illustrative specimens 
and a record of the brief accompanying notes. These 
accounts precede the groups of extracts from letters, and, 
being editorial, are enclosed within square brackets, as also 
are any substantial additions to the extracts themselves. 
Slight verbal changes, to the making of which the writer 
had freely consented in his lifetime, are not indicated, and it 
has not been thought necessary to add name or initials 
to the bracketed words. A single pair of brackets has 
been considered sufficient to indicate the authorship of 
two or a few consecutive paragraphs, but when several 
are included, initials have been added. 
In the systematic and descriptive appendix, where the 
