viii 
AHVEIlTISERrENT, 
splendid and interesting wliidi lias yet adorned the 
Natomlkt's Library. 
The volume on the Natnr&l History of Coleopte- 
rous Imecta (Beetles), by the He^. James Duncan, 
joint-author of the Entomobgia Edincnsis, ia abo 
nearly ready for publication ; and the beauty, variety 
of forms, and number of the figures (upwards of 110 
inHf!Ci» being repreBent'ed), together with the intereat 
excited in their extraordinary hbtory, tnnat inaure it 
8 favourable reception. Our volumes on Mammalia 
and Ornithology, formed the first attempt at preseni- 
ing the public with so extensive a series of correct 
representations of animals, in a highly finished and 
i-oloured form, with their authentic; histories, at so 
cheap a rate ; and oar Entomological volumes will also 
be found to realize to the fullest e:£teut the promises 
held out in the original Prospectus, The vulame 
will be enriched by a Memoir and Portrait of John 
Ray, tlie father of Zoological Science in Britain- 
Voluniea on the Naturd History of Deer— of 
Dogs^ — of British Butterflies — of Fishes — Parrots, 
hc^ — are also in forwardue^M, su that we may now 
safely anticipate regularity of publication for the fu- 
ture, 
EsiTiUCKon, December iBZi. 
