218 
ON THE CLASSIFICATIOX OF BIBOS. 
isation ; and the nomenclature, as already remarked, is that 
which has gone out of use. The episodes, although not 
connected with the subject, are particularly amusing. 
Audubon. The Birds of America; being ’the Atlas Collec- 
tion of Plates described in the above work, and now in 
course of publication. 
Richardson and Swainson. Fauna BoreaU- Americana; or, 
the Zoology of the Northern Parts of British America, con- 
taining Descriptions of the Objects of Natural History 
the collecteil on late Northern Land Expeditions under 
the command of Captain Sir John Franklin, R.N, Part 2. 
The Birds by William Swainson and John Richardson, 
M.D. Published under the authority of the Right Hon. 
the Secretary of State for Colonial Affairs. London, 1831. 
1 vol. in 2 parts. 
Tins work is quoted throughout the Camnet Ctclo- 
p.^:dia as A’hW/wm Zoology, It contains fifty coloured plates. 
The whole of the descriptions, and nearly all the syiionvmes, 
are entirely from the pen of Dr. Richardson ; and we may, 
therefore, be permitted to express our opinion, in the words 
of another writer, that “they are models of perfection. 
Not only is the plumage described, but such a masterly de- 
finition of the form of each bird is added, that every experi- 
enced ornithologist would be able to determine the modern 
genus, even if the name had not been given. The classifi- 
cation is in unison with that which is more fully developed 
in this treatise. 
Swainson. A Synopsis of the Birds of Mexico. By William 
Swainson. London, 1827. 
This is a paper inserted in Taylor's PitUosophical ^lagaizine 
for June, 1827, and in which the specific characters of new 
species are given. 
Swainson. A Monograph of the Tyrant Shrikes of America. 
Inserted in the Jm/rnal of the Royal No. xi. 
The subordinate groups of this family are here first defined 
and named, and the species described. 
Le Vaillant. Histoire Naturelle d’une partie d’Oiseaux nou- 
veaux etraresde I’Amerique et des Indes. ParF LeVailhint 
We have already noticed this work under tlie head of 
Asia. Jt contains plates and descripUons of the tropical 
Ampelida!^ or fruit-eaters. 
Spinx. Avium Species Novte quas in Itinere Annis 1817-20. 
Per Braziliam collegit et descripsit. 2 vol. royal 4to. M^tli 
222 coloured plates. Genuse, 1824-26. 
Ihe figures are accurate, and faithfully coloured, but stiflT 
and unnatural. 
Lesson. Histoire Naturelle des Oiseaux Mouches. In sc- 
