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OX THE CLASSIFICATION OF BIRDS. 



isation ; and the nomenclature, as already remarked, is that 

 I 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 Boreali- Americana ; or, 

 the Zoology of the Northern Parts of British America, con- 

 taining Descriptions of the Objects of Natural History 

 the collected 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. 



This work is quoted throughout the Cabinet Cyclo- 

 pedia as Northern Zoology, It contains fifty coloured plates. 

 The whole of the descriptions, and nearly all the synonymes, 

 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 Philosophical Magazine 

 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 Journal of the Royal Institution, 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 et rares de l'Amerique et des Indes. Par F. Le Vaillant. 



We have already noticed this work under the head of 

 Asia. It contains plates and descriptions of the tropical 

 Ampelidce, or fruit-eaters. 

 Spinx. Avium Species Novae quas in Itinere Annis 1817-20. 

 Per Braziliam collegit et descripsit. 2 vol. royal 4to. With 

 222 coloured plates. Genua?, 1824-26. 



The figures are accurate, and faithfully coloured, but stiff" 

 and unnatural. 



Lesson. Histoire Naturelle des Oiseaux Mouches. In se- 



