PREFACE. ix 
during the publication of some of the different editions of the 
“Systema Nature.” 
Edition. Genera. Names not previously used. 
That of 1735 containing 47 
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1756 ot 
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1760 | 
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During the period of the publication of the various editions of 
the “ Systema Nature,” two other writers on this branch of science, 
Meehring and Brisson, published their nomenclatures. Both of 
these contained a greater number of genera than were proposed by 
Linnezus, and it may be readily supposed that many of their names 
were new to science. But a table will best show the differences 
which exist, in the number of genera and in newly introduced names, 
between the principal nomenclatures of the authors who have pub- 
lished Ornithological Systems, from the time of Linnzeus down to 
that of Mr. Swainson, 1837. 
Date. Author. Genera. | Names not previously used. 
1752 Meehring 114 56 
1760 Brisson 115 55 
1777 Scopoli 91 8 
1788 Forster 81 3 
Gmelin 88 9 
1790 Latham 101 6 
Bonnaterre 110 5 
1797-1798* Cuvier 2 
1799-1800" Cuvier 131 20 
1800-1801° Lacepede 130 13 
1811 Illiger 147 32 
1816 Vieillot 273 131 
@ Refers to the seventh, » to the eighth, and © to the ninth years of the 
Republic, which commenced on the 22nd of September and ended on the 
21st of September of the following year. 
