THE BIRDS OF AUSTRALIA. 
complex and have not yet been exactly collated, those given on the parts 
being accepted. 
Cabajstis. Mus. Heineanum. The title page of Vol. I. bears the 
date 1850-1851. Items have been quoted as 1850 as no dates appear 
until p. 107, which is dated Jan. 1851. I now conclude that Cabanis 
adopted this method from Bonaparte, and these dates are only MS. ones 
and not those of publication. Thus this first date appears on the second page 
of Sheet 14 (not the first) ; sheet 15 is dated Februar ; 16, Marz ; 17, 
April; 18, Mai; 19, June; 20, July; 21, Aug.; 22, Aug. 10; 23, Aug.; 
24, Sept. 1 ; 25, Sept. 10 ; 26, Sept. 8 ; 27, Oct. 8 ; 28, Oct. 23 ; 29, 
Oct. 23. The preface is dated Oct. 1851. That these are not publication 
dates is proved by the fact that on p. 43 a footnote quotes Bonaparte’s 
Consp. Gen. Av., 1850, p. 287, and a similar footnote to p. 53 cites p. 320. 
These pages are in the portion quoted as 1850 but Bonaparte, p. 320, 
did not appear until Feb. 1851. As far as I can trace the volume was 
pubhshed in one item at some date after Oct. 23, 1851, and as confirma- 
tion I do not find the book included in the literature of 1850, but in that 
of 1851. 
Similarly the second volume bears on the title 1859-60. The Vorwort 
is dated 1859, but the last date in the book itself is Jan. 20, 1860. 
The third volume has on the title 1860, the last date in the book 
being Nov. 1, 1860. 
The fourth volume is dated 1862-63, but the last signature is Dec. 30, 
1863. 
I conclude that the approximately correct dates are : 
Vol. I. 1851 after Oct. 23 : Vol. II. 1860 after Jan. 20 
Vol. in. 1860 after Nov. 1 : Vol. IV. 1864 after Dec. 30, 1863. 
Cabanis also founded the Journal filr Ornithologie, which see. 
Campbell. Nests and Eggs Australian Birds, published in two vols. in 
1901, acknowledged in Melbourne, Viet. Nat., Vol. XVII., p. 206, Ai)ril 4, 1901. 
Catalogue of the Birds m the British Museum. This is the most 
important systematic work dealing with Ornithology yet pubhshed. The 
preface dates are intended for dates of pubheation, and I here give such with 
Contents and name of Authors, as such a List is often needed. 
Vol. Pref. date. 
1 June 1, 1874 
2 Dec., 1875 
3 June, 1877 
Contents. 
Hawks 
Owls 
Crows, Paradise Birds, etc. 
Author. 
Sharpe 
Sharpe 
Sharpe 
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