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POPC RIL ILI LILI III

PREFACE.

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ld have been successfully completed ; and I am proud to bear my tes
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of this nature pear
hich has been manifested towards me by the scientifie world

timony to the liberal spirit w
Among those to whom I am especially indebted I may mention the Earl of
5

in general. i; :
f Pari nminck. M. John Natterer, of Vienna, Dr. Lichten-
mee | f Paris, M. Temminck, M.
Derby, Prince Massena, © :

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tein, of Berlin, W. Swainson, Esq., Sir William Jardine, Bart., and T. C. Eyton, Esq. My
stein, AVY ..
thanks are also due to my friend Mr. Martin, of the Zoological Society of London, for the
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kind manner in which he has at all times rendered me his assistance in this and my other
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publications. ”

IILILIR

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IRILIVY,

4

Of the honoured friends mentioned in the foregoing paragraph, only one, Mr. Eyton,
remains to me; all the others, alas! have passed away. In writing again a preface to

a Monograph of the Trogonidee, it is impossible not to recall their memory with a sigh;

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but at the same time it would be wrong to allow regrets to mingle with the acknowledgments

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which are due to my friends and coadjutors of the present day. It is with pleasure that

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I recognize the fact that for every single student of ornithology to be found forty

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years ago, there are at least twenty now; and I cannot close these remarks without

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recording my obligations to Dr. Sclater, Mr. Salvin, and Mr. Bowdler Sharpe for the

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assistance they have rendered me in the preparation of this second edition. With the

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history of this family will also be remembered the names of Mr. Lawrence and

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Professor Baird in America, Dr. Finsch of Bremen, Herr A. von Pelzeln of Vienna, and
especially Drs. Cabanis and Heine, who, in their well-known ‘Museum Heineanum,’

have given a very ‘iptive revi Soe
ave g a very elaborate descriptive review of the family; and, although not acqui-
escmg im all their conclusions, I

useful work.

must acknowledge my frequent obligations to this

 

Lastly I hay : Ne
y ave to remark that, although I entitle this work a second edition of

the Trogonide, it is j
gonide, it is in reality a new ae ,
y new publication, all the plates having been redrawn,

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