PUBLICATIONS OF THE

AMERICANORNITHOLOGISTS' UNION

FOR SALE AT THE FOLLOWINC PRICES:

The Auk. Completeset, VolumesI-XXXI, (1884-1914) in origi- nal covers,$105.00. Volumes I-VI are sold only with complete sets,other volumes,$3.00 each; 75 centsfor singlenumbers.

Index to The Auk (Vols. I-XVII, 1884-1900) and Bulletin of the Nuttall OrnithologicalClub (Vols. I-VIII, 1876-1883),8vo, pp. vii -I- 426, 1908. Cloth, $3.75; paper, $3.25.

Index to The Auk (Vols. XVIIl-XXVII, 1901-1910), ,•x-o, pp. xviii + 250, 1915. ('loth, $3.00; paper, $2.00.

Check-List of North American Birds. Third edition, revised. 1910. Cloth, 8vo., pp. 426, and 2 maps. $2.50, net, postage 25 cents. Secondedition, revised,1895. Cloth, 8vo, pp. xi 4- 372. $1.15. Original edition 1886. Out of print.

Abridged Check-List of North American Birds. 1889. (Abridged and revisedfrom theoriginal edition). Paper,8vo, pp. 71, printed on one sideof the page. 25 cents.

Pocket Check-List of North American Birds. (Abridgedfrom thethird edition). Flexible cover, 32 X 5• inches.25 cents. 10 copies for $2.00.

Code of Nomenclature. Revised edition, 1908. Paper, 8vo, pp. lxxxv. 50 cents. Original edition, 1892. Paper, 8vo, pp. iv -k 72. 25 cent,

We would be pleased to furnish The Auk, Index and Check-List to your library at 15% discount.

Address JONATHAN DWIGHT, Jr. 134 W. 71st St., New York, N.Y. AmcricafiI:]rfiitholo:ists.' Idfiiofi

Check-List of North American Birds

Last Edition, 1910

Cloth, 8vo, pp. 430 and two mapsof North America, one a colored,faunal zone map, and one a locality map. The first authoritative and complete list of North AmericanBirds publishedsince the secondedition of the Check-List in 1895. The ranges of species'and geographicalraces have been carefully revised and greatlyextended, and the names conform to thelatest rulings of the A. O.U. Committee on Nomenclature. The numberingof the speciesis the same as in the second edition. Price, including postage, $2.75.

POCKET EDITION A pocket Check-List (8t by 5{ inches) of North AmericanBirc•s with onlythe numbersand the scientific and popular names. Alternate pagcs blank for the insertion of notes. Flexible covers. Price, including postage,25 cents;or 10 copiesfor $2.00.

Address JONATHAN DWIGHT, Jr.

134 W. 71st St.