584 Mr. S. A. Buturlin on 



Most of these cliaracters, such as the form of the hill and 

 the amount of grey on tlie rump, and, still more, the amount 

 of barring on the apical half of the tail-feathers, are purely 

 individual features in true Pheasants. But the shade of 

 the mantle and flanks and the form of the superciliaries are 

 true diagnostic characters. In these respects P. buturlini 

 evidently comes somewhat near P. ussuriensis, and it will 

 be advisable to compare carefully the Tsushima bird with 

 specimens from Ussuri-land, and with P. gmelini of South- 

 eastern China as well. 



This form is not known to me ex autopsid. 



I now give a List of the species and subspecies of 

 Phasianus, with the dates of the publication of the names 

 and short indications of their ranges, and add a synoptical 

 dichotomous Table for the identification of the adult males. 

 Both in the List and in the Table the sequence of forms is 

 that of their natural affinities, so far as I understand them. 



This new table of identification seems desirable, as two 

 forms (P. semitoj'guatus and P. holdereri) were excluded 

 from my first list of true Pheasants, and six forms 

 (P. tshardjuensis, P. gordius, P. siiehschanensis, P. sohokho- 

 tensis, P. alaschanicus , and P. buturlini) are now added. 

 Moreover, in my previous attempts to diagnose the true 

 Pheasants I did not always use the best and most constant 

 specific characters. 



I find it useless to include in my List or in the Table 

 such somewhat aberrant forms of True Pheasants as Reeves^s 

 Pheasant of Central Asia and the Japanese Copper Pheasants 

 (P. scemmerringi, P. scintiUans, P. ijimcE), as I have nothing 

 to alter in my previous account of them, but only wish to 

 state that my description of the female P. smmmerringi 

 (J Ibis/ 1904, p. 413) was based, it seems to me now, on a 

 wrongly identified specimen of a female P. versicolor. 



List of the Irue Blue-and-Ch^een-headed Pheasants. 



1. P. colchictis septentrionalis Lorenz, 1888. North Caucasus. 



2. P. colchictis typicus Linn., 1758. Western Transcaucasia. 



3. P. colchicus lorcnzi Butarl., 1904. Kura Basin. 



