A REVISION OF THE GENUS GENN.^US. 671 



(S No. 22, Gates' Coll., Cachar, A quite typical Jwrsfieldi from Cachar ; 

 the tail is a long one, and the central rectrices are slightly vermiculated, 

 a not uncommon occurrence in young birds. 



GenncBus batemani. 



S Gates' Coll. No. 101, Myitkina, tij})e. 



5 Gates' Coll. No. 91, Myitkina. 



c? 2, Gates' Coll. Nos. 36 and 110, Myitkina. 



S No. 149 is also a true horsfieldi. 



Gennceus prendergasti. 



S Gates' Coll. No, 158, Paletwa, Arakan, type. A young but quite typical 

 specimen of horsfieldi. The rump feathers in this specimen are fringed with 

 rufous instead of white, but I have seen this same character in young birds 

 throughout Assam. 



(S 6 Nos. 75, 76, 77, Gates' Coll. Balisera, South Sylhet. 

 No. 166, Akyab, N.-W. Arakan. 

 Nos. 160-1, N.-W. Arakan. 



Curiously enough, although Gates calls all these prende^'gasti, none of 

 them have his alleged distinguishing characteristic of a rufous fringed rump. 



Gennceus davisoni. 



S. Nos. 63 and 67, Gates Coll. Kamaing near Nanywa. 



No. 96 has a tail longer than the average, but exactly equal 

 to Gates' No. 22, which he calls mearsi, and I have myself shot birds with 

 «ven longer tails in Cachar. 



5 No. 97, Gates' Coll, Sinkan, Bhamo. This is a typical young male 

 horsfieldi. 



Gennceus wickhami. 



S No. 82, Gates' Coll., Balisera, South Sylhet. 

 S Nos. 81, 90 ; $ 84, 88, near Fort White. 

 d No. 28 ; 2 No. 31, Cachar. 



Gennceus obscurus. 



d Nos. 64, 66, 68, 70, 74 ; $ 71, Gates' Coll., Kamaing. 



2 No, 72, Gates' Coll,, Jade Mines (Kamaing), 



All these are quite typical hors/ieldi. The differences alleged by Gates 

 to exist between the females of this species and horsfieldi are non-existent, 

 and the type of his $ obscurus is, almost feather for feather, exactly the 

 same as a female from Margherita in Assam. It is a common occurrence 

 for the female of horsfieldi to have from 2 to 6 of the central rectrices 

 Tufescent. 



Gennceus cliffordi. 



S No. 146, Gates' Coll., Myitkina. 



$ Gates' Coll., type 6 1910.7.5.102(2 107), This appears to be a 

 young male horsfieldi. 



Gennceus lineatus. 



(S Mus. Coll,, No. 80.1.1.3330, Arakan. 



The following specimens, which have been accorded specific names, are 

 all hybrids : — 



Gennceus batemani ^^ horsfieldi > rufipes. 



S B, M., No. 1902.11.9.8. Shot by Captain Nisbett near Sadon. 

 Almost a pure horsfieldi, but showing by the white stippling on the outer 

 scapulars that it has a cross of rufipes in it. 



S No. 103, Gates' Coll., Myitkina = ^^'^^^'^""'^'. > rufipes. 



horsfieldi 



Gennceus loickhami = horsfieldi x cuvieri. ' 



