296 Mr. G. E. H. Barrett- Hamilton on 



validity of the various species and subspecies of Ptarmigan 

 into which some naturalists have divided the birds found in 

 the Aleutian and the Commander Islands, and so it appears 

 here as plain L. rupestris. 



Lagopus lagopus (Linn.). 

 No. 57. ? , Karaga Village, August 21, 1897; also obtained 

 at Petropavlovsk, but not preserved. 



SuRNiA ULULA (Liun.). 



No. 58. One unsexed, Petropavlovsk, autumn of 1897 

 {Mr. Jacobleff). 



This is another Kamchatkan species, no specimen of which 

 had been seen by Dr. Stejneger, and which he suggested 

 might be subspecifically distinct. My single specimen does 

 not bear out this suggestion, and cannot be separated from 

 ordinary examples. 



Alauda blakistoni Stejneger. 

 No. 59. ? , Petropavlovsk, about August 28, 1897. Colour 

 of bill light horn, darker on the upper surface of the upper 

 mandible ; of interior of mouth light yellow ; of legs and 

 feet fleshy, the soles light yellow ; of claws horn. 



Nucifraga kamchatkensis Barrett- Hamilton (Bull. 

 B O.C. vol. vii. 1898, p. xlvi). 



No. 60. One unsexed, Petropavlovsk, Kamchatka, about 

 August 28, 1897. 



Dr. Stejneger never had the series of Nutcrackers necessary 

 to show the distinctness of the Kamchatkan bird. I was 

 therefore pleased to be able to compare my single specimen 

 with those in the British Museum, when it at once became 

 evident that it belonged to a form not represented in 

 that collection. The Kamchatkan bird is darker than 

 N. caryocatactes , and has the remiges tipped or margined 

 with white. From N. mi(Uipit)ictata, which it resembles in 

 the size of the large v.hite spots, it differs in the lesser area 

 of the white tips of the rectrices. 



A new species not only to the Kamchatlcan, but to the 



