132 Wyoming Experiment Station. 



should know more of this species in Wyoming. Present data 

 do not give one an idea as to its range and abundance. Jesurun 

 has taken one specimen at Douglas, on March 26, 1893 ; Gary 

 reports it as a common breeder near Newcastle. He saw sev- 

 eral families of young birds near that place on June II, 1900. 

 There is a single skin in the University collection that was 

 taken in the Laramie mountains Oct. 23, 1897, by Gilmore. 

 I have noted this species on the Wyoming side of the Black 

 hills, in the Bear Lodge mountains and in the Big Horn moun- 

 tains during July and August, 1897. Ridgway (Bull. No. 50, 

 Birds of North and Middle America, p. 277, ) notes that they 

 breed in the Bear Lodge mountains. I have seen the young 

 in this range ; but it was too late to tell whether they bred or 

 not. 1 have also found them common at 9,000 feet in the Med- 

 icine Bow mountains and am quite certain they breed along 

 that range. 



567. Junco hy emalis (Linn.). 

 Slate-colored Junco. 



Migratory ; probably breeds in the northern mountains. 

 This species is most abundant during early spring and late fall. 

 Aiken notes, "None seen (Sherman) until about March 20th. 

 From that date they were common for about three weeks." 

 Jesurun finds them common during the spring and fall at Doug- 

 las. The following data pertain to the National Museum col- 

 lection : No. 61025, Green river : 71 1 15, no locality ; Nos. 1 1 190, 

 11191, Fort Bridger ; No. 115711, Green river. There are two 

 skins in the University collection that were taken in April and 

 May, in Albany county. 



567 b. Junco hyemalis connectens Coues. 

 Intermediate Junco. 

 But little is known of this variety, which must be quite 

 abundant in Wyoming during migration. The National Mu- 

 seum has specimens Nos. 11 181 and 11 184 that were taken at 

 Fort Bridger by Drexel. Stevenson reports it from Green 

 river and Holden and Aiken from near Sherman. 



