VARIATIONS IN HYLOCICHLA USTULATA — BOND 381 



Robinson River, 2; Toklat River (head of), 1. alberta: Grimshaw, 1 (nmc) ; 

 Joussard, 7 (nmc); Slave River, 4 (intermediate). British Columbia: Creston ,1; 

 Hazleton, 1; Moose River (head of South Fork), 1; Summit Lake (12 miles north), 

 3 (nmc); Trail, 1 (vmm). Colorado: Avolo, 2; Clear Creek, 1. idaho: Bovill, 1; 

 Clearwater County (Headquarters), 2; Coeur d'Alene, 1; Harvard, 2; Idaho 

 County (Whitebird Summit), 1; Inkom, 2; Latah County (East Fork Meadow 

 Creek), 1; Latah County (Princeton), 1; Moscow Mountain, 1; Potlatch, 1; Priest 

 River, 1; Shoshone County, Avery, 2; Shoshone County (Dismal Lake), 1; Sho- 

 shone County (Lookout Pass), 1. Mackenzie: Fort Norman, 2; Fort Simpson, 1; 

 Fort Providence, 1; Great Slave Lake, 1 ; Nahanni River (mouth of), 1. Montana: 

 Crazy Mountains, 2; Flathead Lake, 1; Ward Peak, 1. nevada: Franklin Lake, 1; 

 Mountain City, 1. Oregon: Disaster Peak, 1; Jordan Valley, 2. Washington: 

 Anatone, 1; Ferry Lake, 4; Swan Lake, 6. Wyoming: Greybull, 1. yukon: 

 Haines Road (mile 130), 1 (nmc); Lake Laberge, 1; Lake Marsh, 2; Lapie River 

 (Canol Road, mile 132), 5 (nmc); Old Crow, 5; Stoney Creek, 1 (nmc). 



Migrants: alaska: Savage River (McKinley Park), 1 (atypical), alberta: 

 Athabaska Landing, 1; Athabaska River (30 miles above landing), 1; Banff, 1; 

 Red Deer River, 1 (gsmc). British Columbia: Babine Mountains, 1; Nulka 

 Lake, 1 ; Okanogan Landing, 1 ; Telegraph Creek, 1 (slightly intermediate towards 

 ustulata). cosTA rica: Bonilla, 1. Georgia: Athens, 2; Decatur, 1; Stone 

 Mountain, 1. idaho: Bonneville County (Gray), 2; Hope, 1; Lewiston, 1; 

 Moscow, 25; Potlatch, 2; Silver, 1; Washington County (Cambridge), 1. Illi- 

 nois: Cook County (Glenwood), 9; Iroquois County (Papineau), 1; Will County 

 (Braidwood), 1. Kentucky: Middlesboro, 1; Uniontown, 1. Louisiana: New 

 Orleans, 2. Manitoba: Grand Rapids, 1. Mississippi: Bay St. Louis, 1; Cat 

 Island, 1; Deer Island, 2; Gulfport, 2; Saucier, 1. Montana: Fort Logan, 1; 

 Glendive, 1; Johnson Lake, 1; Madison River, 1; Terry, 1. north Carolina; 

 Asheville, 1. north dakota: McHenry (near Bantey), 1. Tennessee: Roan 

 Mountain, 1. utah: Utah County (Scofield Reservation), 1. Virginia: Mount 

 Vernon, 1. Washington: Blue Mountains, 1; Pomeroy (16 mi. south), 1 (ing); 

 Tunk Mountain, 1; Uniontown, 1. Wyoming: Fort Steele, 2. yukon: Laird 

 River and Alaska Highway, 1 (nmc); Tagish Road (mile 19), 1 (nmc). 



Geographic Variation 



Adult males in fresh plumage: Hylocichla ustulata ustulata: The iip- 

 perparts are bright russet in color; they are similar in hue but darker 

 in value than the Dresden Brown of Ridgway (1912). Examples 

 of specimens with this plumage selected at random from the U.S. 

 National Museum collection are 360036, 262522, and 262231. H. 

 u. oedica: Has the upperparts somewhat darker than the Deep Olive 

 of Ridgway. Examples are 262230 and 134188. H. u. almae: The 

 upperparts are brownish olive above. This color is quite near the 

 Olive of Ridgway. Examples selected at random from the main 

 series are 298158, 341604, 420836, 465075, and 465333. H. u. swain- 

 soni: Characterized by a much more reddish-olive overcast to the 

 upperparts, nearest the Raw Umber of Ridgway. Examples are 

 342628, 458080, 466952, and 466953. 



Subadult males in fresh plumage: Hylocichla ustulata ustulata and 

 H. u. oedica: Similar to adults in fresh plumage. H. u. almae: Slightly 



