538 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult male.— Length (skiny), 137-117 (141.6); wing, 58.5-60 (59.1); 

 tail, 58-64.5 (61.6); exposed culmen, 15-18 (16.2); tarsus, 21-22.5 

 (21.8); middle toe, 13-15 (13.6).« 



Adult female.—hength (skins), 133-140 (136.5); wing, 54.5-58.5 

 (56.5); tail, 59-59.5 (59.2); exposed culmen, 15.5-16 (15.7); tarsus, 

 20-22.5 (21.2); middle toe, 12.5-13 (12.7).'^ 



South-central Mexico, in State of Morelos (Yautepec; Tuente de 



Ixtla). 



ThryotJiorus fdix grandis Nelson, Auk, xvii, July, 1900, 269 (Yautepec, More- 

 los; coll". U. S. Nat. Mus.). 



PHEUGOPEDIUS FELIX PALLIDUS (Nelson). 

 DUKANGO WREN. 



Similar to P. f. fellx but smaller, with upper parts nmch less 

 rufescent (pileum varying from deep cinnamon to nearly Isabella 

 color, back, etc., light olive-brown to nearly broccoli brown), lateral 

 under parts avei'aging paler and duller (nearest pale clay color), and 

 tail less distinctlv barred wdth dusky. 



Ad^dt ;««/.^— Length (skins), 121-140 (129.9); wing, 53-58 (56.1); 

 tail, 50.5-55 (53.9); exposed culmen, 14.5-17 (16); tarsus, 20.5-22 

 (21.3); middle toe, 13-15 (13.6).^ 



Adtdt female.— Length (skins), 120-132 (123.8); wing, 51-55 (52.7); 

 tail, 46-53 (49.7); exposed culmen, 14-15 (14.8); tarsus, 20.5-21 (20.9); 

 middle toe, 12.5-13 (12.8).^^ 



Western Mexico, in States of Sinaloa (Mazatlan; Escuinapa), 

 Durango (Chacala), and northwestern Michoacan (Los Reyes), and 

 Territory of Tepic (Tepic; San Bias; Santiago). 



[Thryothorus'] feli.r (not of Sclater) Baird, Review Am. Birds, 1864, 121, part.— 



ScLATERand Salvin, Nom. Av. Neotr., 1873, 7, part. 

 Thryothorus felix Lawrence, Mem. Bost. Soc. N. H., iii, 1874, 268, part (Mazatlan, 



Sinaloa).— Salvin and Godjian, Biol. Centr.-Am., Aves, i, 1880, 93, part 



(Mazatlan).— Sharps, Cat. Birds Brit. Mus., vi, 1881, 232, part (Mazatlan). 

 T[h.ryofhorus'] felix Ridgway, Man. N. Am. Birds, 1887, 552, part. 

 Phengopedius felix Baiud, Review Am. Birds, 1864, 126, part (Mazatlan). 

 \_Thryothorm felix'l a. felix Ridgway, Bull. Nutt. Orn. Club, iii, Jan., 1878, 11, 



part (Mazatlan). 

 Thryothorus felix pallididi Nelson, Proc. Biol. Soc. Wash., xiii, May 29, 1899, 29 



(Chacala, Durango; coll. U. S. Nat. Mus.). 



PHEUGOPEDIUS FELIX LAWRENCII (Ridgway). 

 LAWRENCE'S WREN. 



Similar to P. f. palUdus, but averaging decidedly paler, the back, 

 etc., grayer, lateral under parts very much paler (pale buti' or cream 



• « Six specimens. '' Seven specimens. 



^> Two specimens. '^ Five specimens. 



