HIKDS OF NORTH AND MIDDLE AMERirA. 589 



ItuH), Mild sides of lic^ad and lu^ck iiuioli less stront^ly streaked with 

 hluek (the siilK)r))ital and aurieiihir regions .sonietiiiies ahiiost wholly 

 >vhite). 



A^/v// via/^.-Lonjrth (skins), 132-146 (188.1); wing, oS-61 (5!».7); 

 tail, 04-58 (55. l>); exposed culnien, 18; tarsus. '22-22.5 (22.1); middle 

 toe, 14-15 (14.4)." 



Adult fonale. — Length (skins), 131-141 (135); wing, 54-58 (50.1); 

 tail, 52-5t) (54.7); exposed culnien, .0.5-18 (17); tarsus, 20-23 (21.3); 

 middle toe, 13-14 (13.4).^ 



Maria Madre Island, Tres Marias group, western Mexico. 



Thryothorm feli.c (not of Sclater) Grayson, Proc. Best. Soc. N. H., xiv, 1872, 



278 (Tres Marias; habits).— Lawrence, Mem. Bost. See. N. H., ii, 1874, 268, 



part (Tres jNIarias). 

 Thrifothorus fe/b; (5 latrrcncli Ridgway, Bull. Nutt. Orn. C'luh, ill, .Ian., 1878, 



10 (Tres Marias Islands, w. Mexico; coll. V. S. Nat. Mus.). — Salvin, Ibis, 



1878, 196 (crit.). 

 Thrnothorus lawrcncii Salvin and Godman, Biol. Centr. Am., Aves, i, 1880, 



93.— Siiarpe, Cat. Birds Brit. Mas., vi, 1881, 2:}2.— Nelson, North Am. 



Fauna, no. 14, 1899, 57 (Maria Madre I., Tres INIarias; habits; soufr; crit.). 

 Tlliri/dtJioruit] lawrctieii Ridcjwav, Man. N. Am. liirds, 1887, 552. 

 TJiri/othorvs felix laurenrli Foster, Bull. I". S. Nat. Mus., no. 40, 1892, j). x. 



PHEUGOPEDIUS FELIX MAGDALEN.^ (Nelson). 

 MAGDALENA ISLAND WREN. 



Similar to I^. f. hiirrencil in slight amount of streaking on side of 

 head and neck, but otherwise similar in coloration to J^.f. pallidwi^ or 

 even darker than the average of that form. 



Adult male. — Length (skin), 135; wing, 5r); tail, 54; exposed cuIiikmi. 

 IS; tarsus, 21; middle toe, 13.^ 



Maria Magdalena Island, Tres Marias gioup. western Mexico. 



IVin/ofhorxs lairrcncll maydali'inr Nelson, Proc. Biol. Soc. Wash., xii, .laii. 27, 

 1898, 11 ( Maria INIagdalena I., Tres Marias group, n. w. Mexico; cull. V. S. 

 Nat. Mus.); N. Am. Fauna, no. 14, 1899, 58 (habits). 



Genus THRYOTHORUS Vieillot. 



Tlmttlhoriiif Vieillot, .\nalyse, 1816, 45 (correctcil to 'riiryothnms on p. 70).'' 

 (Type, lYoylodi/li.t (inDidlmu-eHS Vieillot, ^Sylria htdorlciamt Latham.) 



ThryiAlivrnx (emendation ?) Swainson, Cla.ssif. Bu'ds, ii, 18.S7, 819. 



Thryoldrna (typographical error?) liEicnENBAcn, Av. Syst. Nat., 1850, pi. 57. 



jrylemafhronx Maximilian, Beitr. Naturg. Bras., iii, 1830, 742, part. (To replace 

 Thryothorus, <' rejected on ground of inappropriateness. ) 



" Five spec-imens. 



''Seven specimens. f 



<'One specimen (the type). 

 <' See Coues, Auk, xiii, 1896, .845. 



«The species included l)y Maximilian under lfi/l< itidtlimiis (itr Tliryitthorun) belong, 

 however, mostly to the genus Troyln<h/l,s. 



