Tar. attecui. 



TROGLODYTES. 



lao 



Sylvia domtHtica, Wilhow, Am. Orn. I, 1808, 129, pi. tU. 

 Tn>ifli>dyle$/ult!H», Nutt. Man. I, 1832, 422. 



Other JlgureH : Aud. Orn. Biog. I, lb31, pi. 83.— In. B. A. II, 1K41, pi. 120. 

 y/(i&. KuHteru provinut* of Uiiitud tStatei*, from AUuutiu to the MiMHouri Uivur. 



Autiiiiiiial and winter Rpccimcns have sonititimes a sliglit fulvous 

 liiijrt' (»ii tlio breuHt. 



As u.sual, HouthiTii spccimcim of this species arc the .smaller, as 

 iliustralod by the following moasurcments. 



(28,944, I , Waahington.) Total length, 4.30 ; wing, 2.02 ; tail, 2.05 ; ex- 

 posed portion of lat primary, .74, of 2d, 1.30, of 3d, 1.50, of louge.-d (ineusured 

 from exposed baao of l»t primary), 1.51 ; length of bill from forehead, .61', 

 fruiii iiOHtril, .^7, along gape, .70 ; tarttuu, .6U ; middle toe aud ulaw, .04 ; hind 

 toe and claw, .50 ; claw alone, .25. 



(8,(541, %, Florida.) Fresh Hpecimen before being skinned: Total length, 

 4.50; expauHo of winga, 5.75 ; wing from carpal joint, 1.75. Prepared speci- 

 men: Total length, 4.20 ; wing, l.SO; tail, 1.7(1 ; exposed portion of Ist pri- 

 mary, .70, of 2d, 1.22, of 3d, 1.35, of longest (uieaBurod from exposed base of 

 Irit primary), 1.38, length of bill from forehead, .01, from nostril, .3!*, along 

 gape, .70; tarsus, .65; middle toe aud claw, .01; hind toe aud claw, .50; 

 claw alone, .24. 



'■>"ll#- 





k; • V,' 



I '■ ■ ' 

 1. * ■ 



Troglodytes aedon, var. aztecus. 

 Troijlodytes xdoti, var. aztecus, Baikd. 

 Hub. Eastern Mexico, from Rio Grande southward. 



In a scries of Mexican "Wrens before me, in addition to well 

 marked specimens of T. hypsedon and brunneicollis, I find a number 

 wiiieli I cannot distinguish satisfactorily from T. aedon. They have 

 the same proportions with aedon, as compared with parkmanni — 

 approaching the latter in a paler shade of upper plumage, in which 

 respect there is a slight difference from aedon. In most specimens 

 there is a brownish tinge on the breast (very different, however, from 

 hypsedon) not common in the skins usually seen of aedon, but agree- 

 ing very well with autumnal skins (u.^ 728, Carlisle, and winter skins 



