Descriptions of First Plumage of Oer- 

 tftin Norcix Am. Bbs. Wui. Brewster, 



15. Thryothorus ludovicianus. 



First plumage : male. Top of head dark rusty, each feather edged and 

 tipped broadly with dull, black, the former color nearly eliminated by the 

 latter on the crown and forehead. Under parts nearly as in adult, but 

 more cinnamoneous ; a few narrow, wavy, and somewhat badly defined 

 transverse lines of black across the breast and abdomen. From a speci- 

 men in my collection shot at Petroleum, "West Va., May 1, 1874. 



BuU. N.0.0, 3, Jan. , 1878. p. Jl / . 



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