PASSERES FRIN01LLID.E STRUTHUS. 147 



{EXTRA-LIMIT AL) 



C. melanocephalus. (Aud. B. of A. Vol. 3, p 214, pi. 10G. Giraud.) Head black : body above and 

 beneath orange-yellow. Most of the inner webs of tail-feathers white. Female, brown, with three 

 bands of white on the head ; tail unspotted; lower wing-coverts yellow. Length, 8 -5. Rocky 

 Mountains. Texas. 



Genus Coccotiiraustes, Brisson. Bill large, robust, conical, not compressed. Upper mandible 

 rather broader than the lower ; the edges simply arched, and a little inflected. 



C. vespertina. (Aud. B. of A. Vol. 3, p. 217, pi. 207. Giraud, B. of Tex.) Yellow: front and line 

 over the eye yellow ; crown, wings and tail black ; secondaries and inner great wing-coverts white. 

 Young male : Head and back greyish drab; sides of the neck yellow ; abdomen and lower tail- 

 coverts white. Female, greyish drab; no yellow frontlet nor line over the eye ; tail-coverts black, 

 tipped with white ; inner web of tail-feathers white at tip. Length, 8 inches. Michigan, Mis- 

 souri, Texas. 



GENUS STRUTHUS. Boie. 



Bill small, conical, acute. Upper mandible slightly broadest, straight on the dorsal line ; the 

 edges nearly straight : lower mandible with the edges inflected. Nostrils concealed by 

 feathers. Wings short, rounded ; the second, third and fourth quills longest. Tail long, 

 emarginate. Palate with the rudiment of a tubercle. 



THE SNOW-BIRD. 



Struthus hyemalis. 



plate lx. fig. 138. 

 (STATE COLLECTION.) 



Fringilla hyemalis, Lin. Syst. Nat. 



F. nivalis (hudsonia). Wilson, Am. Orn. Vol. 2, p. 129, pi. 16, fig. 6. 



F. ( Spiza) hyemalis. Bonaparte, Ann. Lye. Vol. 2, p. 109. Audubon, folio, pi. 13. 



Black Finch. Richardson, F. B. A. Vol. 2, p. 259 (figure of head). 



F. hudsonia. Nutt. Man. Orn. Vol. 1, p. 491. Kirtland, Zool. Ohio, p. 183. Peabody, Birds of Mass. p. 324. 



Niphea hyemalis. Audubon, Birds of Am. Vol. 3, p. 88, pi. 147. 



N id., Common Snotc'bird. Giraud, Birds of Long island, p. 108. 



Characteristics. Bluish black : abdomen and lateral tail-feathers white. Female, light 

 grey inclining to brown. Length, six inches. 



19* 



