HYPOTHETICAL LIST. 33 I 



The type-specimen, taken at Waltham, Mass., remains unique. It 

 cannot be identified with any known species, but may be a hybrid 

 between Acanthis linaria and Spinus pinus. (Cf. Brewst. Bull. Nutt. 

 Orn. Club, VI. 1881, p. 225.) 



18. Spiza to-^nsendii (Aud.). 



Townsend's Bunting. 



Emberiza townsendii Aud. Orn. Biog. II. 1834, 183. 

 Spiza townsendii Ridgw. Pr. U. S. Nat. Mus. III. Aug. 24, 1880, 

 182. 



[B 379, C 192, R 255, C 288.] 

 The original specimen, taken May 11, 1833, in Chester County, 

 Pa., by Mr. J. K. Townsend, remains unique. Its peculiarities can- 

 not be accounted for by hybridism, nor probably by individual varia- 

 tion. 



Family VIREONID^. 



Genus HYLOPHILUS Temminck. 



Hylophilus Temm. PI. Col. III. Livr. 29, 1823, text, and pi. 173, 

 fig. I. Type, H. thoracicus Temm. 



19. Hylophilus decurtatus (Bonap.). 



Short-'winged Hylophilus. 



Sylvicola decurtata Bonap. P. Z. S. 1837, 118. 

 Hylophilus decurtatus Baird, Rev. Am. B. I. 1866, 380. 

 [B— , C-, R— , C-.] 

 Geog. Dist. — Mexico and Central America, to Isthmus of Panama. 

 Southern Texas ? {Helinai brevipennis Giraud, Ann. Lye. N. Y. 

 1850, 40. "Mexico and Texas.") 



Family MNIOTILTID^. 



20. Helmiuthophila latvrencei (Herrick). 



liawrence's Warbler. 



Helminthophaga lawrencei Herrick, Pr. Ac. Nat. Sci. Phila. 



1874, 22o,pl. 15. 

 Helminthophila lawrencei Ridgw. Bull. Nutt. Orn. Club. VII, 



Jan. 1882, 53. 



