ERRATA. 
To those indebted for aid add the 
names of Mr. H. V. Greenough, Dr. 
A. L. Reagh, and Mr. F. H. Allen. 
No. 20. Read September 15 to Octo- 
ber 4. 
No. 172. Astrogalinns, read Astra- 
galinns. 
No. 174. Yostrata, read rostrata, 
and (Cones), read (Cones). 
No. 181 should have followed No. 
154. 
1839. empidojiax, read Empidonax ; 0. 
dennsile anica^ read D. pennsilvanica. 
1881. Rethven, read Ruthven. 
1882. 3felanops, read Melanerpes. 
1890. Filiated, reaa Pileated. 
1894. Bnteo lineatns, read Buteo 
lineatus. 
1895. Carduelis cardnelis, read Car- 
duelis carduelis. 
1898. Geothlypis brachidactyla, read 
Geothlypis t. brachidactyla . 
