ERRATA, 
Owing to the absence of the author, and the haste with which this paper has been put through 
the press, the writer had no opportunity to correct the proofs, and in consequence a number of 
typographical errors are present—the most important of which are detailed in the following list. 
Page 59, in place of © sencica” read ‘“suecica.” 
Page 60, in place of “sylvai” read “ sylvia.” 
Page 63, in place of “clata” read “ celata.” 
Page 64, in place of ‘¢ myrodioctes ” read “ myiodioctes.” 
Page 66, in place of “ cucoptera ” read “ leucoptera.” 
Page 70, in place of “alandinus” read “ alaudinus.” 
Page 72, in place of P.iliaca” read ‘* No. 44 Passerella iliaca townsendi.” 
Page 74, in place of “ alandidie” read “ alaudidie.” 
Page 76, strike out one “a” in “ virginiaanus.” 
Page 77, in place of “swinia” read “surnia”; in place of “ candicaus” read “caudicans.” 
Page 79, in place of “ sanctic” read ‘ sancti.” 
Page 80, strike out one “e” in “ Haliaeetus;” for “ Tetracnidie” read “ Tetraonidie.” 
Page 81, for “ruspestris ” read “ rupestris.” 
Through an error the notes under numbers 78 and 79 were not placed under a single heading. 
Page 82, for “ occidentalis” read & atkhensis.” 
Page 85, for “ scolopacenus” read “ scolopaceus”; for “maritima” read ‘ couesi, Ridg.” 
Page S87, for “ pygranus” read “ pygmieus.” 
Page 89, for“ flairipes ” read “ flavipes.” 
Page 93, for “ albifrous ” read “ albifrons.” 
Page 103, for “ groculidee ” read “ graculida.” 
Page 107, ‘Larus cachinnans” appears under two headings by an error. 
Page 112, for “ fulmorus ” read “fulmarus ” and space between this word and the next. 
Page 114, for “ Polb6lli” read “ Holbolli.” 
Page 115, for “seplentrionalis ” read septentrionalis”; for “ corinculala” read “ corniculata.” 
Page 116, for  Simorhynehut cristatelhus” read “ Simorhynchus cristatellus”; for “antiguus” 
read “antiquus.” 
