CONTENTS. 



Standing Committees for 1866 3 



A Study of the Icteridae. By John Oassin 10 



A Critical Review of the Family Procellariidae : Part III ; em- 

 bracing the Fulmarese. By Elliott Coues, A.M., M.D 25 



Description of twelve New Species of Unionidae from South 



America. By Isaac Lea... 33 



Fasti Ornithologise. By John Cassiu 35 



List of the Birds of Fort Whipple, Arizona ; with which are incor- 

 porated all other species ascertained to inhabit the Territory ; 

 with brief critical and field Notes, descriptions of new species, 

 etc. By Elliott Coues, A.M., M.D 39 



