342 NEW YORK STATE MUSEUM 



Right lateral view, natural size, of the skull (with mandible) of the 

 Trumpeter swan (Olor columbianus). From a photograph 

 of the specimen by the author, who prepared the skeleton from a 

 bird presented to him by Mr G. Frean Morcom, who purchased it 

 in the Chicago markets. Subsequently it was presented to the 

 United States National Museum by the author, where it now is 

 [Specimen no. 18509; bird series of the Osteological Collection]. 



