538 APPENDIX. 



Appendix 



The following species, cbiedy accidental visitors, 

 should be included as birds of our section. 



EARED GREBE. 



About the size of Horned Grebe, but bill smaller. 



Conspicuous cinnamon ear tufts in adult. Young and 



winter plumage, scarcely different. Western U. S. ; casual 



in Indiana. 



SHORT-BILLED GULL. 



Differs from Ring-billed Gull in being darker above; 

 no band on bill, which is green, with tip yellow, and 

 shorter. Difficult to distinguish in field in young stages. 



PIXTADO PETREL. 



Large, 15; head, wings, tip of tail and mottiings on 

 back, black; otherwise, incltiding patch on wing, white. 

 Southern Oceans, accidental off coast of Me. 



ALLIED SHEARWATER. 



Smaller than Audubon Shearwater, with black of 

 head not extending below eye. Australian seas; acci- 

 dental on Sable Island, N. S. 



