646 APPENDIX B. 



7. (42). Larus glaucus (Biunn). 



GLAUCOUS GULL ; BURGOMASTER. 



Indiana. — Occasional visitor on Lake Michigan. — Butler. 



Michigan. — Rare. — Cook. 



Ontario. — Lake Ontario. — Mcllwraith. , 



8. (s8). Larus atricilla Linn. 



LAUGHING GULL. 



Pennsylvania. — Not common migrant on Delaware river and larger streams. — Warren. 

 Michigan. — Divergent opinions as to abundance, but several positive records. — Cook 



9- (59). Larus franklinii Sw. and Rich. 



FRANKLIN GULL. 



Indiana. — Occasional Migrant; has been several times seen in Michigan City. — Butler. 

 Michigan. — Not rare on Lake Michigan during winter and Spring. — Gibbs (Cook). 

 Ontario. — Hamilton, two records; others probable. — Mcllwraith. 



10. (65). Sterna maxima Bodd. 



ROYAL TERN. 



Pennsylvania. — Very rare and irregular visitor, — Warren. 

 Michigan. — Rare on Lake Michigan. — Cook. 



11. (71). Sterna paradisaea (Brunn). 



ARCTIC TERN. 



Pennsylvania. — Very rare straggler in eastern Pennsylvania. — Warren. 

 Michigan. — Cook. 

 Ontario. — Mcllwraith. 



12. (iSS). Histrionicus histrionicus (Linn.). 



HARLEQUIN DUCK. 



Michigan. — Very rare. — Cook. 



Ontario. — Lake Ontario, rare. — Mcllwraith. 



r3. (166). Oidemia perspicillata (Linn.). 



SURE SCOTER. 



Pennsylvania. — Rather rare migrant and winter resident. One specimen obtained from 



flock of twenty at Erie. — Warren. 

 Michigan. — Very rare; winter visitor. — Cook. 

 Ontario. — Lake Ontario in limited numbers. — Mlcllwraith. 



