18 BIRDS OF EASTERN MASSACHUSETTS 



1O6. Leach's Petrel ; Mother Carey's Chicken 



Oceanodroma leucorhoa (Vieillot). Common M. off-shore; 

 occasional inland on lakes in fall. (Breeds on Maine coast.) 

 June 21; Sept. 1 - Nov. 25. 

 1O9. Wilson's Petrel ; Mother Carey's Chicken 



Oceanites ocednicus (Kuhl). Common S. V. off-shore 

 from Southern Hemisphere. June 17 - Sept. 23. Rarely 

 approaches land. (Breeds on Antarctic islands.) 



SULID^E. GANNETS. 



*115. Booby; Booby Gannet Sula leucogdstra 

 (Boddaert). Accidental from South. Cape Cod. Sept. 



117. Gannet ; Solan Goose Sula bassdna (Linne). 

 Common M. coastwise, especially in fall. Mar. 26 - June 7; 

 Aug. 3 - Dec. 21. 



PHALACROCORACID^E. CORMORANTS. 



119. Cormorant ; Shag 1 Phalacrocorax cdrbo (Lin- 

 ne"). Uncommon M. and rare W. R. coastwise. April - 

 May 14; Sept. 22- Nov. (winter). Salt water mainly. 



120. Double-crested Cormorant Phalacrocorax 

 auritus auritus (Lesson). Common M. coastwise, casual in- 

 land. April 4 - June 18 (July 7; Aug. 22 - Nov. 24. 



PELECANID^E. PELICANS. 



125. White Pelican Pelecdnus evythrorhynchos 

 Gmelin. Accidental from South. May; Oct. Gloucester, 

 N. Scituate, Sandwich. 



*126. Brown Pelican Pelecanus occidentdlis~Liun. 

 Accidental from South, coastwise. Nantucket, about 1867 

 (Ipswich?). 



FREGATID^E. FRIGATE-BIRDS. 



*128. Man-o'- war-bird; Frigate-bird Fregdta 

 dquila (Linne). Accidental from South, coastwise. Autumn. 



ANATID^E. DUCKS, GEESE, AND SWANS. 



129. Merganser; Goosander; Pond Shel- 

 drake Mergus americdnus Cassin. Not uncommon M. and 

 frequent W. R. ; most plentiful in spring. Oct. 12 May 

 (summer). Frequents especially the freshwater lakes and 

 larger streams but is also found in small numbers at river- 

 mouths along-shore in salt water. 



