BIRDS OF EASTERN MASSACHUSETTS. 
157 
Common at Ipswich in autumn. Abundant on the south 
shore during the breeding-season. Breeds on Muskegat 
Island abundantly j generally building a nest of sticks in a 
hollow among the Sand-hills. 
277. Sterna Antillarum, Coues. — Least Tern, 
‘‘Jack-knife Gull.” Not as common as the preceding. 
Breeds later, not until July; lays from one to four eggs. 
Have found a few breeding at Ipswich. Also breeds on 
Nantucket. 
Forster’s Tern (Sterna Forsteri% Nutt). This species 
appears to differ from hirundo in having the outer web of 
the outer tail-feather white, I have never met with it. 
278. Hydrochelidon fissipes, Gkay. — Short-tailed 
Tern, Bare in autumn. Mr. J. F. Le Baron shot a speci- 
men at Ipswich, August II, and saw another. 
279. Haliplana fuliginosa, Wage. — Sooty Tern, 
Mr. Samuels says he “ found it breeding on Muskegat 
Island.” I think it occurs rarely. 
PBOCELLARIDtF, — The Petrels. 
280. Pufiinus major, Faber. — Greater Shearwater. 
Not uncommon off the coast in winter. 
281. PuHinus Anglorum, *Temm. — Shear- 
water, Bare off the coast in winter. 
282. Pufiinus fuliginosus, Strickl. — Sooty Shear- 
water, Common off the coast during spring, autumn, and 
winter. 
283. Procellaria pelagica, — Stormy Petrel, 
Bare off the coast. 
284. Oceanites oceanica, Coues. — Wilson’s Petrel, 
Common off the coast. 
285. Cymochorea leucorrhoa, Coues. — LeacNs 
Petrel, Abundant off the coast. This and the two pre- 
