LIMICOL^. 71 



93. (243a.) PELIDNA ALPINA PACIFICA (Cous). 210. 



Red-backed Sandpiper. 



Synonyms: Tringa alpina var. americana, Pelidna alpina amer- 

 icana, P. pacifica, Tringa schinzii. 



American Dunlin, Black-breast, Black-bellied Sandpiper, Ox 



Bird. 

 Kirtland, Ohio Geol. Surv., 1838, 165, 185. 



There has apparently been a considerable decrease in the 

 numbers of this species since Dr. Wheaton prepared his 

 catalogue. It is nowhere given as common in the state. It 

 is rare in Lorain county at any time of year, but has been 

 recorded more often in the autumn than during the spring 

 migrations. It is strictly a migrant across the state. 



Migration dates are too few to be of service in determin- 

 ing the time of migration, but they indicate a northward 

 movement during late April or early May, continuing well 

 toward the close of May; and a return late in September 

 or early October. 



94. (246.) EREUNETES PUSILLUS (Linn.). 211. 



Semipalmated Sandpiper. 



Synonyms: Ereunetes petrificatus, Tringa pusilla. 



Peep. 

 Wheaton, Ohio Agri. Report, 1860, 369. 



This and the Least Sandpiper might easily be confused 

 by any one not familiar with the two species. The differ- 

 ence in size would hardly be apparent unless the birds were 

 near together. It is reported generally as not common dur- 

 ing the migrations, but may be in some localities during fa- 

 vorable seasons. They often mingle with the Least Sand- 

 pipers in the fall at the common feeding-grounds of the 

 shore birds. Both species, with many others, were recorded 

 at the lagoon on Middle Bass Island during the first week of 

 August, 1901, by Mr. Dawson and myself. 



They appear to migrate somewhat earlier than the Least 

 Sandpipers, in spring, but may return with them. 



