89. A. interpres 



9U. S. sqwitarola 



Itl. //. ktirdi 



92. T. mhvitillu 



93. //. incanuH 



94. //. solitarias 



95. N. hudsonicus 



06. If. mcxicamis 



! 97. L.fuliginosus 



! 98. A./urcata 



99. S.fuliginosa 



( 204 ) 



Genus ARENARIA. 

 . (Migrant.) 



Genus SQUATAROLA. 

 . (Migrant.) 



Genus HETEROPYGIA. 

 . (Migrant.) 



Genus TRINGA. 



. (Migrant.) 



Genus HETERACTITIS. 

 . (Migrant.) 



Genus HELODROMAS. 

 . (Migrant.) 



Genus NUMENIUS. 

 . (Migrant.) 



Genus HIMANTOPUS. 



. Several of tlie islands. 



Genus LARUS. 



. Generally distributed. 



Genus XEMA. 



. Generally (lisfril)uk'il anil on Oocos Island. 



Genus STERNA. 



. Wenman, Cnlpepper. (Breeding.) 



Genus ANGUS. 

 ! ImO. a. Htolidus galapagensis . . Generally distributed. 



Genus STER(J0RAHIUS. 

 101. S. pomannu.i .... (Accidental.) 



