190 UNIVERSITY OF COLORADO STUDIES 



Pisobia minutilla, Least Sandpiper (242) 



Migrant; probably common about the lakes of the Plains. Noted ;May 12 

 and August 6. Common at the Barr Lakes. 

 [Limosa fedoa, Marbled Godwit (249)] 



Occurs regularly in migration at the Barr Lakes. 



Totanus melanoleucus, Greater Yellow-legs (254) 



Migrant; probably of common occurrence about the lakes of the Plains, 

 though not so numerous as the following species. It has been noted April 21, May 

 5 and September 28. 



Totanus flavipes, Yellow-legs (255) 



Migrant; common about lakes of the Plains. It has been noted, May 5, 

 July 9 and between July 27 and September 28. 



Helodramus solitarius cinnamomeus, Western Solitary Sandpiper (256a) 



Migrant; common about the lakes and wet meadows of the Plains. It has 

 been noted between May 5 and 8 in the spring and between July 27 and Sep- 

 tember 10 in the fall, always in small numbers. 



Catoptrophorus semipalmatus inornalus, Western Willet (258a) 



One was seen by the writer on August 13, 1010. The species probably occurs 

 regularly as it is "very common" at the Barr Lakes. 



[Bartramia longicaitda, Upland Plover (261)] 



Occurs regularly as a summer resident at the Barr Lakes, though it does not 

 appear to be common. 



Actitis macularia, Spotted Sandpiper (263) 



Summer resident; infrequent on the Plains and common about the lakes of 

 the Mountain zone as high as 10,500 feet (Long Lake). Arrives, May 5-8 

 (2 records); seen at 10,000 feet on May 31 by Gale; leaves, September 10-22 

 (2 records). Several sets of eggs collected by Gale were dated June 8 to July 14, 

 at elevations of 8,500 to about 10,500 feet; two sets were found by the writer on 

 July 3 and 5 at about 10,000 feet. 



Numenius americanus, Long-billed Curlew (264) 



Migrant; probably common on the Plains. The only definite migration 

 dates are April 15-21, 1912. Gale saw three in the county May 10, 1888, and, on 

 other occasions, collected several sets of eggs (one on May 4) without definite 

 locality records. He also listed it for the "mountain" region. Hunters report 

 it from the lakes. It is common at the Barr Lakes. 



