448 



ZOOLOGY BIEDS. 



young were hatched. The time for laying eggs probably varies considerably, 

 as, during the month of July, the young were seen at various places in 

 New Mexico. 



FAM. RECURVIROSTRIDAE : STILTS AND AVOCETS. 



RECUR VIROSTRA AMERICANA, Gmel. 

 American Avocet. 



Rfcunnrostra americana, GMEL., Syst. Nat., i, 1788, G93. BD., Stans. Rep. Exp. Great 

 Salt Lake, 1852, 320. WOODH., Sitgreave's Exp. Zufii & Col. Riv., 1854, 

 100 (Indian Territory; New Mexico). BD., Ives' Col. Exped., 1857-58, pt. 

 iv, C. Id., Birds N. A., 1858, 70S. XANTUS, Proc. Acad. Nat. Sci. Phila,, 

 1859, 192 (Fort Tejon, Cal.). BD., U. S. & Mex. Bound. Surv., ii, pt. ii, 

 1859, Birds, 25. COOP. & SUCKL., P. R. R. Rep., xii, pt. ii, I860, 234. 

 HENRY, Proc. Acad. Nat. Sci. Phila., 1859, 108 (New Mexico). HAYD., 

 Rep., 1862, 173 (Yellowstone). COUES, Proc. Acad. Nat. Sci. Phila., 18CG, 

 97 (Arizona). STEV., U. S. Geol. Surv. Terr., 1870, 460 (North Platte). 

 COUES, Proc. Acad. Nat. Sci. Phila., 1871, 33. ALLEN, Bui. Mus. Comp. 

 Zool., iii, 1872, 182 (Great Salt Lake). COUES, Key N. A. Birds, 1872, 147, 

 f. 159. SNOW, Birds Kan., 1872, 13. AIKEN, Proc. Bost. Soc. Nat. Hist,, 

 xv, 1872, 209 (Arkansas River). MERRIAM, U. S. Geol. Surv. Terr., 1872, 

 701. ALLEN, Proc. Bost. Soc. Nat. Hist., June, 1874, 36. YARROW & HEN- 

 SHAW, Rep. Orn. Specs., 1872, Wheeler's Exped., 1874, 29. HENSUAW, 

 Rep. Orn. Specs., 1873, Wheeler's Exped., 1874, 69, 93, 145. COUES, Birds 

 Northwest, 1874, 460. 



Recurvlrostra occidentalis, BD., Stans. Rep. Exp. Great Salt Lakr, 1852, 326. NEWB., 

 P. R. Rep., 1857, vi, 99. (Young.) 



In Utah and Colorado, the Avocet is a common summer resident, though 

 occurring in these Territories in greater abundance during the migrations, 

 when on the way in spring to more northern breeding resorts, and in fall 



