84 LAEID Ji. 



sP, a\ S ? inuii- Payta, Peru, Jau. {Adml. A. H. Saunders Coll. 



sk. S- Markham). 



¥. Sternum. Jamaica. Gosse Coll. 



14. Sterna elegans. 



Sterna elegans, Gambol, Pr. Philad. Acad. iv. p. 129 (1848 r 



Mazatlan) : Baird, Cass.. i|- Lmvr. Birds A". Amer. p. 860 (1858), 



ed. 1860, Atlas , pi. 94 ;' Gray, Hand-l. B. iii. p. 120, no. 11056 



(1871) ; Saimders, P. Z. S. 1876, p. 653 (revision) ; Ridgiv. Bidl. 



U.fS. Nat. Mns. no. 21, p. 53 (1881) ; Coues, Gheck-l. N. Amer. 



B. p. 123 (1882) ; Saimders, P. Z. S. 1882, p. 521 (Peru & CliiU) ; 



Coues, Ket/ N. A7ner. B. 2Dd ed. p. 760 (1884) ; Baird, Breio., 



^ Ridyio. Water-B. N. Amer. ii. p. 287 (1884) ; Taczan. Orn. 



Perou,m. p. 442 (1886) ; Pidyto. Man. N. Amer. B. p. 40 (1887) ; 



Berl. 8r Stolzvi. P. Z. S. 1892, p. 400 (Peru). 

 Thalasseus elegans. Gambel, Journ. Philad. Acad. ser. 2, i. p. 228 



(1849) ; Bp. C. P. xlii. p. 772 (18.56) ; Coues, Pr. Philad. Acad. 



1862, p. 540 ; id. Ibis, 1864, p. 389 (San Salvador) ; Salvin, Ibis, 



1866, p. 198 (Fonseca Bay). 

 ? Sterna gavi, Bj). C. R. xlii. p. 772, no. 114 (1856) ; Gray, Hand-l. 



B. iii. p. "119, no. 11049 (1871 : Chili). 

 Sterna comata, Phil. S,- Landh. Wieym. Arch. 186.3, pt. 1, p. 126 



(Chili). 

 Sterna galericulata, Scl. et Salv. P. Z. S. 1871, p. 568-9, fig. 2 (nee 



Licht.) : lid. Nomencl. Av. Neotr. p. 147 (1873) ; Coues, Key N. 



Amer. B. p. 319 (1872) ; Lawr. Mem. Bost. Sac. N. H. ii. p. 317 



(1874: Mazatlan). 

 Sterna (Thalasseus) galericulata, Coues, B. K.- West, p. 671 (1874) : 



id. Key N. Amer. B. 2nd ed. p. 760 (1884). 

 Phaethusa elegans, Heine c^ Reichenoio, Nomencl. Mus. Hein. p. 355 



(1890 : partim, as regards Chili). 



Adult in ireeding-phimage. Smaller than S. maxima, with au~ 

 absolutely longer and much slenderer biU ; the black of the upper 

 lores runs completely into the posterior portion of the nostril, the 

 mantle is a shade darker than inVthe last species and the tail is 

 rather more conspicuously white ; otherwise the plumages are 

 similar : hill bright orange-red, tarsi and toes black, .soles yellow. 

 Total length 16-5 inches, culmen 2-8, wing 12-25, tail 6-5, depth 

 of fork 3, tarsus 1-2, middle toe with claw 1-3. 



Adxdt in winter. Similar, but with a white forehead. 



Immatiire and Young. As in the preceding species : in the bird of 

 the year the hill is blackish and much shorter than in the adult. 



Hab. Pacific coast of America from Southern California to 

 Valdivia, Chile ; once on the Atlantic side, at Corpirs Christi, Texas. 

 The specimen in the Salvin-Godman Coll. from the last locality is 

 decidedly this species and not the next. 



a. (J imm. sk. Corpus Christi, Texas, July Salvin-Godman Coll. 



(F. B. Armstrony). 

 h. Imm. sk. La Union, San Salvador, Dec. Salvin-Godman Coll. 



(0. S.). 

 c. S ad. sk. Sau Mateo, Tehuantepec, Salvin-Godman Coll. 



March [F. Sumichrast). 



