16 CHAEADRIID^. 



2. Wiltshire. Montagu Coll. 



4. Valkeuswaard, Hollaud, 7lli May Seebolim Coll. 



(//. Seebohin). 



4. Esthouia, Baltic Pro's. (Hiissow). Seebohm Coll. 



2. Spain, 20th April {H. Saunders). Seebohm Coll. 



2. Yarkand, Central Asia, 22nd April Hume Coll. 



(J. Scully). 



1. Yarkand, 28th April {J. S.). Hume Coll. 



Genus CH-ETUSIA, Bp. 



Chaetusia gregaria {Pall.). 



Charadrius gregarius, Thien. Fwtpjianz. yes. Toy. tab. ic. fig. 19 



(1845^54). 

 Vanellus gregarius, Baedeker, Eier Eur. Toy. tab. 6. tig. 2 (1855-6.3) ; 



Bree, Birds Eur. iv. p. 20, pi. — (1867) ; Seebohm, Geoyr. Dish: 



Charadriidte, p. 211 (1887) ; Poyntiny, Eyys of Brit. Birds, p. 59, 



pi. 15 (1895-6). 

 Chaetusia gi-egaria, Bree, Birds Eur. 2nd ed. iv. p. 162, pi. — (1875) ; 



Dresser, Birds Eur. vii. p. 527 (1876) ; Sharpe, Cat. Birds B. M. 



xxiv. p. 174 (1896) ; id., Hand-1. i. p. 151 (1899). 



Of the five eggs of the Sociable Lapwing in the Collection, two 

 are distinctly pyriform and three are somewhat sharply pointed 

 ovals. They are in every case gloss-less. The ground-colour is 

 olive-buff, and this is rather sparingly spotted and blotched with 

 dark brown or black and some underlying pale purple. The 

 markings are more prominent at the larger end than elsewhere. 

 The examples measure from 1'65 to !•[) in length, and from 1"3 to 

 1*36 in breadth. 



1. South Russia. Old Collection. 



4. South Russia, 14th April. Seebohm Coll. 



Genus STEPHANIBYX, Reichenh. 

 Stephanibyx coronatus {BodJ.). 



Charadrius coronatus, Thien. Fortpjlanz. yes. Toy. tab. Iviii. fie. 6 



(1845-54). 

 Vanellus coronatus, Ayres, Ibis, 1869, p. 300 ; Seebohm, Geoyr. Distr. 



Charadriidcc, p. 222 (1887). 

 Chastusia coronata, Hartiny, P. Z. S. 1874, p. 456. 



Chettusia coronata, Sharpe, ed. Layard, Birds S. Africa, p. 670 (1875-84) 

 Stei^hanibyx coronatus, Sharpe, Cat. Birds B M. xxiv. p. 178 (1896): 



id. Jiand-l. i. p. 152 (1899). 



The eggs of the Crowned Lapwing are pyriform, but the 

 proportion between the length and breadth varies considerably, 

 some specimens being short and broad, and others long and narroAv. 

 They have a slight trace of gloss. The ground-colour is of a lively 

 buff, rather delicately spotted and blotched with black and under- 

 lying purple. The eggs of this species are easily separable from 



