246 HIKUNDINIDJE. 



Genus PETROCHELIDON, Cah. 



The eggs of the Swallows of this gcuus arc of a regular oval 

 shape, and they exhibit a small amount of gloss. Those of some 

 si>ecies arc plain white, those of otliers spotted. 



The eggs of the Wliite-rumpcd Cliff-Swallow are of a white 

 colour, minutel}' speckled, chicllY at the broad end, with rufous and 

 lavender. They measure from "04 to "72 in length, and from 'b to 

 •57 in breadth. 



1. South Australia {G. F. Any as). Gould Coll, 



2. New South Wales ( Wilson). Gould Coll. 



3. New South Wales, 18th Oct. {A.J. Crowley liequest. 



North). 



Petrochelidon pyrrhonota ( Vieilh). 



Ilirundo luuifrons, Brewer, N. Amer. Ool. pt. i. p. 94, pi. v. ligs. 08-73 



(1856). 

 Petrochelidou luuifrons. Baud, Brewer S( Bulyio. N. Avicr. Birds, i. 



p. 334 (1874). 

 Petrochelidon pyrrhonota, Salv. S,- Godm. Biol. Ccnfr.-Amer., Aves, i. 



p. 226 (1883); ISharpe, Cat. Birds B. M. x. p. 103 (1885); id. Hf 



Wyntt, 3Io7i. Hirundinidce, ii. p. 531 (1885-94) ; Scl. iSj- JIuds. Aryent. 



Orn. i. p. 30 (1888) ; Nchrlc. Kat. Eiersamml. p. 87 (1899); ^harpc, 



JiOTK/-^. iii. p. 201 (1901). 



The eggs of the North-American Cliff-Swallow are white, coarsely 

 speckled and blotched witli various shades of bi'own, chestnut, and 

 lavender. Tlie markings are densest at the broad end. Specimens 

 measure from '75 to 'So in length, and from '53 to '57 in 

 breadth. 



5. North America. Salvin-Godman Coll. 



4. North America {Ilenshaio Coll.). Salvin-Godman Cull. 



5. North America. Crowley Bequest. 

 4. liocky Mountains {D. G. Elliot : Crowley Becjiiest. 



Tristram Coll.). 



4. Pembina, Dakota {Iloishmv Coll.). Salvin-Godman Coll. 



5. Mauitiiba, 5th Aug. (G. M. N. Amer. Bound. Comm. 



Dawson). 



