BIRDS 347 



individuals of G. fortis fortis, characterized by possession of a toothed 

 mandible. 



(6) GEOSPIZA SPEC. INC. Rothschild and Hartert. 1 



Geosptza spec. inc. ROTHSCHILD AND HARTERT, Novit. Zool., vi, p. 163, 



1899 (Chatham Island). 

 Range. Chatham. 



Described as resembling G. dentirostris in proportions, but lacking 

 the " tooth " of the upper mandible of that species. One adult male, 

 described by Rothschild and Hartert, taken on Chatham by Baur and 

 Adams. 



(c) GEOSPIZA BREVIROSTRIS Ridgway. 



Cactornis brevirostris RIDGWAY, Proc. U. S. Nat. Mus., xn, p. 108, 1890, 

 fig. 4; Bull. U. S. Nat. Mus., No. 50, Pt. I, p. 514, 1901. 



Geosptza conirostris bremrostris ROTHSCHILD AND HARTERT, Novit. Zool., vi, 

 p. 159, 1899 (Gardner Island, near Charles). 



Range. Charles. 



Described from an immature specimen collected by the Albatross. 

 Besides this specimen there is one taken by the Harris expedition and 

 described by Rothschild and Hartert as differing from G. conirostris 

 conirostris in having a slightly smaller and narrower beak. 



Family HIRUNDINID^E. 



Genus Progne Boie. 

 Progne BOIE, Isis, p. 971, 1826. 



Range. Temperate and tropical America. One peculiar Gal- 

 apagos species. 



71. PROGNE MODESTA (Neboux). 



Hirundo concolor GOULD, Proc. Zool. Soc. Lond., p. 22, 1837 (Galapagos 



Archipelago). 



Hirundo modesta NEBOUX, Rev. Zool., p. 291, 1840 (Charles Island). 

 Progne modesta RIDGWAY, Proc. U. S. Nat. Mus., xix, p. 505, 1896. 

 Progne concolor ROTHSCHILD AND HARTERT, Novit. Zool., vi, p. 152, 1899. 



Range. Charles, Chatham, Barrington, Indefatigable, Seymour, 

 James and Albemarle. 



This swallow is very abundant at some places in the archipelago. 

 We found it most numerous near Elizabeth Bay, on the north shore of 

 the southern half of Albemarle. We obtained it also at Tagus Cove 



1 This form has been named Geospiza harterti by Ridgway (Bull. U. S. Nat. 

 Mus., 50, Pt. i, p. 507, 1901) and its standing as a species confirmed later by 

 Rothschild and Hartert (Novit. Zool., ix, p. 397). 



