PROCEEDINGS OF THE NATIONAL MUSEUM. 



517 



(skiij), 5.75; wing, 3; tail, 1.82; culmen, 0.91; gouys, 0.50; width of 

 imder mandible at base, 0.48; depth of bill at base, 0.08; tarsus, 0.95; 

 middle toe, 0.73. 



Tmniatitre (f) female. — I^o. 110077, U.S.N.M.; same locality, etc. 

 Above dull sooty ; auterior lower parts similar, but indistinctly strealied 

 with pale grayish buflt'y, this gradually increasing posteriorly until it 

 beconu^s the i^revailing color and the sooty reduced to broad streaks. 

 Length (skin), 5.70; wing, 3; tail, 1.80; culmen, 0.89; gonys, 0.50; 

 width of lower mandible at base, 0.47; depth of bill at base, 0.62; 

 tarsus, 0.92; middle toe, 0.G7. Bill intermediate in color between that 

 of adult female and immature male described above. 



Three additional adults (two of them males, the third with sex not 

 determined) agree minutely in form and size of bill and other measure- 

 ments with the adult specimens described, one of the males being like 

 the type in coloration while the other corresponds in plumage with the 

 adult female described. 



Measurements of Geosp'ca conirostris. 



GEOSPIZA MEDIA, Ridgway. 



(Plato LVII, tig. 13.) 



Geospiza media, Ridgway, Proc. U. S. Nat. Mus., XII, No. 767, Feb. 5, 1890, p. 

 107, fig. 3 (Hood Island, Galapagos Archipelago; collection U. S. Nat, Mus.). 



Speeific characiers. — Similar to G. conirostris^ but slightly smaller, 

 with bill much smaller and less elongated. 



Range. — Galapagos Archipelago: Hood Island [Albatross). 



Adult male.— TyY>e,^o. 110072, U.S.N.M.; Hood Island, Galapagos, 

 April 7, 1888; C. H. Townsend. Uniform dull black, the under tail- 

 coverts broadly margined with buffy white; bill, legs, and feet wholly 

 black. Length (skin), 5.50; wing, 3.10; tail, 1.90; culmen, 0.80; gonys, 

 0.42; width of mandible at base, 0.45; depth of bill at base, 0.02; 

 tarsus, 0.90; middle toe, 0.65. 



Immature maJe.^.—^o. 149829, U.S.N.M.; same locality, etc. Uni- 

 form sooty blackish brown, with edges of primaries (narrowly) aud of 



