346 



SNODGRASS AND HELLER 



ino" a song resembling tlee-lee-oo^ tree-lee-oo^ tlee-lec-oo. The conso- 

 nant sound was various and is hai-d to represent by the sound of letters. 

 Another bird was heard uttering a song sounding like chee-you-hoo ^ 

 chee-you-hoo^ chee-you-hoo. The space between the second and third 

 syllables in each set was longer than that between the first and second, 

 A third bird sang the following song : chee-ee-oo^ chee-ee-oo^ chee-ee- 

 00. Another sang c^^^'-wcc, cJie'e' -woo., chee'-woo. Still another bird 

 sang a song resembling twee' -ff r' r' r-rvoii ., the r-sound in the second 

 syllable being trilled. 



MEASUREMENTS OF ADULT SPECIMENS OF GeOS^iztt COHirOStris 



conirostrts. 



The following are species of doubtful existence. It may be that 

 the types from which they were described are simply "aberrant" 

 forms of some of the well established species. In any case there is 

 not at present enough material in museums to decide their status. 



(a) GEOSPIZA DENTIROSTRIS Gould. 



Geospiza dentirostris Gould, Proc. Zool. See. Lend., p. 6, 1837 ; Zool. Voy. 

 Beagle, iii, Birds, p. 102, 1841. — Ridgway, Proc. U. S. Nat. Mus., 

 XIX, p. 532, 1896 ; Bull. U. S. Nat. Mus., 50, Pt. i, p. 507, 1901. — Roth- 

 schild AND Hartert, Novit. Zool., VI, p. 163, 1899. 



Range. — Charles. 



Described from specimens in the British Museum taken by Dar- 

 win. No specimens referable to it taken since. Probably aberrant 



