72 AMHODROHUS. 687 



variation, as, for instance, when the " bills of the three forms inter- 

 grade : " and, again, certain specimens " suggest the inquiry whether 

 some inland marshes may not furnish a regular supply of connecting 

 links between A. nelsoni and the new race " (A. subvirgatus). Hence 

 I have for the present united them all under one heading. 



Hah. Salt marshes of Eastern North America, and the freshwater 

 marshes of the Mississippi-valley region. 



a. Ad. sk. North America. Purchased. 



b. Ad. sk. North America. Salvin-Godruan Coll. 



c. Ad.sk. Pennsylvania (Cassin). Sclater Coll. 



d. Juv. sk. Point Judith, Rhode Island, E. B. Sharpe, Esq. 



Sept. 5, 1876 (F. T. Jencks). [P.]. 



e. c? ad. sk. Oyster Bay, Long Island, July U.S. Nat. Mus. [P.], 



14, 1875 {Roosevelt). 



f. Ad. sk. Scarborough, Maine, Oct. 29, H. K. Coale, Esq. 



1879. [P.]. 



g. $ ad. sk. Revere, Massachusetts, Oct. R. B. Sharpe, Esq. 



18, 1879 (H. M. Spelman). \Y.~\. 



h. $ ad. sk. Cambridge, Massachusetts, Salviu-Godman Coll. 



Oct. 5 (H. W. Henshaw ; 



Sm. no. 63340). 

 i. Ad. st. North America. Purchased. 



4. Ammodromus savannarum. 



The Savanna Bird, Sloane, Nat. Hist. Jamaica, ii. p. 306, tab. 2-59. 



fig. 3 (1725). 

 Le Moineau de la Jamai'que, Briss. Orn. iii. p. 99 (1760). 

 Savanua Finch, Lath. Gen. Syn. ii. pt. i. p. 270 (1783). 

 Fringilla savannarum, Gm. Syst. Nat. i. p. 921 (1788). 

 Fringilla passerina, Wils. Amer. Orn. iii. p. 76, pi. 24. fig. 5 (1811) ; 



Audub. B. Amer. pi. 130 : id. Orn. Biogr. ii. p. 180 (1834), v. 



p. 497 (1839). 

 Fringilla (Spiza) passerina, Bp. Obs. Wils. no. iii. (1825). 

 Ammodromus bimaculatus, Swains. Phil. Mag. new ser. i. p. 435 



(1827) ; Gray, Gen. B. ii. p. 374 (1849) ; Bp. Consp. i. p. 482 



(1850) ; Gray, Hand-l. B. ii. p. 96, no. 7418 (1870). 

 Emberiza passerina, Jard. ed. Wils. Amer. Orn. i. p. 365, pi. 24. fig. 5 



(1832); Audub. Syn. p. 103 (1839) ; id. B. Amer. 8vo, iii. p. 79, 



pi. 162 (1841) ; Giraud, B. Long Isl. p. 103 (1844) ; Lembeye, Av. 



Cuba, p. 56 (1850). 

 Coturniculus passerinus, Bp. Comp. List B. Ear. 8,- N. Amer. p. 32 



(1838); Cab. J. f. O. 1856, p. 6; Baird, B. N. Amer. p. 450 



(1858); id. Mex. Bound. Surv. ii. Birds, p. 15 (1858); Scl. $ 



Salv. Jbis, 1859, p. 18 ; Sol. P. Z. S. 1859, p. 379; Cab. J. f. O. 



1860, p. 411 ; Scl, Cat. Amer. B. p. 116 (1862) ; March, Proc. 



Philad. Acad. 1863, p. 298 ; Dresser, Pjis, 1865, p. 487 ; Lawr. 



Ann. Lye. N. Y. ix. p. 103 (1808) ; Frantz. J. f. O. 1869, p. 301 ; 



Samichr. Mem. Bost. Soc. i. p. 552 (1869) ; Cooper, B. Calif. 



p. 189 (1870) ; Allen, Bull. Mus. Comp. Zool. Cambr. iii. pp. 136, 



177 (1872) ; Coues, Key N. Amer. B. p. 137 (1872) ; Scl. «§■ Salv. 



Nomencl. Av. Neotr. p. 32 (1873) ; Baird, Brewer, fy Bidgw. Hist. 



N. Amer. B. i. p. 553, pi. 25. fig. 4 (1874) ; Later. Mem. Bost. 



Soc. N. H. ii. p. 277 (1874) ; Coues, B. N.-West, p. 131 (1874) ; 



Gundl, Orn. Cuba, p. 90 (1876) ; Lawr. Bull. U.S. Nat. Mus. iv. 



