AMMODRAMVS. 4 1 3 



sides of the crown chiefly of the latter color ; lower parts entirely 

 buff, streaked on chest with dusky.) 



dK Colors of upper part usually not sharply contrasted ; chest often 

 nearly white, and frequently with the streaks duskj-, or black- 

 ish, and very sharply defined ; length 4.80-5.85. Mide : Wing 

 2.17-2.3G (2.27), tail 1.90-2.25 (2.06), cuimen .53-.59 (.57), depth 

 of bill at base .23-.27 (.25), tarsus .86-.91 (.89). Female: Wing 

 2.18-2.42 (2.23), tail 1.90-2.13 (1.98), cuimen .53-.58 (.56), depth 

 of bill at base .2.3-.26 (.24), tarsus .85-.87 (.86). E<jgs .76 X 

 .57, brownish white, finely sjjcckled or sprinkled with dull rusty 

 brown. Hab. Salt marshes of Atlantic coast, from Prince 

 Edward Island and Nova Scotia to North Carolina. 

 (61.) 549. A. caudacutus (Gjiel.). Sharp-tailed Sparrow. 



d.-. Colors of upper parts usually very sharplj' contrasted, especiallj' 

 the chalky white streaks of back, as compared with the rich 

 umber-brown ground-color ; chest and sides usually very deep 

 buff or ochraceous, never (?) very distinctly or sharplj' streaked 

 with duskj-. JIale: Wing 2.12-2.33 (2.24), tail 1.98-2.21 

 (2.07), cuimen .49-.53 (.51), depth of bill at base .23-.26 (.25), 

 tarsus .80-.87 (.84). Female: Wing 2.15-2.20 (2.18), tail 1.83- 

 2.09 (1.99), cuimen .50-.52 (.51), depth of bill at base .23-.26 

 (.25). tarsus .82-.85 (.83). Hab. Fresh-water mai'shes of east- 

 ern United States, chiefly in Mississippi Vallej'; east dui'ing 

 migrations to marshes of Atlantic coast (Massachusetts to 



South Carolina) 549fl. A. caudacutus nelsoni Allen. 



Nelson's Sparrow. 

 C-. Edge of wing and supraloral streak yellow ; no distinct superciliary 

 stripe ; malar stripe whitish. 



d\ Above nearlj' plain olivaceous, tinged with ashy, the wings and 

 tail more brownish; beneath grayish white, the chest streaked 

 with dull grayish. Young : Crown and back broadly streaked 

 with black ; lower parts buffj- white, the chest and sides streaked 

 with dusky. Length about 5.25-6.00, wing 2.40-2.55. tail 2.10- 

 2.25, cuimen .60-.67, tarsus .90-.95. Eggs .80 X -62, greenish 

 white or brownish white, coarsely speckled with umber-brown. 

 Hab. Salt marshes of Atlantic and Gulf coasts, from Massachu- 

 (62.) setts to Texas.. 550. A. maritimus (Wils.). Seaside Sparrow. 



d'. Above black, indistinctly streaked with olive and grayish ; beneath 

 white, broadly streaked on breast and sides with black ; edge 

 of wing and short stripe on sides of forehead bright yellow; 

 length 5.75-6.25 (5.95), wing 2.25-2,40, tail 2.10-2.50, cuimen 

 .50-.60, tarsus .80-.92. Hah. Southeastern Florida (marshes of 



Indian Kiver) 551. A. nigrescens IJinuw. 



Dusky Seaside Sparrow. 



