60 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



coon Key; New Found Harbor; Key West; Kiding Key; West 

 Cudjoes Key; Boca Grande). 



Tyye locality. — Big Pine Key, Fla. 



(?) Rallus crepitans scottii Fowzer, Auk, xxiii, 1906, 398 (West Cudjoes and 

 Riding Keys, s. Florida). 



(?) RaUus Jougirostris crepitans Scott, Auk, vi, 1889, 153 (Anclote Keys and 

 Key West, Fla.). 



Rallus longlrostris insularum Brooks (W. S.), Proc. New England Zool. Club, 

 vii, 1920, 53 (Big Pine Key, s. Florida). — Oberholsb3:, Auk, xxxviii, 1921, 

 265.— Baiij)y, Birds Florida, 1925, 42, pi. 23 (col. fig.; distr. ; Florida).— 

 Bangs, Bull. Mus. Comp. Zool., Ixx, 1930, 167 (type specimen in Mus. 

 Comp. Zool., crit.). — American Onithologists' Union, Check-list North 

 Amer. Birds, ed. 4, 1931, 96.— Howell, Florida Bird Life, 1932, 205 (genl.; 

 Florida). — Peters, Check-list Birds of World, ii, 1934, 157. — Oberholseb, 

 Proe. U. S. Nat. Mus., Ixxxiv, 1937, 348 (monogr. ; crit.). 



Rallus lonffirostris hclius Bartsch, Year Book 18, Carnegie Inst. Wash., for 

 1919 (1920), 210 (Florida Keys).— Brooks, Proc. New England Zool. Club, 

 vii, 1920, 54 in test. — Ohebholseb, Proc. Biol. Soc. Washington, xxxiii, 

 1920, 33 (Sixth Key in Newfound Harbor group, sw. of Big Pine Key, 

 s. Florida; coll. U. S. Nat. Mus.) ; Auk, xxxviii, 1921, 265. 



RALLUS LONGIROSTRIS SATURATUS RidgTray 



Louisiana Clapper Rail 



Adult (sexes alike). — Similar to Rallus longirostris crepitans but 

 smaller and much darker and browner, more cinnamomeous on breast. 

 There are two main phases differing in the color of the dark centers 

 of the feathers of the upper parts of the body. 



Adult^ pale phase (sexes alike). — Centers of dorsal feathers dark 

 buify brown to pale olive-brown, the edges varying from nearly pure 

 deep gull gray to olive-gray and brownish olive-gray ; flanks darker 

 than in crepitans — ^liair brown to dark hair brown, with the white 

 bars averaging a little wider; lower throat and breast usually defi- 

 nitely pale light pinkish cinnamon, not chiefly grayish, the sides of 

 the neck and the upper breast washed with grayish (rarely birds 

 occur that are as gray as crepitans in these areas), supraloral stripe 

 averaging whiter than in crepitans; iris orange ; culmen dusky, gonys 

 flesh color, the sides of bill reddish yellow; tarsi and toes pale bluish 

 horn color. 



Adult^ dark phase (sexes alike). — Like the above but darker, the 

 centers of the feathers of the upper parts of the body as in the dark 

 phase of Rallus longirostris loaynei^ the edges varying as in the 

 above ; flanks dark hair brown with a slight sepia tinge ; lower throat, 

 breast, and upper abdomen pale ochraceous-buff with a cinnamomeous 

 tinge. 



Jwvenal (sexes alike). — ^Like the adults of corresponding phase 

 but darker, the edges lacking on the feathers of the lower back and 



