REVISION OF THE CLAPPER RAILS OBERHOLSER 341 



(October 26, 1931); Bay Farm Island, Alameda County (April 3, 

 1915, October 3, 1925); Berkeley (November 27, 1891); Oakland 

 (November 23, 1889); Redwood, San Mateo County (February 1, 

 1908, October 18, 20, 22, 23, 26, 28, 29, and 30, 1909); San Francisco 

 (April — , 1877, March — , 1857 *^); Alameda (October 6, 1897). 



RALLUS LONGIROSTRIS YUMANENSIS Dickey 



Ytjma Clapper Rail 



Rallus yumanensis Dickey, The Auk, vol. 40, no. 1, p. 90, Jan. 10, 1923 ("Bard 

 Imperial County, California"). 



Subspecijlc characters. — Similar to Rallus longirostris obsoletus, but 

 wing and bill somewhat shorter; upper surface more grayish, that 

 is, the edgings of the lower cervLx, back, and scapulars are usualh^ 

 (in normal phase) more grayish (less brownish or olivaceous) ; cheeks 

 somewhat more clearly gray (less brownish); cinnamon of anterior 

 lower parts brighter, more pinkish, usually somewhat lighter; abdo- 

 men dull white instead of buff. 



Description. — Type, adult male, no. J-1039, collection of D. R. 

 Dickey ; Bard, Imperial County, Calif., May 15, 1921 ; Mrs. May Can- 

 field. Forehead and crown between buffy brown and olive brown, the 

 feathers with stiff, shiny, blackish-brown shafts; occiput and upper 

 cervix grayish olive brown ; middle cervix similar but lighter and with 

 narrow light dull wood-brown edgings; lower cervix fuscous on the 

 broad central stripes of the feathers, and betv/een light grayish olive 

 and drab on the broad margins; feathers of back and scapulars dark 

 fuscous centrally, dull light grayish olive marginally, in places more 

 brownish; rump and upper tail-coverts between deep grayish olive and 

 hair brown, with shaft stripes of fuscous; tail fuscous, the feathers 

 margined with the color of the rump, most broadly on the middle pair; 

 primaries, primary coverts, and secondaries, fuscous; tertials and the 

 innermost secondary Hke the scapulars, but the latter more brownish 

 marginally; exposed surface of greater wing-coverts between buffy 

 brown and Saccardo's umber, rather darker outwardly; inner median 

 and inner lesser coverts between buffy brown and citrine drab : outer 

 median and outer lesser coverts between snuff brown and Saccardo's 

 umber; sides of head dull mouse gray, the lores darker and more 

 brownish, the lower eyelid dull creamy white; supraloral stripe buffy 

 white, flecked with rusty; malar stripe dull light pinkish cinnamon, 

 fading to almost white anteriorly; sides of neck like the middle portion 

 of cervix, but paler and more or less suffused with light pinkish cinna- 

 mon; chin and throat, white; jugulum and breast, avellaneous with a 

 cinnamon tinge, paling to light avellaneous on the middle of breast; 

 abdomen dull creamy white; sides, flanks, and crissum, deep grayish 

 hair brown, the flanks lighter, all barred with white, the outermost 



*' Type. 



