326 PROCEEDINGS OF THE NATIONAL MUSEUM vol.84 



RALLUS LONGIROSTRIS UMNETIS, new subspecies 



Puerto Rico Clapper Rail 



Subspecific characters. — Similar to Rallus longirostris manglecola, 

 but bill and tarsus shorter; upper parts somewhat more grayish (less 

 rufescent), particularly on the lower back; edgings of back and 

 scapulars also paler, giA'ing a rather lighter tone to these parts; and 

 cinnamon of jugulum and breast paler. 



Description. — Dark phase. Type, adult male, U.S.N.M. no. 232261, 

 Biological Survey collection; Punta Picua, Mameyes, Puerto Rico, 

 February 12, 1912; Alexander "Wetmore, original number, 1225. 

 Forehead and crown bister, most of the feathers with stiff, shiny, 

 blackish shafts; occiput sepia; hind-neck olivaceous hair brown, some- 

 what mixed, particidarly on posterior portion, with narrow brownish- 

 gray edgings, wliich give a somewhat streaked appearance; feathers 

 of back and scapulars centrally varying from clove brown on the 

 scapulars to bister on the rest, marginally smoke gray, brownish gray, 

 or olive gray; rimip and upper tail-coverts olivaceous bister, with 

 broad olive or dull olive-gray feather margins; rectrices oUvaceous 

 bister brown, darker medially, and more or less broadly edged laterally 

 with olive; primaries and secondaries bister, rather lighter on their 

 margins; tertials like the scapulars, but their centers more blackish; 

 gTcater ^^dng-coverts rather light bister; their inner webs somewhat 

 more rufescent; median coverts centrally somewhat rufescent clove 

 brown, marginally varjdng from hair brown to brownish gra}^; lesser 

 coverts between bister and Saccardo's umber; alula rather light 

 bister, the outer web of outermost feather mottled with cinnamon; 

 sides of head neutral gray, the lores, together with a rather broad 

 continuous stripe below the eyes through the auriculars, grayish hair 

 brown, a lengthened spot on lower eyelid dull grayish white, a narrow 

 supraloral streak pale dull buff; sides of neck and of lower throat 

 between broccoli brown and hair brown, posteriorly inclining to 

 broccoli brown and indistinctly streaked with paler brown; chin and 

 upper throat white, laterally rather deep cream buft'; middle of 

 lower throat dull buff; jugulum Isabella color; breast between pinkish 

 cinnamon and vinaceous buff, somewhat whitish medially on the 

 posterior portion; abdomen dull white, slightly washed with cream 

 color; sides of body and flanks dark hair brown, rather broadly barred 

 with white; lower tail-coverts white, the middle feathers and also the 

 shorter feathers broadly barred with fuscous; lining of wing anteriorly 

 bister brown, passing posteriorly into blackish fuscous, and narrowly 

 barred with white throughout; thighs interiorly gra\^sli cream color, 

 exteriorl}^ grayish benzo brown. "Iris reddish hazel; culmen and 

 end of lower mandible brown, the base of bill reddish; legs liver color; 

 fore part of tibiae redder" (Newton). 



