Vol. XVII, pp. 151-152
October
6, 1904
PROCEEDINGS
OF THE
BIOLOGICAL SOCIETY OF WASHINGTON
DESCRIPTICNS OF FOUR NEW BIRDS FRO:\r MEXICO, BY
E.W. NELSON.
The
l)ir<ls describedbelow were
collected l)yMr. E. A. Gold-
man
during- the springand summer
of l!)04while continuing
tlu'
work
ofthe BiologicalSurvey
inMexico.
Porzana goldmani
pp.nov.MKXICAN YKI.I.OW R.\IL.
Tijpe No. 193,712,adult male, U.S. National
Museum,
Biological Sur- veyCollection.From
Lerma, Mexico. Collected July11,1904,by
E. A.Goldman.
Original No.10,994.Geograpliic didribution.
— Known
onlyfrom tj-pe locality in theValley of Toluca,Mexico.Sjjecific chnrncters.
—
Generally similar to P. nnvehnracensh but darker, the wings,flanks,
and rump
slatyblackish; white markings on backinthe formof transversespots; billslenderer.
Description oftype.
—
Superciliary stripe, sides of headand
neck dark bufFy mottled with narrowblackish edgingstofeathers; top ofheadand
nape blackisli obscurely streaked with narrow dingy buffy edges of feathers; middleof shoulders streaked equally with blackand
ratherdark buffy; sidesof shoulders, scapularsand
tertialsmainlyblack edged with dark buff"y; the black middleof feathersmarked
with transverseoblong wiiite spots (usually two on each feather);rump
blackish with small white spots; primaries dark slaty; secondaries dark grayish with white areasas in novehoracensis; wingcoverts blackish with smallrounded white spots;chinand
throat paledullbuffyshading on lowerneckand
breastinto darkdullbuffy with feathersonsidesof breast tipped withdusky; belly27—Pkoc.BiouSoc.Wash.Vol. XVII,1904. (151)
152
Kelson—
Descriptions of
Fnvr Ncv
Birdiefrom
Mexico.dull whitish
; pides of body, flunks, thighs,
and
crissum dullblackwith spotsand
bars of white.One
specimen examined.Empidonax
fulvifrons fusciceps subsp. nov.Type No. 193,71:^,adult mule, U.S. National JMuseum, Biological Sur- vey Collection.
From
Comitan, Chiapas, Mexico. CollectedMarch
29, 1904,by
E.A.Goldman.
Original No.10,(525.Geograpliic (llstrihution.
—
Highlands of Chiapasand
adjacent parts of Guatemala.Suhspecificcharacifrf:.
—
In sizeand
colorofniiderparts like typical /m^cv- frons; upperparts darker; crownmuch
darkerand
strongly contrasted with buck.Four specimens
examined
; from Comitan, Teopisca,and
Tenejapa, Chiapas.Arremenops
superciliosus chiapensis subsp. nov.Tifpc No.193,714,adult male, U.S. National INIuseum, Biological Sur- veyCollection.
From
SanBartolome, Chiapas,Mexico. CollectedMarch
15, 1904,byE. A.
Goldman.
Original No. 10,5.S3.Geographicdlstrihudon.
—
Valley of theChiapas River,Chiapas.Suhspecific characters.
— Much
like Arreynonnps s.samicJirasti but top of headdarker, themedian
stripeoncrown darkerand
grayer; back dark greenas in typical KnpercilinsuK; distril)utionof huffyon underpartsas in fiumiclirasti but color of a deeper ormore
creamy shade; size as in sumiclirasll.Nine specimens examined.^
Telmatodytes
palustris tolucensis subsp. nov.MEXICAN
MAKSn
WKEN.Ti/pe No. 194,074, adult male, U.S.National
Museum,
Biological Sur- vey Collection.From
Lerma, Mexico. Collected July 5, 1904,by
E.A.Goldman.
Original No.10,950.Geographicdistribution.
— Known
onlyfrom TulncaValley,Mexico.Suhspecific characters.
—
Size less than in palustris; black dorsal areaaverageslarger; rufous of back brighter; underjiarts
much more
reddish buff-y.Descriptionof type (in
worn
breeding plumage).— Top
ofhead blackish withtracesof abrown median
line;middleofbackblack withwelldefined white shaft streaks;rump and
upper tail coverts rich reddish br<iwn;middle tail feathers dull grayish
brown
mottled with darkerand
indi- stinctly barred withsame
basally; underparts dull dark reddish buffy (includingpectoral area)becoming
dingywhitish on chinand
throatand middleofabdomen.Measurementsoftype.
—
Wing,51; tail,40; culmen, 12; tarsus,20.Seven specimens examined,allfromtypelocality.