July 10, 1914 
Vol. XXVII, p'p. 119-122 
PROCEEDINGS 
OF THK, 
BIOLOGICAL SOCIETY OF WASHINGTON 
A NEW ACCIPITER FROM PORTO RICO WTTII NOTES 
ON THE ALLIED FORMS OF CURA 
AND SAN DOMINGO. 
BY ALEX WETHORE. 
A small accipiter secured in recent field work in Porto Rico 
proves to he a distinct form and may be known as 
Accipiter striatus Venator new subspecies. 
Characters.—A<]n\t male, similar to adult male of Accipiter striatus 
striatus of Sau Domingo but much darker above and more deeply colored 
below. Tbigbs more rufesceut, black l)ars on upper side of tail distinct 
and heavily marked, brown of uuderparts deeper, black shaft-streaks of 
feathers much more heavily detiued, slightly smaller. ( Eemale not seen.) 
Description.—Type, adult male, No. 238,:’.70, IJ. 8. National IMusenm 
(Biological Survey Collection). The Cerro (fordo, Maricao, Porto Rico; 
collected IMay 30, 1012, by Alex tVetmore; original No. 2010. Above 
dusky neutral gray,* darker on head, feathers with black shaft streaks, 
bordered indistinctly with pale neutral gray; center of Itelly and under 
tail coverts white; throat white tinged with buff, shafts heavily lined with 
black; breast and belly except in center white heavily barred with tawny 
and deep to dark mouse gray, the two colors in places intermingled in the 
same bar; shafts of feathers Idack; sides of neck, sides, tlaidvs and thighs 
hazel, barred on sides, flanks and thighs more or less with white; sides 
of throat and auricular region cinnamon bnfl’, shafts lined with black; 
primaries black barred with white underneath; bend of wing washed on 
inside with warm buff; feathers immediately l)ehiud cere brownish; 
rectrices, above mouse gray crossed by three broa<l black bars, slightly 
tipped with white; bdow, whitish showing 4 blackish bars, the inner one 
partly concealed by the under tail-coverts; the three longest upper tail- 
coverts indistinctly tipped with white; three of the tertials on each side 
with large, concealed white spots; nai)e with a concealed white spot. Bdl 
black; em’e blackish slate; tarsus and feet dusky green gray; inside of 
toes yellowish; claws black. ( k rom dried skin.) 
♦ Robert Ridgway, Color .Standardsand Color Nomenclature (1912), January 16, 1916. 
28— Proc. Biol. Soc. Wash., Vol. XXVII, 1911. 
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