2SO BROOKLYN INSTITUTE MUSEUM. SCIENCE BULLETIN 2. 6. 
No. 76025 American Museum Collection ( S ? La Union, Caura Riv. 
Venez. S. M. Klages leg.). 
Thamnophilus sp. ? 
(J ? La Union, Caura River, \'enez. iS Oct. 1901. Leg. S. M. 
Klages (No. 76025 Am. Mus. Nat. Hist. Coll.). 
Entire upper parts grey (almost slate). A concealed white spot 
in centre of back. Outer webs of primaries dark russet or raw umber, 
wing coverts narrowly tipped and edged with same color. General 
color of under parts a pale cinnamon brownish or buff, much clearer 
and paler on the throat and clearer brown (a Avood brown) on the under 
tail coverts, sides and flanks grey with brownish buff wash. Inner 
edges of wing quills cinnanmn, uiitler wing co\'erts brighter, more oclira- 
ceous. 
VV. 77 T. 40 B. 18 T.s 20 
Tliamnophihis sp.? 
5 La Union, Caura River, \'enez. 27 Sept. 1901. Leg. S. M. Klages 
(76020 Am. Mus. Coll.). 
Above, crown and middle <)f back slate grey, large concealed white 
patch in centre of back; wings black, outer webs of quills largely or 
entirely uniform slate grey, primary coverts black with small white 
terminal spots ; greater, median and lesser coverts also blackish with 
white terminal spots. The outer webs of the greater coverts are largely 
slate grey. Tail slate grey. Below cinereous. Inner edges of some 
of the wing quills faintly rufous. 
W. 81 T. 46 B. 20 Ts. 20. 
DVSITH.AMNUS ARDESI.ACUS SATURNINUS (Pelzeln). 
Thaiiiiiopliilus siituniiiitts Pclz., Orn. Bras. p. 147. 1869. (Borba). 
Dysifluiiiuius ardcsiaciis Scl. &• .^alv. P. Z. S. : 1867: p. 756 (Rio Napo) ; 
Berlepsch & Hartert, p. 71 (Munduapo, Nericagua, Orinoco River). 
Dysithammis ardesiacus satuniiuiis Hellmayr. \'erh. Zool.-bot. Ges. Wicn. 
LIII. 1903. p. 2t6 (Caura River). 
Not seen by the writer along the Orinoco but recorded by Ber- 
lepsch and Hartert from various points on the Caura River. 
In the American Museum collection are two specimens collected by 
Klages at Suapure on the Caura River, and one collected by Andre at 
Nicare. 
