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Show 1873.] THE BIRDS OF EASTERN PERU. 273 5. THAMNOPHILUS PLUMBEUS, Scl. Myrmelastesplumbeus, Scl. P. Z. S. 1858, p. 274, pl. 143; Cat. A. B. p. 189; Scl. & Salv. P. Z. S. 1866, p. 567 (d*). Thamnophilus hyperythrus, Gould, P. Z. S. 1855, p. 70; Scl. & Salv. P. Z.S. 1866, p. i85($). Pebas (Hauxwell) ; Nauta, Xeberos, and Santa Cruz (Bartli). " Found about the streams and small lakes in the interior of the forest. The remarks of Messrs. Sclater and Salvin on this species (P. Z. S. 1867, p. 981) I can verify, as I always found the two supposed species together, T. hyperythrus being the female (by dissection)."-E. B. 6. THAMNOPHILUS NCEVIUS (Gm.) ; Scl. & Salv. P. Z. S. 1866, p. 185. Upper Ucayali (E. B.). 7. THAMNOPHILUS AMAZONICUS, Scl.; Scl. & Salv. P. Z. S. 1866, p. 185. Upper Ucayali (E. Bi). 8. THAMNOPHILUS MURINUS, Pelz. Orn. Bras. p. 77; Scl. & Salv. P. Z. S. 1867, pp. 750, 756. " Xeberos, Yurimaguas, and Chamicuros. Appears to be the most common of the genus in Chamicuros. The egg has a whitish groundcolour, and the streaks and marks are rather more distributed and more clearly marked than in those of the other species."-E. B. 9. THAMNOPHILUS RADIATUS (Vieill.); Scl. & Salv. P. Z. S. 1866, p. 185; 1867, p. 978. Sarayacu and Nauta (Bartlett) ; Pebas (Hauxwell). 10. THAMNOPHILUS ATRICAPILLUS (Gm.) ; Scl. & Salv. P. Z. S. 1866, p. 185. Upper Ucayali (E. B.). 11. PYGOPTILA MACULIPENNIS, Scl.; Scl. & Salv. P. Z. S. 1866, p. 185; 1867, p. 750. Sarayacu, Upper Ucayali, Keberos, and Chamicuros (E.B.). 12. PYGOPTILA MARGARITATA, Sclater, Cat. A. B. p. 177. " Xeberos and Chamicuros. Rather common in the latter locality. The nest is composed of fine roots, bents, dried grass, and fibres of palms; it is built on a low open bush. The ground-colour of the egg is a pale whitish brown, mottled with rich reddish brown and grey at the large end ; markings rather distinct. The complement is four."-E. B. 13. DYSITHAMNUS SCHISTACEUS, D'Orb. ; Scl. & Salv. P. Z. S. 1867, pp. 750, 756, 978. Yurimaguas and Chyavetas (Bartlett); Pebas (Hauxwell). PROC. ZOOL. Soc-1873, No. XVIII. 18 |