( 32 ) 



14. Cerconiacra tyrannina (Scl. 

 Pyriglena tyramuna Bolster, P.Z.S. 1855. p. 90. pi. 98 (Bogota coll.). 



No. 655. cJ ad., 29. iv. 06. " Iris greyish brown." 



No. 651. ? ad., 28. iv. 06. •' Iris grey-brown." 



These specimens are in every respect typical C. tyrannina, .agreeing with our 

 extensive series from Bogotii, the Orinoco region, British Gaiana and Para. It is 

 highly interesting to find this form on the north bank of the Amazons, while on the 

 opposite side of the great river, near Santarem, another representative of this group 

 (C. n. approximans, l'elz.) is met with. 



15. *Myrmeciza longipes griseipectus Berl. & Hart. 



[Dryiuophila longipe* Swaiuson, Zool. J, mm. ii. p. 152(1825 — "some part of Brazil,'' errore. — 



Trinidad substituted as typ. locality ; cfr. Nov. Zuol. xiii. p. 33).] 

 Myrmeciza ewainsoni griseipectus Berlcpsch & Hartert, Nov. Zu,,l. ix. p. 70 (1902— Caicara, Orinoco). 



Nos. 650, 654. 3 S ad., 28, 29. iv. 06. ''Iris reddish brown, feet yellowish 

 grey, bill black."— Wing 69, 60 ; tail moulting; bill 19 mm. 



No. 035. ? ad., 15. iv. 06. " Iris brown."— Wing 65J ; tail 54^ ; bill 18J mm. 



The St$ agree perfectly with others from the Caura Biver and British Gaiana. 

 Typical birds from the Orinoco valley have the grey colouring on the foreneck 

 rather darker and somewhat more extended, but this difference is very trifling and 

 not quite constant. 



J/. /. griseiventris, which was known from British Guiana, the Orinoco region 

 and the Rio Meta, Eastern Colombia, is quite new to the Brazilian avifauna. 



16. Myrmeciza ferruginea (P. L. S. Hull.) 



Turdus ferrugineus P. L. S. Muller, Natursyst. Suppl. p. 141 (1770— based on " Merle a cravate, de 



Cayenne," Daubenton, PI. enl. 500. fig. 2. — Cayenne). 

 Turdus cinnamomeus Gnielin, Syst Nat. 1. i. p. 825 (1788— based on the same). 

 Myrmeciza cinnamomea auct. 



No. 641. ? moulting, 19. iv. 06. "Iris dark brown, feet blue-black, bill black, 

 below grey." 



Agreeing well with other females from Surinam and British Guiana 



IT. Hypocnemis cantator cantator (Bodd.) 



Formicariw Cantatar (sic!) Boddaert, Tabl. PI. ml. p. 44 (1783— based on '• Le Carrilloncur, de 

 Cayenne," D'Aubenton, PI. cul. 700. f. 2. — typical locality, therefore, Cayenne.) 



No. 643. S vix ad., 18. iv. 06. " Iris brown." 



No. 640. ? ad., 18. iv. 06. " Iris brown." 



Identical with a large series from Cayenne. In the 6 8 the upper back is 

 cinereous, with a few indistinct dusky dots, and a very small, concealed white dorsal 

 spot ; in the ? ¥ it is uniform pale olive brownish. 



Two SS ad. collected by Natterer near Hanaos (Barra do Bio Negro), belong 

 also to the typical race, which on the south bank of the Amazons is replaced by 

 H. c. peruvianas. Cfr. supra, p. 19. 



18. Myrmotherula axillaris axillaris (Vieill.) 



Cfr. Nov. Zool. xiii. (1906) p. 368. 



No. 696. J ad., 7. iv. 00. " Iris brown." 



