Keywords: CBBM15 275.png Hererocnemis nævia <small>Gmel </small> Sclateria naevia <small> J F Gmelin 1788 </small> en Silvered Antbird bill from lateral Catalogue of the birds in the British Museum http //www archive org/details/catalogueofbirds15brit Vol 15 Page 275 1890 Philip Lutley Sclater text PD-old CBBM15 Thamnophilidae beaks |