Note 3 — ARGENTINE ORNITHOLOGY. (continued 3)
Reading edition
Namely, P. imperialis, King, and P. albiventris (Lesson). See Zool. Chall., Birds, p. 121. It was probably one of these two species that Durnford found nesting on Tombo Point, south of Chupat (cf. Ibis, 1878, p. 399).