MASATIERRA PETREL Pterodroma defilippiana VU AEstrelata defilippiana Giglioli & Salvadori, 1869 MZUT AV18779; mount; unsexed adult; southern Pacific Ocean between Callao (Lima, Peru) and Valparaiso (Chile), 31 August 1867; collected during the Magenta voyage. MZUT AV18780; mount; unsexed adult; southern Pacific Ocean between Callao (Lima, Peru) and Valparaiso (Chile); 31 August 1867; collected during the Magenta voyage. Remarks.—These specimens are syntypes of AEstrelata defilippiana Giglioli & Salvadori, 1869. Giglioli (1876) stated that, after lunch on 31 August 1867, at c. 26°S, 89°W, a boat was prepared for collecting pelagic birds, including these two specimens.

Published as part of Ghiraldi, Luca & Aimassi, Giorgio, 2019, Extinct and endangered (' E & E') birds in the ornithological collection of the Museum of Zoology of Torino University, Italy, pp. 28-45 in Bulletin of the British Ornithologists' Club 139 (1) on page 35, DOI: 10.25226/bboc.v139i1.2019.a2, http://zenodo.org/record/11637476