(syn. Ptilopachus Ϯ Stone Partridge P. petrosus) L. petra  rock, stone  < Gr. πετρος petros  stone; gallus  cockerel; "PERDIX FUSCA, VIEILLOT.  BROWN ROCK-PARTRIDGE.  ...  Perdix fusca, La perdrix brunne, Vieill., Gall. II. pl. ccxii.  Petrogallus fuscus, Brown Rock-Partridge, Gray, Proceed. Zool. Soc. for 1836.  Buff-breasted Partridge? Lath., Gen. Hist. VIII. p. 296, No. 30.   MR GRAY had the drawing of this partridge for the accompanying plate [XVI], made from the specimens in the British Museum, which he has named and characterized in the Proceedings of the Zoological Society as the Brown Rock-Partridge, Petrogallus fuscus.  In a new arrangement of the gallinaceous birds which this gentleman has been for some time preparing, this bird is considered as the type of a new genus ("Petrogallus," Gray)" (Jardine & Selby 1837).

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2018). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2018). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 11 December 2018).