1878.] MR. D. G. ELLIOT ON THE GENUS PTILOPUS. ' 503 



1830. Quoy & Gaimard, in the ' Voyage of the Astrolabe.' 



Pt. gularis is here described and figured as Golumba gularis. 

 Species 19. 



1831. Lesson, 'Traite d'Ornithologie. 1 



Under the term Ptilonopus eight species are given, one of them 

 for the first time, Pt. roseicapillus. Four of the remainder are 

 valid species, viz. melanocephalus, jambu, porphyreus, and taitensis. 

 Pt. cyanovirens is the female of superbus, Pt. virens is the female of 

 pectoralis, and Pt. purpuratus is Pt. ewingii. Species 20. 



1838? Knip and Prevost, ' Histoire Naturelle Ge'nerale des 

 Pigeons.' 



Ptilopus rivoli described as Columba rivoli. Species 21. 



1840. Neboux, in the ' Revue Zoologique.' 



Pt. dupetit-thouarsi first described as Columba dupetit-thouarsii. 

 Species 22. 



1841. Hombron and Jacquinot, 'Annales des Sciences Natu- 

 relles.' 



Pt. luteovirens described in the genus Columba. Species 23. 



1842. Gould, in the 'Proceedings of the Zoological Society of 

 London.' 



Pt. ewingii described. Species 24. 



1844. Gray and Mitchell, • Genera of Birds.' 

 Twenty-five species are here recorded, of which three do not be- 

 long to this genus, viz. Pt. holosericeus, Temm., maculatus, Gmel., 

 and pulcherrimus, Scop. Pt. purpuratus, Lath., is a made-up species, 

 Pt. virens=pectoralis, Wagl.; Pt. cyanovirens =superbus $ , Temm. ; 

 Pt. purpureo-leucocephalus = dupetit-thouarsi, Neboux; Pt. swain- 

 soni = regina, Swains. ; Pt. roseicollis = porphyreus, Temm. ; Pt. 

 viridissimus, Temm. = fasciatus, Peale. The remaining species are 

 valid, among which Pt. occipitalis is given for the first time and a 

 plate published. Species 25. 



1848. Peale, ' United-States Exploring Expedition, Ornithology.' 

 A list of the species belonging to this group, collected by this 

 Expedition, is given, four in all, among which three are described 

 for the first time, viz. Pt. coralensis, Pt. perousii, and Pt. fas- 

 ciatus ; the fourth, Pt. furcatus, is the Pt. taitensis of Lesson. 

 Species 28. 



1850. Gould, in ' Jardine's Contributions to Ornithology.' 

 Pt. strophium described for the first time. Species 29. 



1850. Gould, « Proceedings of the Zoological Society of London.' 

 A race of Pt. magnificus is named Pt. assimilis. Species 30. 



1853. Gray, 'Proceedings of the Zoological Society of London.' 

 Pt. chrysogaster described. Species 31. 



