576 Mr. L. W. Wiglesworth on the Polynesian 



Ind. Orn. p. 598, pt. ; Bechst. Lath. Uebers. iv. p. 379, pt. 

 (1811) ; Shaw, Gen. Zool. xi. p. 66 (1819), pt. 



" Columba porphyracea, Forster," Temni. Tr. Linn. Soc. 

 xiii. p. 130 (1822). 



Columba for steri, Desm. Diet. Sc. Nat. xl. p. 340 (1826); 

 Less. Compl. BuflP. ii. p. 34 (1837). 



Columba purpurata, Wagl. Isis, 1829, p. 742. 

 Columba porphyracra, Forst. Descr. An. p. 167 (1844). 

 Ptilonopus potyhyracrus, Gray, Gen. B. ii. p. 466 ; id. List 

 B. Br. Mus., Columbce, p. 3 (1856) ; id. B. Trop. Is. p. 38 

 (1859). 

 Ptilinopus purpuratus, Hartl. Wiegm. Arch. 1852, p. 134. 

 Ptilopus purpuratus, Bp. Iconogr. Pig, pi. xix. fig. b, jr. 

 (185 7), /c?e Elliot. 



Ptilopus j)orphyraceus, Bp. Consp. Av. ii. p. 21 (1857) ; 

 Schl. Mus. P.-B., Columbce, p. 8 (1873). 



Ptilonopus porphyraceus, Reichb. Tauben, p. 95 (1862); 

 Layard, P. Z. S. 1876, p. 502. 



Ptilinopus porphyraceus , Finsch & Hartl. Orn. Central- 

 polyn. p. 119; iid. J. f. O. 1870, pp. 122, 131 ; Graffe, t. c. 

 pp. 402, 407; id. Journ. Mus. Godef. i. p. 49, pi. 7. fig. 3 

 (1873) ; Finsch, P. Z. S. 1877, pp. 725, 775, 783; id. Voy. 

 Challenger, Birds, p. 38 (1881). 



Ptilopus purpuratus, Elliot, P. Z. S. 1878, pp. 515, 525, pt.; 

 Schmeltz, Verb. Ver. Hamb. 1877 (1879), p. 177; Tristr. 

 Cat. Coll. B. p. 44 (1889), Tonga-tabu. 



"Kurukuru" [Forster) or " Kulukulu ^^ [Grciffe, Hiibner) 

 of the natives. 



Hab. Tonga Islands : Tonga-tabu [Forster, ^c), Eua 

 [Hiibner), Lifuka [Graffe), Habai (Hiibner), Vavao [Graffe), 

 Niuafou [Hiibner), Futuna Island [Layard). 



I give a key to show the distinguishing points of this and 

 the other allied Central-Polynesian species : — 



a. Band across end of tail greenish, grey, or 

 whitish. 

 a'. Head unifurm gieen. 



a". Above green, with coppery gloss ; . beneath 

 green, with yt'Uow tips to all the 



