428 TRocniLi. 



shining green, lateral greenish at the biise, buff at the tips, and with 

 a dark subterminal band. 

 Hab. British Guiana. 



Merume Mts., Brit. Guiana, Salvin-Godman Coll. 



July (If. Whitely). (Type of the species.) 



Roraima, Erit. Guiana, July Salvin-Godmun Coll. 



(//. W.). 



125. PRYMNACANTHA. 



■Type. 



Gouldia, Bp. Consj). Av. i. p. 81) (nee Adams) V. langsdorffi. 



Popelairia, Rekh. Aufz. d. Col. p. 12 P. popelairii. 



Gouldoiuyia, Bp. liev. Zool. 1854, p. 257 P. laugsdorfB. 



i'rvmoacantha, Cab. i^- Heine, Mas. Hein. iii. p. 64 ... . P. popelairii. 



Tricholopha, Heine, J. f. Orn. 1863, p. 209. 



Mytiuia, Muls. Ann. Soc. Linn. Lyon, xxii. p. 224 



"(1876) P. letitise, 



Mythinia, Muls. Hist. Nat. Ois.-Monches, iii. pp. 235, 



246 P. letitiae. 



Range. Costa Rica south-vrards to Bolivia and Southern Brazil. 



Key to the Sjiecies. 



a. A long occipital crest ; tibise rufous pojielairii, p. 428. 



b. No occipital crest : tibire white. 



«'. Lateral rectrices loug and narrow. 



a". Pectoral spot fiery red ; middle of the abdo- 

 men black langsdorffi, p. 429. 



b" . Pectoral spot blue ; middle of the abdomen 



shiniDg green conversi, p. 430. 



b'. Lateral rectrices much shorter and wider .... letitice, p. 4ol. 



1. Prymnacantlia popelairii. 



Trochilus popelairii, Du Bus, Esq. Orn. pi. 6 (1846) ; Gray, Hand-L 



B. i. p. 146. 

 Gouldia popelairii, Bp. Consp. Av. i. p. 86 ; id. Rev. Zool. 1854, 



p. 257 ; Oould, Man. Troch. iii. pi. 127 (May 1854) : Scl. Cat. 



Am. B. p. 296 ; Elliot, Syn. Troch. p. 138 ; Tacz. P. Z. S. 188^, 



p. 35 ; id. Orn. Per. i. p. 302. 

 Popelairia tricholopha, Reich. Aufz. d. Col. p. 12 ; id. Troch. Emim, 



p. 9, pi. 815. ft". 4905-7. 

 Pryranacantha popelairii. Cab. ^ Heine, Mus. Hein. iii. p. 64 ; Gould, 



intr. Troch. p. 86 ; Muk. ^ Verr. Class. Troch. p. 78 ; Berl. J. f. 



Orn. 1887, p. 329. 

 Tricholopha popelairii, Ifeme, /./. Orn. 186.3, p. 209 ; Muls. Hist. 



Nat. Ois.-Mouches, iii. p. 235; id. Ann. Soc. Linn. Lyon, x.xii. 



p. 223. 



Adult male. Upper surface shining bronze-green, redder on the 

 back ; a transverse white band across the rump; upper tail-coyerts 

 steel-blue ; crown glittering green, the occipital feathers produced 



