250 
POLIPICÜS. — POLYBOROIDES. 
crocopygia Sharpe, Ibis 187J. I. 101. ~ Criihagra crocoj)ygia Siiarpe. 
gularis Bonaparte, Conspect. Avium I. 519. — Fringilla gularis Gray. 
striaticeps IIartlaub. Fringilla striaticeps Lay. 
tristriata Bonapaute, Conspect. Avium I. 519. = Fringilla tristriata Gray. 
uropygialis v. Heuglin, Journ. Ornitli. 1862. X. 31. = Fringilla xantho- 
pygia Gray. 
xanthopygia Bonaparte, Conspect. Avium I, 520. = Fringilla xanthopygia Gray. 
POLIPICÜS (Picidae) Cassin, Journ. acad. Pliiladelpliia 1863. V.' 457. = 
P'iCUS LiN. 
Allied to the genus Gecinus especially to a subgroup of which Gecinus puni- 
ceus is the type. Small, bill nearly straight, and rather wide at base, wing 
rather long, first quill very short, fourth, fifth-^and sixth longest, tail rather long 
and wide feet short outer hind toe longest, inner hind toe short. 
Elliotii Cassin, Journ. acad. Philad. 1863. V. 457. ïb. 51. Fig. 1. ^ Picus 
Fllioti Sundev. 
POLOPHILTJS (Cuculidae. — Kukoç pullus, (ptXso amare) Leach, Zool. Miscell. 
1814. 115. — Stephens, gener. Zool. 1817. IX. 43. = Centropus Illig. 
Syîion.: Polyphylus Vieill. 
Rostrum robustum, subincurvatum. Nares rectae, elongatae. Pedes simplices, 
digitis duobus anticis, exteriore longiore, digitis duobus posticis, interno breviore 
ungue longissimo instructo. 
aegyptius Stephens, gener. Zool. IX. 54. = Centropus monachus Rüpp. 
bengalensis Stephens, gener. Zool. IX. 50. = Centropus rectunguis Strickl. 
coeruleus Stephens, gener. Zool. IX. 56. = Sericosomus coeruleus. 
gigas Stephens, gener. Zool. IX. 45. = Centropus phasianus Steph. 
Lathami Leach, Zool. Miscell. 1814.1. 117. Tb. 56. — Centropus rectunguis 
Strickl. 
leucogaster Leach, Zool. Miscell. 1814. I. 117. Tb. 52. = Centropus phasia- 
nus Steph. 
macrurus Cabanis, Mus. Heine. IV*. 121. — Centropus phasianus Steph. 
melanurus Cabanis, Mus. Heine. IV'^. 121. — Centropus phasianus Steph. 
maurus Stephens, gener. Zool. IX. 57. = Centropus aethiops Cuv. 
phasianus Leach, Zool. Miscell. I. 116. Tb. 46. = Centropus phasianus Steph. 
rufus Stephens, gener. Zool. IX. 44. = Centropus rectunguis Strickl. 
senegalensis Stephens, gener. Zool. IX. 53. =■ Centropus monachus RCpp. 
sinensis Stephens, gener. Zool. IX. 51. = Centropus rufipennis Illig. 
tolu Stephens, gener. Zool. 52. = Centrop)us madagascariensis Sciileg. 
variegatus Leach, Zool. Miscell. I. 116. = Centropus phasianus Steph. 
viridis Stephens, gener. Zool. IX. 55. = Centropus viridis Blytu. 
POLYAENA (Trochilidae. — TToXuatvoç multicaudatus) Heine, Journ. Ornith. 1863. 
XL 215. = Trochilus Lin. 
Synon.: Bourcieria Bonap. — Conradtnia Reichb. 
Conradi Heine, Journ. Ornith. 1863. XI. 216. — Trochilus Conradi BouRC. 
fulgidigula Heine, Journ. Ornith. 1863. XI. 216. = Trochilus fulgidigula. 
Inca Heine, Journ. Ornith. 1863. XI. 116. = Trochilus inca. 
insectivora Heine, Journ. Ornith. 1863. XI. 116. = Trochilus i7isectivorus Tscu. 
torquata Heine, Journ. Ornith. 1863. XI. 215. = Trochilus insectivoriis Tsch. 
POLYBOROIDES (Falconidae. — TCoXußopoc edax) Smith, Illustr. SAfr. Zool. 
149. — Layard, Birds SAfr. 31. = Nisus Cuv. 
Synon. : Gymnogenys Less. 
Bill broad and elevated at its base, the sides much compressed and the 
culraen much curved to the tip, which is hooked; the nostrils placed in front of 
the cere, with the opening forming a longitudinal slit. Wings very long, with 
the third, fourth and fifth quills longest. Tail very long and rounded at the end. 
Tarsi the length of the middle toe and entirely reticulated. Toes long slender, 
with the outer toe the lenght of the hind one. The cheeks round; the eyes and 
cere entirely denuded of plumes and haires. 
