488 
SIALIA. — SIBIA. 
SIALIA (Saxicolinae). — Swainson, Zool. Journ. 1827. III. 173. -— Baird, 
Birds NAmerica 223; Rev. amer. Birds I. 62. 
Synon.: Sialis Sundev. 
Rostrum breve, basi depressum, lateribus compressis, culmine subelevato ; nari- 
bus plumulis setaceis obtectis ; rictulato, subbarbato. Alae elongatae ; remige prima 
spuria, brevissima, secunda et quarta fere aequalibus, tertia longissima. Cauda 
subfurcata. Pedes breviusculi, subfortes; tarsorum squamis later alibus integris. — 
4 Spec c. 
albiventris Sclater. — Guatemala. 
aretica Swainson, Faun. bor. amer. II. 209. Tb. 39. [America sept. 
Erythraca aretica Richardson, List 1837. 
Sylvia aretica Audubon, ornith. Biogr. V. 38. 
Sialia macroptera Baird, Stansb. Report. 319. 
azarea Swainson, Philos. Mag. 1827. I. 369. [Mexico. Guatemala. 
Sialia Wilsonii Sclater, Proc. Zool. Soc. 1856. 293; 1858. 299; 1859. 362. 
coeruleicoUis Vigors, Beechey's Voy. 18. Tb. 3. = Sialia mexicana Swains. 
macroptera Baird, Stansb. Report. 314. = Sialia aretica Swains. 
mexicana Swainson, Faune bor. amer. II. 202. — Baird, Birds NAmerica 
223. [America sept. occ. 
Sialia occidentalis Townsend, Journ. acad. Philad. VII. 188. — Audubon, 
Birds Amer. II. 176. Tb. 135. 
Sylvia occidentalis Audubon, ornith. Biogr. V. 41. Tb. 393. 
Sialia coeruleicoUis Vigors, Beechey's Voy. 18. Tb. 3. 
sialis Baird, Rev. amer. Birds I. 62; Birds NAmer. 222. 
[America sept. or. Cuba. 
Motacilla sialis Linne, Syst. Nat. I. 187. — Wilson, amer. Ornith. I. 56. 
Tb. 3. Fig. 3. 
Rubecula carolinensis coerulea Brisson, Ornith. III. 423. — Buffon, PI. enlum. 
396. Fig. 1. 2. 
Sialia Wilsoni Swainson, Zool. Journ. 1827. III. 173. 
Sylvia sialis Latham, Ind. Ornith. II. 522. 
Ampelis sialis Nuttall, Man. Ornith. I. 444. 
Saxicola sialis Bonaparte, Synopsis 1828. 
Erythaca Wilsonii Swainson, Faun. bor. amer. II. 210. 
Azulejo. 
Wilsoni Swainson, Zool. Journ. 1827. III. 173. = Sialia sialis Baird. 
SIBIA (Phyllornithinae. — Sibia vox barb.) Hodgson, Journ. as. Soc. Bengal 
1839. VIIL 37. = Actinodura Gould. 
Bill and tongue as in Chloropsis, but the bill more depressed and more 
keeled towards the base; and the tongue forked as well as brushed. Nares basal, 
lateral, elongated, pervious, lunated and almost lineated by a large soft subarched 
and nude membrane. Nareal bristle none; rictal small, frontal plumes smooth; 
wings medial, round, acuminate, firm; fifth and sixth quills longest, first and 
second considerably, third and four trivially gradated; primaries plus tertiaries 
nearly one inch. Tarsi elevate, stout, nearly smooth; toes submedial, simple, 
stout, fores compressed hind depressed and large, lateral fores and hind subequal 
last strongest; nails stout, moderatly curved, acute; tail various as in Promerops 
or in Cinclosoma. 
annectens Gray. = Leioptila annectens Blyth. 
auricularis Sclater, Ibis 1866. 109. Tb. 4. = Copsychus auricularis Swinh. 
capistrata Gray, Genera Birds I. 238. = Garrulus capistrata Blyth. 
gracilis M'Clelland, Proc. Zool. Soc. 1839. 159. = Actinodura gracilis Blyth. 
melanoleuca Blyth, Journ. as. Soc. Bengal 1859. 413. = Actinodura me- 
lanoleuca. 
nigriceps Hodgson, Journ. as. Soc. Bengal 1839. 38. = Garrulax capistratus 
Blyth. 
