TRICHAS. — TRICHASTOMA. 
655 
Geothlypis Macgillivrayi Baikd, Birds NAmer. 244. Tb. 79. Fig. 4; Rev. 
amer. Birds I. 227. 
Sylvicola Macgillwrayi Cabanis, Journ. Ornith. 1858. 118. 
Sylvia Tolmaei Townsend, Journ. acad. Phil. 1839. VIII. 144. 
Trichas Tolmiaei Nuttall, Man. Ornith. I. 
Trichas végéta Bonaparte, Consp. Av. I. 310. 
niarylandica Bonaparte, Consp. Av. 1. 310. [America sept. 
Fidecula marylandica Brisson, Ornith. III. 506. 
Turdus trichas Linne, Syst. Nat. I. 293. — Buffon, PJ. enl. 709. Fig. 2. 
Sylvia trichas Latham, Ind. Ornith. — Vieillot, Ois. Amér. sept. II. 28. 
Tb. 28. 29. 
Motacilla trichas Gmelin, Syst. Nat. L 
Sylvia marylandica Wilson, amer. Ornith. I. 88. Tb. 6. Fig. 1. 
Trichas personata Swainson, Class. Birds II. 247. 
Begulus mystaceus Stephens, gener. Zool. 
Sylvia Boscoe Audubon. 
Trichas hrachydactylus Swainson, two Centur. 295. 
Geothlypis trichas Cabanis, Mus. Heine. L 16. — Baird, Birds NAmer. 241; 
Rev. amer. Birds I. 220. 
Trichas Delafieldi Heerman, P. R. R. Survey 1859. X. 30. 
iiielanops Baird, Rev. amer. Birds I. 222. (Geothlypis.) [Mexico. 
nigrocristata de Lafresnaye, Rev. Zool. 1840. 230. = Setophaga nigrocristata. 
personata Swainson, Class. Birds II. 247. = Trichas marylandicus Bp. 
Philadelphia Jardine. [America sept. Ind. occ. Gronlandia. 
Sylvia Philadelphia Wilson, amer. Ornith. II. 101. Tb. 14. — Audubon, Birds 
Amer. IL Tb. 101. 
Geothlypis Philadelphia Baird, Birds NAmer. 243. Tb. 79. Fig. 3. 
poliocephala Gray, Handlist I. 242. [Mexico. Amer, centr. 
Geothlypis poliocephala Baird, Rev. amer. Birds I. 225. 
rostrata Bryant, Proc. Boston Soc. 1866. XI. 67. (Geothlypis.) [Bahamae. 
ruficeps Gray, Genera Birds 1. 197. 
seniiflava Sclater, Proc. Zool. Soc. 1860. 273. (Geothlypis.) [Aequatoria. 
speciosa Sclater, Proc. Zool. Soc. 1858. 447. (Geothlypis.) [Mexico. 
stragulata Burmeister, Uebers. Th. Bras. III. 115. = Setophaga stragulata. 
snperciliosa Swainson, Class. Birds IL 247. — Setophaga superciliosa. 
vegeta Bonaparte, Consp. Av. I. 310. — Trichas Macgillivrayi Aud. 
Tolmiaei Nuttall, Man. Ornith. = Trichas Macgillivrayi Aud. 
velata Swainson, Class. Birds II. 247. — Burmeister, Uebers. Th. Bras. III. 
115. [Brasilia. 
Sylvia velata Vieillot, Ois. Amér. sept. II. 22. Tb. 74. 
Sylvia cucullata Latham, Ind. Ornith. II. 528. 
Sylvia canicapilla Pz. Wied, Beitr. Natg. Bras. IIL 701. 
Tanagra canicapilla Swainson, Zool. Illustr. Tb. 147. 
Geothlypis velata Cabanis, Mus. Heine. I. 16. 
TRICHAS Gloger, v. Froriep^s Notizen 1827. 
gularis Cabanis, Mus. Heine. 1. 144. = Criniger gularis Bl. 
TRICHASTOMA (Pachycephalidae) Blyth, Journ. as. Soc. 1842. 795. — Mala- 
copteron Eyt. 
Bill as long as the head, rather stout, high, much compressed, the tip of 
the upper mandible pretty strongly hooked, but indistinctly emarginated and its 
ridge obtusely angulated towards the base, the remainder scarcely angulated; gape 
but little widened and feebly bristled, nostrils large and subovate with oval ap- 
erture to the front, a little removed from the base of the bill; tarse of mean lenght 
and strength, as long as the middle toe with its claw; the claws suited for perching, 
compressed and moderately curved, that of the hind toe rather large; wings mod- 
erate, with the first primary reaching to about their middle, the second much 
shorter than the third and the fourth longest; tail rather short, weak and even, 
