766 
ORTHOGENYS. — ORTHONYX. 
ORTHOGENYS (Tanagridae. — ofooç rectus, ysvuç nientum) Strickland, Ann. 
mag. nat. Inst. 1844. XIII. 421. = Tachyphonus Vieill. 
Rostrum elongatum, compressiusculum, culmine obtuse carinato, a basi ad 
apicem curvato, commisura satis decurvata, tomiis paulo inflexis, maxilla vix 
emarginata, gonyde rectissima nec adscendente. Nares ovatae subbasales, pilis 
raris frontalibus tectae. Alae médiocres, remigibus 2. 3. 4. subaequalibus, 1. paulo 
breviore. Cauda raediocris rotundata. Tarsi subbreves, acrotarsiis scutellatis, para- 
tarsiis integris; digiti médiocres, externus internum paulo superans, ungues satis 
curvati, acuti. 
cyanicterus Sclater, Nomencl. Avium neotrop. 22. = Tachyphonus cyani- 
cterus. 
olivaceus Cassin, Proc. acad. Philadelphia 1860. 140. = Tachyphonus oli- 
vaceus. 
viridis Strickland, Ann. mag. nat. hist. 1844. XIII. 421. = Tachyphonus 
viridis. 
0RTH0G0NYS viridis Cabanis, Mus. Heine. I. 24. — Tachyphonus viridis. 
chloricterus Bonaparte, Revue Mag. Zool. 1851. 174. = Pyranga cyanictera 
Vieill. 
ORTHONYX (Certhiadae. — op^oç rectus, ovu£j unguis). — Temminck, PI. color. 
428. — Gray, Genera Birds 1847. I. 151. 
Synon.: Mohua Less. — Clitonyx Ileichb. 
Bill rather short and nearly straight, with the culmen elevated at the base 
and curved to the tip , which is slightly emarginated, the sides compressed and the 
lateral margins slightly curved; the gonys moderate and ascending ; the gap furnis- 
hed with weak bristles; the nostrils basal and placed in a broad groove, partly 
closed by a membrane, leaving the opening exposed. Wings long and rounded, 
with the fourth quill nearly as long as the fifth and sixth, which are equal and 
equal and longest. Tail long and broad, with the shaft of each feathers prolon- 
ged beyond the web, and rather strong. Tarsi strong, longer than the middle toe and 
covered in front with broad scales. Toes moderate and strong, with the outer toe 
nearly as long as the middle one and united at the base; the hind toe long and 
strong. — 4 Specc. 
albicilla Finsch, Journ. Ornith. 1872. XX. 110. [Nova Zealandia. 
Mohua albicilla Lesson, Compt. Buffon. — Gray, Ibis 1862. IV. 220. 
Parus albicillus Lesson, Voy. Coquille I. 662. 
Clitonyx albicillus Bonaparte, Compt. rend. 1854. XXXVIII. 60. 
Parus senilis Dubus, Bullet, acad. Bruxelles 1839. 297. 
Certhiparus senilis de Lafresnaye, Revue Zool. 1842. 69. 
Certhiparus albicillus Gray, Genera Birds I. 194; Voy. Erebus Terror Birds 
Tb. 5. Fig. 2. 
heteroclytus de Lafresnaye, Mag. Zool. 1839. Ois. Tb. 8. = Orthonyx ochro- 
cephala Gray. 
icterocephala de Lafresnaye, Revue Zool. 1839. 257. = Orthonyx ochro- 
cephala Gray. 
maculata Stephens, gener. Zool. XIV. 186. — Orthonyx spinicauda Tem. 
ochrocephala Gray, Genera Birds I. 151. Tb. 46. — Finsch, Journ. Ornith. 
1872. XX. 110; 1873. XXI- 394. [Nova Zealandia. 
Yellow headed Flycatcher Latham, gener. Synopsis II. 342. 
Muscicapa ochrocephala Gmelin, Syst. Nat. I. 944. 
Muscicapa chloris Forster, Descr. anim. 87; Icon. ined. 157. 
Certhia heteroclytes Quoy et Gaimard, Voy. Astrolabe Tb. 17. Fig. 1. 
Orthonyx heteroclytus de Lafresnaye, Mag. Zool. Ois. 1839. Tb. 8. 
Orthonyx icterocephala de Lafresnaye, Revue Zool. 1839. 257. 
Mohua hua Lesson, Comp]. Buffon. 
Mohua ochrocephala Gray, List. Genera Birds 25. — Potts, Transact. New 
Zeal. Instit. II. 57. Tb. 5. Fig. 2. 
Mohua. — Popokatea. 
