650 
MUSCISAXICOLA. — MUSCITREA. 
longipennis Lesson, Traité Ornith. 1831. 387. = Ictiniscus vetulus Cab. 
vetula v. Pelzeln, Ornith. Brasil. 99. = Ictiniscus vetulus Cab. 
MUSCISAXICOLA (Fluvicolinae. — musca, saxicola) d'Orbigny et de Laeresnaye, 
Synops. Avium 1837. 65; Voy. Amér. mérid. Ois. 354. — Piiilippi, Wiegm. 
Archiv. 1865. XXXI. 74. = Ptyonura Gould. 
Pedibus valde elongatis, gracilibus, unguis anticis brevibus, postice longiore 
paru m curvato, alis praelongis, acuminatis; cauda médiocris apice recto; rostro 
tenui, valde compresso, elongato, non basi depresso, quibus omnibus characteribus 
habituque toto Saxicolis hujus generis species proxime accedunt. 
albifrons Sclater, Proc. Zool. Soc. 1860. 76. = Ptyonura albifrons Tschud. 
albilora de Laeresnaye, Revue Magaz. Zool. 1855. VII. 60. = Ptyonura 
albilora. 
albimentum de Laeresnaye, Revue Magaz. Zool. 1855. VII. 60. = Ptyonura 
albimentum. 
alpina Gray, Handl. Birds I. 346. — Ptyonura albifrons Tschud. 
brunnea Burmeister, Reise Laplata II. 462. = Ptyonura brunnea Gould. 
capistrata Burmeister, Reise Laplata II. 461. — Ptyonura capistrata Burm. 
cinerea Philippi, Wiegm. Archiv 1865. XXXI. 80. = Ptyonura cinerea. 
flavinucha de Lafresnaye, Revue Mag. Zool. 1855. 59. Tb. 3. = Ptyonura 
flavinucha. 
fluviatilis Sclater, Proc. Zool. Soc. 1866. 187. = Ptyonura fluviatilis. 
frontalis Piiilippi, Wiegm. Archiv 1865. XXXI. 105. = Ptyonura nigrifrons. 
flavivertex Philippi, Wiegm. Arch. 1865. XXXI. 98. — Ptyonura flavin 
vertex. 
fulva Hartlaub, Verz. Mus. Bremen 37. = Fluvicola nigra. 
Macloviana Gray, Voy. Beagle Zool. 83. = Ptyonura mentalis Cab. 
maculirostris d'Orbigny, Synops. Avium 66. = Ptyonura maculirostris Bonap. 
mentalis d'Orbigny, Synops. Avium 66. = Ptyonura mentalis Cab. 
nigra Gould, Voy. Beagle Zool. 84. = Ptyonura nigra. 
nigrifrons Philippi, Wiegm. Archiv 1865. XXXI. 101 . = Fluvicola nigrifrons. 
rubetra Sclater, Catal. amer. Birds 206. — Taenioptera rubetra Burm. 
rubricapilla Philippi, Wiegm. Archiv 1865. XXXI. 90. = Ptyonura rubri- 
capilla. 
rufipennis Taczanowski, Proc. Zool. Soc. 1874. 134. — Peru. 
ruflvertex d'Orbigny, Synops. Avium 66. = Ptyonura rufivertex Cab. 
striaticeps d'Orbigny, Synops Avium 66. = Ptyonura striaticeps Bonap. 
MUSCISYLVIA (Philomelinae) Hodgson, Proceed. Zool. Soc. 1845. XIII. 27. = 
Notodela Less. 
Synon.: Myiomela Hodgs. 
General structure as in Grillivora, but feebler; gap wider and bristled; tip 
of the bill more suddendly bent; nares elongated, with nude membraneous tect 
and lun ato-ellip tic aperture, set over by tiny hairs; wings and tail ample, with 
broad webs and obtuse mucronated terminations; wings round, acuminate; 
fifth quill longest; tail medial, even, broad; legs and feet suited to walking and 
perching; tarse equal to mid toe and nail; toes long and slender; nails acute; 
hind much the largest, and equal to the digit. 
leucura Hodgson, Proc. Zool. Soc. 1845. XIII. 27. = Notodela leucura 
Blyth. 
MUSCITODUS Hombron et Jacquinot 1844. = Monarclia castaneiventris Verr. 
MUSCITREA (Leiothrichidae. — musca, Tpso trepidare). — Blyth, Journ. as. 
Soc. Bengal 1847. XVI. 121. 
Bill of moderate length, somewhat conical, a little compressed , the upper 
mandible obtusely angulated, with the curvature of its outline increasing to the tip, 
which overhangs that of the lower mandible and is slightly emarginated; the extreme 
tip of the lower mandible also curves a little upward. Gonys straight and scar- 
cely inflected. The nostrils small with anterior oval aperture, and beset at base 
with short reflected feathers and some incumbent hairs; a few fine haire like bristles 
