88 Aves. 
XVII. Aves. 
[1900] 
Upucerthia bridgesi, Scl. = cindaecola, 
Lafr. and d’Orb. ; IIellmayk, T.c. 
(331). — U. serrana is distinct, id. l.c. 
Xenicopsis variegaticeps subsp. n. 
idoncus, Bangs, Washington, D.C., Proc. 
Biol. Soc., 19, (108). 
Tyrannidae. 
Anaeretes sclateri , Oust, referred to 
Hapalocercus, (320-321). — H. hollandi, 
»Scl .=11. sclateri, Oust. — II. striaticeps, 
Salv. is a subspecies of II. sclateri . — 
Pseudocolopteryx dinellianus , Lillo is a 
Hapalocercus, lx. IIellmayk, Nov. Zool. 
Tring, 13. — A. Jlavirostris subsp. 
)S. Peru, Berlepsoh and Stolzman, 
Ornis., 13, (69). 
Atalotriccus pilaris subsp. n. vene- 
zuelensis, R idgway, Washington, D.C., 
Proc. Biol. Soc., 19, (115). 
Oalopteryx inomatus, Ridgway = 
galeatus (Bodd.), Para ; Hellmayr, Nov. 
Zool. 13, (360). 
Capsiempis caudata, Salv. referred to 
Serpophaga, (323). — 8. orenocensis, 
Berlepsch and Hartert = S. caudata 
(Salv.) lx. ; IIellmayk T.c. — Capsiempis 
vide etiam Muscicapa. 
Cnipolegus vide Knipolegus. 
Coryphotriecus gen. n., Ridgway, 
Washington, D.C., Proc. Biol. Soc., 19, 
(115). 
Elaenia frantzii subsp. n. stolzmanni, 
Ridoway, T.c. (116). 
Empidonax pusillus trailli in C. Peru, 
Berlepsoh and Stolzman, Ornis, 13, 
(90).— E. dificilis, Bailey, Condor, 8, 
(108). — E. insulicola = E . dificilis, Grin- 
nell, Condor, 8, (74). 
Hapalocercus vide Anaeretes. 
TIeterocercus, Key ; Hellmayr, Nov. 
Zool., 13, (327). 
Knipolegus unicolor, Kaup = K. 
cyanirostris (Vieill.) (318). — K. sclateri, 
nom. nov. pro unicolor, Pelz. (nec. Kaup.) 
(318).- — Muscicapa cristata, Less. = K. 
cyanirostris (Vieill.) (318). — Muscisaxi- 
cola striaticeps, Lafr. and d’Orb. referred 
to Knipolegus (318-319). — K. cinereus, 
Scl. = K. striaticeps (319) ; Hellmayr, 
T.c. 
Leptopogon tristis, Scl. and Salv. = 
Phyllo8carles ventralis angustirostris 
(Lafr. et d’Orb.) (321-322). — L. god- 
mani, Scl. = PogonotAccus ophthal- 
micus, Tacz. (322-323) ; Hellmayr T.c. 
Lophotriccus squamicristatus hypo- 
chlorus subsp. n. Berlepscii and Stolz- 
man, Ornis, 13 (85). 
Megarhynchus pitangua , M. caniceps, 
spp. n., Ridgway, Washington, I).C., 
Proc. Biol. Soc, 19, (116). 
Mionectes oleagineus pallidiventris 
subsp. n. Trinidad and Tobago ; notes 
on the genus ; Hellmayr, Nov. Zool, 13, 
(22). — M. olivaceus subsp. n. vene- 
zuelensis, Ridgway, Washington, D.C, 
Proc. Biol. Soc, 19, (116). 
Muscicapa luteocephala Less, referred 
to Heterocercus. — M- luteocephala, Lafr. 
= Neopelina arifrons (Wied), (327). — 
M. uropygiata Wied. is a subspecies of 
Attila brasiliensis, and comes from S.E. 
Brazil, (330) — A. validus Pelz. = A. 
bolivianus Lafr. : Lanius unirfus, Puch. 
=A. thamnophiloides (Spix) (330) ; id. 
T.c. — M. ventralis, Lafr. and d’Orb. = 
Capsiempis jlaveola (Licht.) (322) ; Hell- 
mayr, Nov. Zool, 13. — Muscicapa cris- 
tata vide Knipolegus. 
Muscisaxicola vide Knipolegus. 
Myiarchus pclzelni from Itaparica 
Island, Bahia, notes on, Nicoll, Ibis. 
1906, (668). — M. ferox subsp. n. actiosus 
Ridgway, Washington, D.C, Proc. Biol. 
Soc, 19, (116). — Myiarchus tuberculifer 
and nigriceps, distribution, Hellmayr, 
Nov. Zool, 13, (26). — Myiarchus vide 
etiam Tyr annus. 
Myiobius mevius saturatus subsp. n. 
Peru, Berlepscii and Stolzman, Ornis, 
13, (88). 
Myiotheretes striaticollis pallidus 
subsp. n. Tucuman, Berlepscii, Bull. 
Brit. Ornith. Cl, 16, (98). 
Oehthoeca leiicophrys tucumana subsp. 
n. Tucuman, Berlepscii, l.c. 
Orchilus vide Perissotriccus. 
Omithium pusilhim subjlavum, 
validity, Hellmayr, Nov. Zool, 13, (23). 
— Ornithion imberbe, nests and eggs 
Thayer, Auk, 23, (460-461). 
Perissotriccus Oberholser = Orchilus, 
Hellmayr, Nov. Zool, 13, (22). 
Pitangus sulphuratus trinitatis subsp. 
n. Trinidad ; notes on allies : Hellmayr 
T.c. (24). 
Pogonotriccus opthalmicus vide 
Leptopogon. 
