119 Avee. 
Systematic. — Tyrannidae, Piprioae. 
5831 
Microtriccus gen. n. Type Tyrannulus 
semiflavus Sclater and Salvin, Ridoway, 
Washington, Proc. Biol. Soc., 18, 1905, 
(209-210). 
Tyranniscus petersi sp. n. Caracas, 
Berlepscii, Ornis, London, 14 (359- 
360). 
Elaenia; Key to the species, Ber- 
lepscii, T.c. (435-438) ; geographical 
distribution of the species, id. T.c. 
(438-442). — E. martinica cayman- 
ensis subsp. n. Grand Cayman and 
Little Cayman, id. T.c. (394-395) ; E. 
martinica complexa subsp. n. Cayman 
Brae, id. T.c. (395-396) ; E. martinica 
pemota subsp. n. Cozumel Island, 
id. T.c. (396). — E. pelzelni sp. n. 
Rio Negro, id. T.c. (397-398) ; E. 
brachyptera sp. n. S. W. Colombia 
and N. W. Ecuador, id. T.c. (407-408).— 
E. albiceps parvirostris from the Rio 
Solimoes, Hellmayr, Nov. Zool. 14 (47, 
48). — E. obscura tambillana subsp. n. 
Tambillo and Callacate, N. Peru: Ber- 
lepsoh, Ornis, London 14 1907 (419) ; 
E. gaimardi guianensis subsp. n. Guiana 
and N. Brazil, id. T.c. (421) ; E. 
gaimardi bogotensis, subsp. n. U.S. 
Colombia, id.Tc. (421-422); E.viridicata 
delicata, subsp. n. Venezuela to S.E, 
Brazil, id. T.c. (430-431). 
Elainopsis gen. n. Type Elainea elegans 
Pelzeln, Ridoway, Washington, Proc. 
Biol. Soc., 18, 1905, (209-210). 
Tyrannopsis gen. n. Type Muscicapa 
sulphurea Spix, Ridoway, T.c. (208- 
209). 
Tolmarchus gen. n. Type Pitangus 
taylori Sclater Ridoway. l.c. 
Oncliorliynchus castelnaui Dev. = 0. 
coronatus (P. L. S. Mull.) Hellmayr, 
Nov. Zool. 14 (12). 
Myiobius erythrurus fulvigularis, 
Salv. & Godm. from the Rio Solimoes ; 
range. Hellmayr, T.c. (48).— M. ery- 
thrurus hellmayri , sp. n. Para, Sneth- 
lage, Ornith. Monatsber. Berlin, 1907 
( 195). 
Terenotriccus gen. n. Type Myiobius 
fulvigularis Salvin & Godman, Ridoway, 
Washington, Proc. Biol. Soc., 18, 1905, 
(207-208). 
Myiotriccus gen. n. Type Tyrannula 
phoenicura Sclater, Ridoway, T.c. (207- 
208). 
Aphanotriccus gen. n. Type Myiobius 
capitali8, Salvin, Ridoway, T.c. (207- 
208). 
Empidochanes pcecilocercus , Pelzeln, 
from the Lower Amazon, Hellmayr, 
Nov. Zool. 14 (12). 
Empidonax lawrencei , Allen, from the 
Rio Solimoes, Hellmayr T.c. (49). — E. 
virescens breeding in Connecticut, 
Porter, Auk, 24, (99). — E. insu- 
licola — E. dijficulis, Grinnell, Condor, 
7, 1905, (51-52). — E. c anescens, Salv. 
& Godm. = E.griseus, Brewster, Nelson, 
Auk, Cambridge, Mass., 24, (99-100). 
Hylonax gen. n. Type Myiarchus 
validus , Cab. Ridoway, Washington, 
Proc. Biol. Soc., 18, 1905, (209-210). 
Tyrannus chloronotus sp. n. Temax, 
Yucatan, Berlepsoii, Ornis, London 14 
(474). 
Pipridae. 
Pipra aureola flavicollis. Notes on 
geographical distribution. Hellmayr, 
Nov. Zool. 14 (358). P. caelesti-pileata 
distinct from P. exquisita, id. T.c. (359) ; 
Ranges of the sub-species, id. T.c. (360) ; 
P. nattereri and P. stolzmanni from the 
Rio Madeira, id. T.c. (360, 361) ; P. fas- 
ciicauda, Hellm. from the Lower Ama- 
zons, id. T.c. (12) ; P. fasciicauda puru- 
siana, subsp. n. Ponte Alegre, R. Purus, 
Snetiilage, Ornith. Monatsber. 1907 
(160-161). — P. nattereri from the Rio 
Madeira, Rothschild, London, Bull. 
Brit. Ornith. Cl. 19 (49). — P. erythro- 
cephala from Obidos, P. rubrocapilla 
from Para, Hellmayr, Nov. Zool. 14 
(30, 31, 49). — P. virescens , Notes on, 
Snetiilage, J. Ornith., Leipzig, 1907, 
(289). — P. hoffmannsi sp. n. Rio Soli- 
moes, Hellmayr. Nov. Zool. 14, (49, 50). 
Allocotopterus gen. n. type Pipra 
deliciosa Sclater, Ridoway, Washington, 
Proc. Biol. Soc, 18, 1905, (208-209). 
Chiroxiphia regina from the Rio 
Madeira, Hellmayr, Nov. Zool. 14 (361). 
Scotothorus amazonum amazonum and 
8. a. wallacei , Notes on, id. T.c. (361, 
362). 
H eteropelma rufum Pel z . = Schiffornis 
major (Des Murs). id. T.c. (362). 
