PASSERBS. 
Aves 37 
Tyrannidac. 
Cnipolegus cinereus, $ $ figured ; 0. Salvin, Ibis, 1880, p. 357, pi. x. 
Empidonax acadicus and E. trailli : on their nesting in Missouri; E. 
Coues, Bull. Nutt. Orn. Club, v. pp. 20-25. 
Myiarchus mexicanus : remarks on ; R. Ridgway, Pr. U. S. Nat. Mus. i. 
[March, 1880], pp. 13-15. 
Myiochanes nigrescens, sp. n,, P. L. Sclater & O. Salvin, P. Z. S. 1880, 
p. 157, Sarayacu in Ecuador. 
Ochthoeca poliogastra, sp. n., O. Salvin & F. D. Godman, Ibis, 1880, ' 
p. 123, Sierra Nevada de Santa Marta. 
Platyrrhynchus senex, sp. n., P. L. Sclater & O. Salvin, P. Z. S. 1880, 
p. 156, Sarayacu in Ecuador. 
Serphophaga alho-grisea, sp. n., iid. 1. c. Sarayacu in Ecuador. 
Syristes albo-cinereus, sp. n., iid. 1. c. Upper Amazon, Sarayacu in 
Ecuador, and Colombia. 
Tyrannus: remarks on some species of this genus; P. L. Sclater, 
P. Z. S. 1880, pp. 28-30. 2\ niveigularis (pi. iii.) figured, with woodcut 
of its wing-end, and also of the wing-end and the tail-end of T. alhigu- 
laris ; 1. c. [See also Ridgway, Zool. Rec. xvi. Aves, p. 25, and Tyrannus, 
p. 45.] 
P1PRID.E. 
Ileterocercus aurantiivertex, sp. n., P. L. Sclater & 0. Salvin, P. Z. S. 
1880, p. 157, Sarayacu in Ecuador. 
COTINGIDiE. 
Ptilochloris buclcleyi, sp. n., P. L. Sclater & O. Salvin, P. Z. S. 1880, 
p. 158, figured pi. xvi., Pindo, Ecuador. 
DENDROCOLAPTIDiE. 
Automolus dorsalis, sp. n., P. L. Sclater & O. Salvin, P. Z. S. 1880, 
p. 158, Sarayacu in Ecuador. 
Geositta antarctica, sp. n.. Von Landbeck, Arch. f. Nat. 1880, p. 274, 
figured pi. xii., Tierra del Fuego. 
Phacellodonius sibilatrix, Doring, MS., exhibited ; P. L. Sclater, P. Z. S. 
1879, p. 461, Cordova, Argentine Republic. [Apparently a new species, 
undescribed elsewhere.] 
Pseudocolap tes costaricensis, sp. n., distinguished from P. boissoneauti ; 
A. Boucard, Bull. Soc. Z. Fr. v. p. 230, Navarro, Costa Rica. 
FoRMICARIIDtE. 
Dysithamnus subplumbeus, sp. n., P. L. Sclater & O. Salvin, P. Z. S. 
1880, p. 158, Sarayacu in Ecuador, Zamora, Yquitos, E. Peru. 
Grallaria dignissima, sp. n., iid. tom. cit. p. 160, figured pi. xvii., Sara- 
