34 Aves. 
AYES. 
Zeledon, J. C. Catalogue of the Birds of Costa Rica, indicating those 
species of which the United States National Museum possesses 
specimens from that country. P. U. S. Nat. Mus. viii. pp. 104-118. 
Zeimer, E. [See Matschie, P.] 
CARINAT2E. 
PASSERES. 
(As different ideas prevail as to the sequence of families, they are here 
arranged alphabetically under their respective sub-orders.) 
OLIGOMYODI. 
CoTINGIDvE. 
Attila cozumelce, sp. n. [= Attila sp. ?, Salvin, Ibis, 1885, p. 191], 
Cozumel I., Yucatan ; R. Ridgway, P. U. S. Nat. Mus. viii. pp. 572 & 573 
[also P. Biol. Soc. Wash. iii.]. A. griseigularis , sp. n., near A. cinereus , 
Sta. Catharina, Brazil (?); H. v. Berlepsch, Ibis, 1885, p. 290. 
Airtia hypopyrrha (Vieill.), from B. Guiana, is perhaps distinct from 
A. sibilatrix (Wied.), of Brazil; O. Salvin, t. c. p. 303. 
Chasmorliynchus nudicollis, skeleton figured; A. B. Meyer, Abbild. 
Yogel-skel. pi. lxxsiii. 
Haclrostomus sp. ? from I. of Cozumel, Yucatan; 0. Salvin, Ibis, 
1885, p. 191. 
Iodopleura leucopygia , sp. n., very near I. pipra, for which it was taken 
by Cabanis [in Schomburgk’s Guiana] ; the two specimens, no doubt, are 
from B. Guiana ; id. t. c. p. 305. 
Pachyrhamphus griseigularis , $ and $ diagnosed ; id. t. c. p. 302, 
pi. viii. 
Pyroderus scutatus ( Threncedus rubricollis , Cab., in Schom. Guiana) 
prob. = P. orenoeensis ; id. t. c. p. 306. 
PlTTIDiE. 
Pitta fig. ; A. Newton, Encycl. Brit. ed. 9, xix. P. baudii , do the 
sexes differ in plumage? ; F. H. II. Guillemard, P. Z. S. 1885, p. 414. 
P. ( Prytbropitta ) finschi, sp. n., Astrolabe Mts., New Guinea ; E. P. 
Ramsay, P. Linn. Soc. N. S. W. ix. p. 864. P. macJcloti, description of 
egg from Waigiu ; A. Nehrkorn, J. f. O. 1885, p. 33. 
Tykannim:. 
Anceretes nigricristatus, sp. n., Stolzm., MSS., Chota, Peru ; L. Tacza- 
nowski, Orn. du Perou, ii. p. 555 [1884]. 
Contopus depressirostris, Ridg., MS., sp. n., Los Sabalos, Nicaragua; 
