AVES. 91 
be due to the reddish lichen (Spiloma roseuni) of which the nest is partly 
composed.] 
Doricha hryantcB is a new species from Costa Rica, allied to D. eX)elynm and 
jD. elizcB.^ with a longer bill and narrower tail than the former, and a less bril- 
liant throat than the latter, besides other differences. G. N. Lawrence, Ann. 
Lyc. N. York, 1867, pp. 483, 484. 
Aylceactis olivaceocauda is described as a new species from Peru. G. N. 
Lawrence, Ann. Lyc. N. York, 1867, pp. 470-472. [A comparison of the 
types proves it to be identical with A. caurnatonota, Gould (P. Z. S. 1868, 
p. 12). 0. Salvin, Ibis, 1868, p. 116.] 
Ilcliomaster spectahilis is described as a new species from Costa Rica. G. 
N. Lawrence, Ann. Lyc. N. York, 1867, pp. 472, 473. [It is the female of a 
species of Eugenes and probably of E. fidgens (Swains.). 0. Salvin, Ibis, 1868, 
pp. 115, 251.] 
Oreopyra vemista and O. cinereicauda are described as new species from 
Costa Rica. The last is allied to O. leucaspis, but having a grey instead of a 
steel-blue tail. G. N. Lawrence, Ann. Lyc. N. York, 1867, pp. 484, 485. [O. 
venusia is identical with O. calol<^ma, as a comparison of the types prove. 0. 
Salvin, Ibis, 1868, p. 116,] 
Thaumatias lucice is described as a new species from Honduras, much like 
T. limueij except as to the tail, the under surface of which closely resembles 
T. chionopcctus. G. N. Lawrence, Proc. Ac. Philad. 1867, p. 233. 
Euplierma nigriventris is described as a new species from Costa Rica, with 
a combination of colours of unusual character, but allied probably to E. eximia. 
Id. tom. cit. pp. 232, 233. 
PASSERES. 
PiTTID/E. 
Pitta macldoti [?] has occurred at Cape York, North Australia ; and P. stre- 
pitans [?] from the same locality differs from more southern specimens in its 
smaller size, markings, and shape of the bill and feet. G. Krefft, P.Z. S. 
1867, p. 319. 
Pitta mackloti [?] (ex Australia) is figured. S. Biggies, Orn. Austral, 
part xiv. ( Cf. Ibis, 1868, p. 348.) 
P1iile2n(ta Jala and P. schlegeli (Zool. Rec. iii. p. 86) are figured. II. 
Schlegel and P. L. Pollen, Rech. Faun. Madag. pp. 87-89, pis. 31, figs. 
1-3, and 32, figs. 1-3. 
Formicariid^. 
Thamnophilus murinus, Natterer,” is an undescribed species from Cayenne, 
Northern Brazil, and Eastern Peru, allied to T. cceridescens and T. amazonicus. 
P. L. Sclater & O. Salvin, P. Z. S. 1867, p. 766. 
Thamnophilus hypei'ythrus, Gould (Ann. & Mag. N. II. 2jnd ser. xv. 1856, 
p. 346) is Myrmelastes plumheus $ , Sclater (P. Z. S. 1868, p. 274). lidem, tom, 
cit, p. 981. 
Thamnophilus tenuifasciatus and T. nigrcsccns are two now species belong- 
ing to the same group as T. dolialus. The first is from the Rio Napo, and 
has the transverse lines narrow and more clearly defined than any of the 
others; the second is from Venezuela, and differ^ strikingly in its much 
blacker appearance, without the greyish character prevailing in the lower 
