74 
ZOOLOGICAL LITERATURE. 
lies Myiophonince, Cinclince, and Timaliince, and the Thamnophilince, Formi- 
civorina, and Formicariince of the New World, forms, he thinks, a large and 
very natural family of short-winged terrestrial or semi-terrestrial insecti- 
vorous birds.” 
Pitta areas, sp. n., from Formosa, allied to P. cyanoptera and to P. nympha. 
From the former it may he distmguished by its reddish crown and light 
under parts ; from the latter by the colour of its crown and the want of the 
black chin. It. Swinhoe, Ibis, 1864, p. 428. 
Formicariid^. 
Myrmecka Icemosticta, sp. n., from Costa Rica. 0. Salvin, P. Z. S. 1864, 
p. 682. 
Qrallaria dives is a new species from Costa Rica, allied to G. fidviventrisvtXidi. 
O, macularia, but differing from the former by the rufous margins of its 
remiges, from the latter by the want of a bare space round the eye, and from 
both by its straighter hind claw. 0. Salvin, P. Z. S. 1864, p, 682. 
Ilypocnemis Jlavcscens is an undescribed species, discovered by Natterer in 
Brazil, resembling H. eantator, but easily distinguished by its yellow breast. 
P. L. Sclater, P. Z. S. 1864, p. 609. 
Pittasoma michleri is mentioned and figured. J. Cassin, Proc. Acad. 
Philad. 1864, p. 287, pi. 3. 
Thamnophilus dolialus and T. amazonicus of Lawrence (from Panama) are 
referred to T. ajfinis and T. ncevius respectively. P. L. Sclater and 0. Salvin, 
P. Z. S. 1864, p. 355. 
Myrmotherula gularis, from Esmeraldas (P. Z. S. 1860, p. 294), belongs 
strictly to M. Jluviventris of Lawrence, the latter being easily distinguished 
by the fulvous belly. P. L. Sclater and 0. Salvin, P. Z. S. 1864, p. 350. 
Formicicora quixensis of Lawrence (from Panama) is referred to F. houcardi, 
F. consohrina (from Ecuador) being slightly different. P. L. Sclater and 0. 
Salvin, P. Z. S. 1864, p. 356. 
Gymnocichla nudiceps. The female described. It is closely allied to Pyri^ 
glena. The Pithys rufigidaris ( ^ ) and Myrmecka ferruginea of Mr. Lawrence 
(from Panama) are referred to this species. P. L. Sclater and 0. Salvin, 
P. Z. S. 1864, pp. 356, 357. 
Myrmecka immaculata is a new species from Panama, difiering from the 
M. exul of Sclater, with which it was confounded by Mr. Lawrence, by not 
having its wing-coverts spotted with white, and being larger. P. L. Sclater 
and 0. Salvin, P. Z. S. 1864, p. 357. 
Pteroptochid^. 
Pteroptochus thoracicus is an undescribed species, discovered by Natterer in 
Brazil, allied to P. albicollis, but smaller in bulk, with a shorter bill (which 
has a straight culmen and an ascending gonys) and a pectoral spot. The form 
is subgenerically (if not generically) distinct, and may stand as a separate 
section, for which the name Liosceles is proposed. P. L. Sclater, P. Z. S. 
1864, pp. 609, 610 (woodcuts), plate xxxviii. 
Dendrocolaptida2. 
Thripophaga guttuligera, a new species received from Bogota by MM. Ver- 
