MICROCERCULUS.—UROPSILA. 77 
subsequently not unfrequently met with in the same districts, and often heard in the 
forest country lying between Cahabon and San Luis. The song of MM. philomela is 
remarkable for its sweetness and for the high notes of which it is composed. It is clear 
and melodious, without having much variation. The bird appeared well known to the 
native hunters under the name of “ Ruisefior” (or Nightingale), a title its vocal 
powers have gained for it. We only found it in the undergrowth of the virgin forest, 
where, but for its song, it would be a most difficult bird to see, owing to its small size 
and the sombre tints of its plumage. | 
Some diversity of colour is observable in different specimens of this bird, the throat 
of some being much lighter-coloured and the crescent-shaped marks of the under surface 
paler. These examples may have been young birds, 
2. Microcerculus luscinia, (Tab. V. fig. 4.) 
Cyphorhinus bambla?, Lawr. Ann. Lyc. N. Y. vii. p. 820° (nec Bodd.). 
Cyphorhinus philomela, Lawr. Aun. Lyc. N. Y. vii. p. 467° (nec Salv.). 
Microcerculus philomela, Baird, Rev. Am. B. i. p. 114° (partim, nec Salv.). 
Microcerculus luscinia, Salv. P. Z.S. 1866, p- 69 *, 1867, p. 184°, 
M. philomele affinis, sed dorso haud transfasciato, gutture albido et corpore subtus haud fuliginoso lavato, rostro 
quoque longiore differt. Long. tota 4-0, alee 2-2, caude 0-9, tarsi 0°85, rostri a rictu 0°85. (Deser. maris 
ex Santa Fe in Statu Panamensi. Mus. nostr.) 
Hab. Panama, Santa Fé and Santiago (Arcé>), Lion Hill (M*Leannan ' 23), 
This Wren was a discovery of M‘Leannan’s, who shot a female specimen on the 
ground in the jungle, and sent it to Mr. Lawrence!, That naturalist at first referred 
it with doubt to the Guiana I. bambla', but afterwards to the Guatemalan philo- 
mela*. Prof. Baird, on examining this specimen and comparing it with one of JI. 
philomela, considered it to be a more adult specimen of the last-named species?; and 
it was only on the receipt of two additional examples that Salvin separated the species 
under the name of MW. luscinia*. The two are doubtless nearly allied; but the differ- 
ences seem constant and sufficiently recognizable. No accounts of the habits of this 
bird have yet reached us. 
Another near ally of IL. luscinia is M. albigularis, Scl., from the valley of the N apo 
in Ecuador; but in that species the throat is of a purer white, the legs yellowish instead 
of dark brown, and it is smaller in all its dimensions. 
UROPSILA. 
Uropsila, Sclater and Salvin, Nomencl. Av. Neotrop. p. 155 (1878). (Type Troglodytes leucogastra, 
Gould.) 
This genus contains but the type species, a bird which has been at different times 
assigned to Troglodytes by Mr. Gould, to Cyphorhinus by Mr. Sclater, to Heterorhina by 
