chekrie: orxitikh.oc.v of the Orinoco region. 349 
STRIGIDAE— THE BARX OWLS. 
TvTO PERL.\T.\ I.iclitensteiii. 
Strix pcrlata Licht., \'erz. Doubl. p. 59, 1823. 
Strix flammea pratincola Berlepsch, Ibis. 1884. p. 435 (Rio Apurc). 
In 1884 Berlepsch recorded a specimen from "Rio Apure." Not ob- 
served by the writer. 
BUBONIDAE— THE HORNED OWLS AND THEIR ALLIES. 
Only three species are included in the Berlepsch and Hartert 
paper. Two additional species are added in the present lisfi. 
Speotvto cunicul.-\ria braciivptera Richmoiul. 
Speotyto brachyptera Richm., Proc. U. S. N. M. XVIII. 1896. p. 663. 
Speotyto cunicularia brachyptera Berlepsch & Hartert, p. 116. 
Not common, but found everywhere throughout the savanna 
region. 
Eye lemon yellow; bill olive yellow; feet dusky olive. 
Otus cholibus ( Vieillot). 
Strix choliba VieilL, Nouv. Diet. VII. 1819. p. 39. 
Pisorhina choliba ( Psubsp.) Berlepsch & Hartert, p. 116. 
Not common, but noted at all points visited along the Orinoco. 
Eye lemon yellow; bill greyish horn color; feet dusky brownish. 
A nest of this species containing a single fresh egg was found 
at Quiribana de Caicara, April 6, 1898. The nest was a natural hollow 
in a limb of a scrub oak, about one metre and a half from the ground. 
No nesting material had been taken into the nest cavity. A second 
nest similarly placed was found at Agua Salada de Ciudad Bolivar, 
April 18. 1907. This nest contained a single egg which was taken 
together with the female parent bird. The egg is white, short ovate 
in form and measures 35 x 29.5 mm. 
Rhinoptvnx clamati^r (X'ieillnt). 
Bubo clamator Vieillot, Ois. de I'America Sept. p. 52. PI, 20. 1807. 
This species was noted at \arious points along the middle ( )ri 
be added. Several 
