208 BROOKLYN INSTITUTE -MUSEUM. SCIENCE BULLETIN 2. 6. 
The set consisted of three eggs in which incubation had begun. 
The eggs seem somewhat large for the size of the bird ; they are 
elongate ovate in form and measure 28 x 18.75 I 28.5 x 18.5 and 27.5 x 18 
mm. respectively. In color they are white, with a faint bufify pink shade, 
rather thickly marked, especially about the larger end, with two or 
three sets of markings consisting of dots, spots and irregular lines and 
blotches of brown. The outermost ones are clove brown superimposed 
on a brown, nearly a burnt umber in shade which overlies an inner set 
of markings varying in shade from a drab-brown to a smoke grey. 
Roth parent birds were present and evinced much solicitude for their 
home. 
Birds of this species are frequently kept in cages by the natives. In 
the market ])lace at Ciudad Bolivar they bring fancy prices. 
GvMNOMvsTAX MEXiCANus (Linnaeus). 
Oriolus mexicaiius L., Syst. Nat. ed. 12. I. 1766. p. 162. 
Gymnotnysta.r mrxicanus Berlepsch & Hartert, p. 32. 
Native name Maizcro. Common from Ciudad Bolivar to the month 
of the Apure. In fresh birds the eye is seal brown, bare skin about 
eye black ; bill black ; feet black. 
When I reached Ciudad Bolivar in .\pril (1905), great flocks of 
these birds were to be seen everv morning and evening feeding on a 
swampy piece of ground just back of the city. 
A nest with set of eggs was taken at Caicara, May 8, 1907. It is a 
somewhat thick walled open cup, or bowl-shaped aflfair constructed of 
weed and grass stems and having the nest cavity lined with medium 
coarse rootlets. The materials are loosely, but neatly woven together. 
The nest measures inside 5.5 cm. in depth by about 8.5 cm. in diameter : 
outside II cm. in depth by 17 cm. in diameter. It was in the top 
of a Chaparo oak amid the thickly tangled branches of a parasitic plant 
about 6.10 m. from the ground. The eggs, three in number, were fresh. 
They are between an ovate and a short ovate in form, and measure 
26.5x20.5; 26x20 and 26.5x20 mm. In color they are a very pale 
bluish (pale nile blue) marked chiefly about the larger end, with dots, 
spots and blotches, of brown varying in shade from a clove-brown, the 
outermost markings, through burnt umber to drab, the latter underlying 
the darker markings. 
\Mth these eggs w-as found a single fresh egg of the \'enezuelan 
Cowbird, Molothrus venezuelensis. 
