TURDUS CYANEUS. 
Catalogue of Birds from Java. In all of them the bill is comparatively long, straight, 
and abruptly inflected at the extremity. The culmen, or back, is broad, and con- 
stitutes a prominent rounded keel. They will probably be found to constitute a 
natural group among the Silvaius. 
General colour pure raven-black, with a violet blue lustre diffused throughout 
the upper parts, and underneath, chiefly over the breast and anterior parts of the 
abdomen. When exposed to a strong light, the blue tint passes to a saturated azure, 
which shews itself most strongly on the shoulder and anterior margin of the wings. 
The feet and bill are intensely black. The plumes of the abdomen and vent 
are lengthened, having loose silky barbs, which are white at the base, and exhibit 
marks of this colour when slightly deranged from their natural position. 
The proportions of the parts of this bird are the same as those of Turdus 
varius, and it measures in length nine inches and an half 
