PROCELLARIA TURTUR.— Forst. 
Aves.— Plate LIV.— Female. 
P. cinereo casrulesceus, subtus alba ; regione ante oculos, superciliis, palpebrisque inferioribus albis , 
alarum tectricibus minoribus, scapularium apicibus, remigium tectricibus primariis, remigium 
quatuor pogoniis extemis, caudeeque apice sordido-brunneo-rubris ; cauda versus basin cinerea. Rostro 
nigro-viride, niandibula superiore ad apicem flavo-brunnea, inferiore livido-alba. Pedibus brunneo- 
rubris. Oculis nigro-brunneis. 
Longitudo ab apice rostri ad basin caudse 6 unc. 9 bn. ; cauda 1 4 unc. 
Colour. — The upper surface of the head dull pearl-grey, the feathers to- 
wards their points tinged with light brownish red, which is also the coloui ol 
their shafts. The back and sides of neck, the interscapulars, back, rump, 
upper tail coverts, scapulars, and the half collar on breast in front of wings 
between clear blueish and pearl-grey. Spaces in front of eyes, eyebrows, 
a stripe behind each eye, and the under parts of the neck and body clear 
white ; the flanks and under tail-coverts pale lilac-purple. The lesser wing 
coverts, the scapulars towai’ds their points, the primary quill feathers, the 
outer vanes of the four external quill feather, with their tips, and about the 
last third of the eight middle feathers brownish red, deadened with grey; 
the colour of the lesser wing coverts and scapulars of the two sides forms a dark 
bar somewhat in the shape of the letter V upon the back when the wings are 
folded. The secondary quill coverts, the primary quill feathers, save those 
already described, the whole of the outermost feather on each side of the tail, 
nearly all the second, and the first two-thirds of the rest dark ash-grey ; the 
inner vanes of the four external quill feathers dull pearl grey, fading toward 
the inner edges into white, which is also the colour of the edges of the inner 
vanes of the other quill feathers. Behind each eye a narrow longitudinal 
stripe of lilac-purple, and the feathers immediately under the lower eyelid, 
which is white, and those in front of the eye are of the same colour, only a 
shade lighter. The upper mandible towards the base livid blackish green, 
the hooked portion, and the edge of the mandible dull yellowish brown ; the 
tip of the lower mandible dull livid white, elsewhere coloured as the upper 
