PUFFINU8 CINEREUS.— Lin. 
Aves.— Plate LYI. 
P, supra fusca, flavo-brunneo-tincta, infra cinerco-brunnea ; remigibus, rectricibus caudseque tectricibus 
inferioribus brunneis. Rostro livido-brunneo, adapicem flavo brunneo. 1’ arsis antice flavo-brunneis 
postice externeque brunneo- rubris : oculis brunneis. 
Longitudo a rostri apice ad basin caudce 13 unc. 2 lin. ; caudaj 3 unc. 10 lin. 
Peocellaria puffinfs et cinerea, Lin. 
Colour. — Above dull amber-brown, faintly tinged with yellowish brown, 
the scapular and interscapular feathers narrowly tipped with dull wood- 
brown ; the tail and quill feathers deep umber brown ; chin and throat dull 
rusty grey, tinged with lilac-purple ; breast, belly, and vent broccoli-brown > 
tinted with wood-brown, and the breast has besides a lilac-purple gloss ; 
flanks posteriorly strongly shaded with brown ; under tail coverts dull umber- 
brown. Bill at the tip yellowish brown, elsewhere liver-brown. Eyes dark 
brown. The posterior and outer sides of the tarsi, in the preserved specimen, 
dark brownish red, the anterior edges yellow, the inner sides yellowish brown; 
the outer toe brownish red, the middle and inner yellowish brown ; the inter- 
digital membranes ochre-yellow, slightly deadened with brownish red; claws 
yellowish brown, except the tips, which are liver brown. 
Form, &c. — Figure moderately" robust ; body rounded. Head slightly 
compressed, and superiorly arched. Bill slender and subcylindrical, the 
sides slightly flattened; nasal tube raised above the level of the culmen, broad, 
depressed, and terminated anteriorly by two nostrils, which are separated by 
a broad septum, with a slope towards the culmen, the corneous part of the 
common tube superiorly not united ; culmen broad, slightly round and sepa- 
rated on each side from the lateral parts of the bill by a longitudinal furrow, 
which terminates at the commissure nearly opposite where the cutting edges 
of the lower mandible begin to curve downwards ; the hook of upper mandible 
compressed and moderately arched from the base, its apical poition perpen- 
dicular and accuminated. The lower mandible curved downwards at the 
