PUFFINUS CINEREUS.—L in .
A v es.— P late LVI.
P, supra fusca, flavo-brunneo-tincta, infra cinereo-brunnea; remigibus, rectricibus caudeeque tectricibus
inferioribus brunneis. Rostro livido-brunneo, adapicem flavo brunneo. Tarsis antice flavo-brunneis
postice externeque brunneo-rubris: oculis brunneis.
Longitudo a rostri apice ad basin caudse 13 unc. 2 lin.; caudee 3 unc. 10 lin.
P bOCELLARIA PUFFINUS ET CINEREA, Lin.
C olour.—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 interdigital
membranes ochre-yellow, slightly deadened with brownish red; claws
yellowish brown, except the tips, which are liver brown.
F orm, &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 oilmen, the corneous part of the
common tube superiorly not united ; oilmen broad, slightly round and separated
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 portion perpendicular
and accuminated. The lower mandible curved downwards at the