PUFFINU8 CINEREUS.— Lin. 



AvEs. — Plate LVI. 



r. supra fusca, flavo-brunneo-tincta, infra cincreo-bninnea ; remigibup, rectricibus caudaeque tectricibus 

 inferioribus brunneis. Rostrolivido-brunneo, ad apiccm flavo brunneo. Tarsis antice flavo-bniiineis 

 postice externeque brunneo-rubris : ociilis brunneis. 



LoNGiTUDO a rostri apice ad basin caudse 13 unc. 2 lin. ; cauda' 3 unc. 10 lin. 



Procellaria puffints 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 broMaiish 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 ciihnen, broad, 

 depressed, and terminated anteriorly by two nostrils, which are separated by 

 a broad septum, with a slope towards the admen, the corneous part of the 

 common tube superiorly not united ; ciilmeu 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 portion perpen- 

 dicular and accuminated. The lower mandible curved downwards at the 



