[Cases 
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93, 24, 
[Case 24.] 
_ 
44. BIRD GALLERY. 
The second subfamily Procellariine includes the true Petrels. The 
Shearwaters (Pufinus) are numerously represented in all the great 
oceans of the world, and derive their name from their curious habit of 
skimming just over the surface of the waves. The Manx Shearwater 
(P. anglorum) (810) is widely distributed over British waters throughout 
the year, and breeds on many of the islands off the coast, while the 
Greater (372), Mediterranean Greater (371), Sooty (868), and Little 
Dusky (869) Shearwaters are visitors to our shores, the latter being 
much the rarest. 
The allied genus Gstrelata, including some thirty species, is interesting 
from the fact that three of the species have each been recorded once from 
Britam, Of these a specimen of the Collared Petrel (2. brevipes) (365) 
killed in Wales is exhibited, also Schlegel’s Petrel (@. neglecta) (865 a), 
but the Capped Petrel (C2. hesitata) is so rare that only one example 
exists in the Museum collection. 
Bulwer’s Petrel (Bulweria bulweri) (364), a curious sooty-black form, 
is common in the Madeiran waters, and has occurred once in Yorkshire 
and once in Sussex, where a specimen was picked up dead. The Pintado 
Petrel or “ Cape Pigeon” (Daption capensis) (863), as its name implies, 
is numerous off the South African coast, and well-known from its habit 
of accompanying ships for the sake of the scraps of food thrown over- 
board. Lastly we may draw attention to the beautiful Snowy Petrel 
(Pagodroma nivea) (862), a native of the icy regions of the South. 
On the floor of this Case will be found the Giant Petrel or “ Nelly ” 
( Ossifraga gigantea) of the Southern seas, the largest of the true Petrels. 
Apart from its size this species is remarkable for possessing both a light 
(376) and a dark (877) phase of coloration, some individuals being dark 
brown and others almost entirely white. Examples of both types are 
shown. The Fulmar Petrel (Fulmarus glacialis) (879) is a well-known 
inhabitant of the seas of Arctic Europe, and nests within our limits on 
St. Kilda and the Shetland Islands. Two phases of plumage are known, 
some examples hayimg the under surface white, while in others these 
parts are grey. The Broad-billed Blue Petrel (Prion ariel) (380) 
represents a small group remarkable for the presence on each side of the 
bill of long lamelle, resembling those of the Ducks. Of the small long- 
legged Petrels, commonly known as * Mother Carey’s Chickens,” and 
placed by some authors in a separate subfamily, Oceanitine, quite a 
number appear on the list of British Birds. Two, the Storm-Petrel 
( Procellaria pelagica) (881) and Leach’s Fork-tailed Petrel (Oceanodroma 
leucorrhoa) (382), breed on some of the islands off the west coast of 
Britain, while Harcourt’s Storm-Petrel (0. castro) (883), Wilson’s 
Storm-Petrel (Oceanites oceanicus) (881), and the beautiful White- 
breasted or Frigate-Petrel (Pelagodroma marina) (385) are accidental 
visitors to our shores. 
