ii 
BULWER’S PETREL. 
(BuLWERIA COLOMBINA.) 
Admitted to the B.O.U. List on a single occurrence. 
Admitted by H. Saunders on one ‘‘authenticated example.” 
Rejected by Seebohm, as having occurred but once in these 
Islands. 
THE SOOTY SHEARWATER. 
(PuFFINUS GRISEUS.) 
(CINEREUS Maca.) 
Certain information as to the dimension of the egg of 
this bird seems wanting. Seebohm says the bird is za- 
termediate in size between the Great Shearwater and 
the Manx Sheawarter. 
The average egg of the Manx Shearwater is 2.40 by 
1.65 inches. 
The egg of the Great Shearwater, which I have 
received from Mr. Bidwell, is 2.90 by 1.90. inches. The egg of 
‘Nectris Cinereus,’ which I have received from Dr. Miller 
of Frankfort, is 2.75 by 1.81 inches imtermediate tn size be- 
tween the Great and the Manx Shearwater’s eggs. 
Saunders says the bird is smaller than ‘ P. Kuhli,’ 
whose egg also is intermediate between the Great and 
Manx Shearwater’s eggs, namely 2.60 by 1.70. 
If these conclusions are correct the egg of ‘ Griseus’ 
should range tn size between the egg of ‘Kuhli’ and the 
egg of ‘Anglorum’ i.e. between 2.60 by 1.70 and 2.40 
by 1.65 inches which would by no means be intermediate 1n size 
between the eggs of the Great and Manx Shearwater’s, as 
the birds are described to be by Seebohm; and which 
condition is fulfilled in the egg of ‘Nectris Cinereus’ 2.75 
by 1.81, inches mentioned above. 
