Critical Notes on the Procellariidse. 351 



that between the 16th and 26th of August mention is made 

 of their oecuri'euce. 



— SOMATERIA SPECTABILIS, 



A large flock of King Eiders were seen on the 9th of June, 

 and others were seen on the 14th. A pair were shot on the 

 I7ih, and others were seen on the 20th and 21st. On the 

 3rd of July a nest with three eggs was found, and between 

 the 20th and the 26th floeks of females were seen. 



— FULIGULA GLACIALIS. 



Long-tailed Ducks were heard on the 5th of June, but do 

 not appear to have been seen until the 20th. They were 

 occasionally observed for some weeks ; and between the 16th 

 and 26th of August they appeared in large flocks. 



Anas Formosa. 



The Baikal Teal is described as very rare ; but a nest with 

 four fresh eggs was taken on the 29th of June. The species 

 is doubtfully recorded on the 3rd of July, but no example is 

 said to have been obtained. 



XXXVI. — Critical Notes on the Procellariida. 

 By OsBERT Salvin, M.A., F.R.S., &c. 



In the first volume of the late Mr. G. Dawson Rowley's 

 ' Ornithological Miscellany ' 1 published two articles on the 

 Procellariidse under the above given title. I now propose to 

 continue the series, with a view to preparing the ground for 

 the completion of a long-promised Monograph of the family. 

 The present paper has been based chiefly on an examination 

 of some of the specimens brought to England by Sir Walter 

 Buller from New Zealand, the determination of which was 

 necessary for the second edition of his ' Birds of New Zea- 

 land,^ now in course of issue. 



Some other specimens have also been examined, as will be 

 seen from the following notes. The arrangement of the 

 series of specimens in the British Museum, and the incorpo- 

 ration with it of Gould's, Mr. Seebohm's, and our own col- 



SER. V. VOL. VI. 2 c 



