302 ORNITHOLOGY OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 



beyond the under wing-coverts (separated by Dr Hartert as P. kuhli flavirostris). 

 The dimensions of two of the latter are as follows : 



(a) Wing 13'4 ins. ; culmen 2'1 ins. ; tarsus 2'2 ins. ; mid-toe "2'7 ins. 

 (1>) Wing 14'0 ins. ; culmen 2'1 ins. ; tarsus 2'2 ins. ; mid-toe 2'7 ins. 



Shearwaters similar to these species were seen on July 7th to 10th, from the Azores 

 north-westwards to 43 N., 19 30' W. A Black-backed Gull resembling Laru* inarm /i.^ 

 was seen on July 3rd and 4th. 



