VOL. VI.] BRITISH LESSER BLACK-BACKED GULL. 7 



Wing. Exposed 



° culmen. 



inches mm. inches mm. 



Ad. cJ Faeroes 7.vii.28 



(Tring coll.) 



„ Madeira 28.ii.04 



(D. Bannerman coll.) 

 Ad. $ Caithness (Summer) 15.80 402 1.90 50 



FiBroes 9.viii.73 15.80 402 1.83 48 



,, Terceira, Azores . . . . 4.iv.03 



?[Sex Oran, Morocco . . . . 6.iii.78 



?„ ? cJ Torquay, England ..(No date) 16.90 430 2.0 52 



Dark-backed specimens — L. fuscua fuscus. 



Ad. ^ 

 Ad. (J 



Ad. ? 



Ad. $ 



Drobak, Norway. . 

 Larnaka Roads, Cyprus 

 Thebes, Egypt . . 



9» ?9 .... 



Norway 



Pskov, Russia 

 Skaisgirren, East Prussia 



3.V.99 



19.iv.75 



24.iv.70 



24.iv.70 



(May) 



9.ix.94 



Christiania, Norway 

 Bodo, Norway 



Port Said, Egypt . . 

 Palestine 



Vaxholm, Sweden 

 North Oland, Sweden 



Gotland 



Kalmar, Sweden . . 

 Lake Menzaleh, Egypt 



15.V.81 



7.vii.74 



7.vii.74 



8.iv.78 



(no date) 



(July) 



9.viii.90 



26.V.95 



12.V.03 



(AprU) 



(May) 



17 



17.75 



17.50 



432 2.0 

 447 2.0 

 442 1.95 



52 

 52 

 51 



17.55 443 2.10 54 

 Not measured.^ _ 



16.60 421 1.90 

 16.50 419 1.80 



Very worn. 

 16 407 1.85 



16.75 424 2.0 

 17.0 432 2-0 

 Not measured. 



50 



48 



49 

 52 

 52 



