80 
Catalogue of 
Gen. DVSPORUS, III. 
X>. bassana, Briss., Gannet. 
Often found in the winter. 
Family— LARIDiE. 
Gen. STERNA, Linn. 
S. cantiaca, Om., Sandwich Tern. 
Occasionally met with. 
S. hirundo, Linn., Common Tern. 
Common in autumn. 
S. arctica, Temm., Arctic Tern. 
Common in autumn. 
S. minuta, Linn., Lesser Tern. ' 
Rare. Only a few specimens have occurred. 
S. fissipes, Briss., Black Tern. 
Young birds are occasionally met with in autumn. 
Gen. CKROICOCEPKAXiUS, EyL 
C. ridibunduSj Linn., Laughing Gull. 
Common around the coasts, and upon the estuaries in winter, but 
rarely found in summer. The variety L. captstratus^ Temm., has 
been obtained on the Dart, December 1849 ; see Zoologist, 1850, 
p. 2825. 
C. minutus, Pall, Little Gull. 
Scarce, but there are specimens in several collections. 
C. ichthyaetOS, Pall, Great Black-headed Gull. 
Only one specimen of this bird has been obtained in England, 
which was shot by a boatman near Exmouth, in June, 1859. For 
a description, and as to usual habitat, see Bree's Birds of Europe y 
Vol IV. 
