52 CATALOGUE OF 



Sp. 4. L. PARASITICUS. Linnaeus. 



Syn. Lestris Parasiticus, Linn. Gmel. Lath. Stercorarius Longican- 

 dus, Briss. Le labbe a large Queue, Buff. Stercorarius 

 Cepphus, Skaw. Stercoraire Parasite ou Labbe, Temm. 

 Arctic Bird, Edw. Arctic Skua, Selby. Arctic Jager, 

 Eyton.* 



GENUS 9. LARUS. Linnaus. 



SUB GENUS 1. RISSA. Leach, 



Sp. 1. R. CINEREA. Brisson. 



Syn. Larus Rissa, Linn. Gmel. Rissa Brunnichii, Shaw. Gavia 

 Cinerea, Briss. Mouette Tridactyle, Temm. La Mouette 

 Cendree Tachetee, Buff. Kittiwake, Lath. Penn. Mont. 

 Bewick. Young Kittiwake, Bewick. 



SUB GENUS 2. LARUS. Stephens. 



Sp. 1. L. CANUS. Linnceus. 



Syn. Larus Canns, Linn. Gmel. Lath. L. Hybernus, Gmel. Gavia 

 Hyberna, and Cinerea, Briss. L. Fuscus, Seu Hybernus, 

 and L. Cinereus Minor, Will. Ray. La Mouette d'Hiver, 

 Buff. Mouette a Pieds Bleus, Temm. Common Gull, and 

 Winter Mew, Lath. Penn. Mont. The Common Gull, Bewick. 



Sp. 2. L. ARGENTATUS. Brunnich. 



Syn. Larus Argentatus, Gmel. Shaw. L. Marinus, Var. B. Lath. L. 

 Argentatus, Temm. Goeland a Manteau Bleu, Temm. Her- 

 ring Gull, and Silvery Gull, Penn. Herring Gull, Mont. 

 Bewick. 



* The synonyms of this and the preceding species are so intermixed, and in many 

 cases no admeasurement being given, it is impossible to separate them. 



