LARIDiE. 



CEd. longipes. Fieillot, Enc. Meth. 



Himantopus grallarius. Steph. v, xii. p. 184. — New Holland. 



ORDER V.-NATATORES. 



Characters: vide Steph. v. xiii. 2. p. I, 



The Natatorial birds having already been treated 

 of with reference to that arrangement which has been 

 adopted in this and the preceding volumes, I shall 

 merely take notice of a trifling alteration which has 

 been made with reference to the name of one of [the 

 genera ; and, in order to furnish my readers with 

 the latest information on the subject, I shall add the 

 characters and typical species of such new genera 

 (belonging to the other orders) as have been pub- 

 lished during the progress of these sheets through 

 the press. 



ANATID^. 



GENUS CCCLXXXI.-CHENISCUS, Brooks' Mss. 



The characters of this genus, which is intermediate 

 between Bernicla and Chenalopeae, have not been 

 published. 



LARID^. 



The genus Procellaria mihi bears the nane of 

 Thalassidroma in the Zoological Journal, gi^n to 

 it by Mr. Vigors, whose arrangement of the gmera 

 of this family and of the Pelicanidae, in that vork, 

 appears more natural than that attempted in the 



