xl INTRODUCTION. 



OCEANITES, Keysei-ling ^ Blasius. — Bill small and weak, the nail gradually 

 decurved ; nasal tubes perfectly horizontal. Wings exceedingly long, the 

 second quill much the longest, the first quill being shorter than the fourth, 

 and slightly exceeding the fifth. Tail almost square. Legs long and slender, 

 bare for a considerable distance above the tarsal joint ; feet nearly as long 

 as the tarsi, membranes emarginate, hind toe absent (p. 729)> 



In answer to correspondent^, it may be stated that : — 



1. Round brackets indicate that the original describer of the species did not 



employ the genei-ic name now adopted. 



2. The omission of Mr. or any other prefix to a proper name signifies 



(in the present work) that the person mentioned is dead. 



