65 



[fuligulix.e. 





GENUS IX. HARELDA. 



Ext. Char. Pedes digitis posterioribus lobatis, extends mediis vix equantibus. Tibia 

 plumatoe. Rostrum mediocre, baso ad apicem angustatum. Lamella parte omnino obliterates. 

 Nares lineares, versus media rostri posita?. Cauda maribus elongata. 



Axat. Char. Trachea tubula inferiore parte tuberculosa a posteriore membrami tecta. 

 Larynx inferior bulbosa, partim ossea, partim membrinacea. 



Ext. Char. Feet with tbe posterior toes lobated, the outer one scarcely equal to the 

 middle. Thighs feathered. Bill moderate, narrowed from the base to the apex. Lamella 

 altogether obliterated at the points. Nostrils linear, situated about the middle of the Bill. Tail 

 in the male elongated. 



Anat. Char. Trachea on the lower part posteriorly covered with a membrane. The 

 inferior Larynx bulbous, partly osseous, partly membranaceous. 



Harelda. Ray. Leach. 



Ax as. Linn. 



QC ERQUEDL'LA. BrisS. 



&.ANGULA. Flem. 



Type. -Harelda Glacialis. 



This genus having been instituted by Ray. requires no alteration. The depth of the keel to 

 the whole length of the sternum is as 1 to 4. The length of the femur to that of the tibia as 

 1 to 1--. The height of the head to its length as 1 to 2f . There is a small ensifonn process 

 attached to the posterior margin of the sternum. 



K 



