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[ANATIN.E. 



GENUS IV. LEPTOTARSIS. 



Ext. Char. Rostrum mediocre ad basin, altius-quam latum, culmine complanata et 

 ungue magno instructo. Nares parvae, culmen versus locatee. Tarsi longi et graciles. Digiti 

 unguibus paululum incurvatis acutisque armati. 



Anat. Char. Ignoti. 



Ext. Char. Bill moderate at the base, higher than broad, the culmen much flattened 

 and with a large nail. Nostrils small, placed near the culmen. Tarsi long and slender. Toes 

 armed with curved and sharp claws. 



Anat. Char. Unknown. 



Leptotarsis. Gould. 



The only species of this genus we have seen is in the collection of the Zoological Society, 

 and was received from New South Wales. 



Affinity. The structure of the bill appears to ally this genus to that of Dendrocygna ; 

 while, on the other hand, that of the tail, which, though not elongated, is acuminate, to the genus 

 IDafila. 



