15 



[aXSERIN.E. 



GENUS IV. CHENISCUS. 



Ext. Char. Rostrum parvum, ad basin elevatum, vakle altius-quam latum, et ungue 

 magna instructs. Nares rotundatte, culmen versus positae. Pedes magni. Di;/iii longi et 

 acutis unguibus armati. Tarsi breves. Cauda rotundata. 



Anat. Char. Ignoti. 



Ext. Char. Bill small, elevated at tbe base, much higher than broad, and armed with a 

 large nail. Nostrils rounded, placed towards the culmen. Feet large. Toes long, and armed 

 with sharp claws. Tarsi short. The tail rounded. 



Ax at. Char. Unknown. 



Axser. Linn. Lath. 



Berxicla. Stepk. 



Querqueula. Gray. 



Cheniscus . Brookes' MSS. 



Type. Cheniscus Coromandeliana. 



Affinity. In the structure of the feet this genus bears considerable resemblance to the 

 species of the genus A user, adapted for swimming, though of extremely diminutive size. Tbe bill, 

 od the contrary, is that of Bemicla. 



