78 



CAIRINA. MUSK-DUCK. 



Generic Character. 



Rostrum basi tuberculo in- 



structum. 

 Fades lorumque nudae, pa- 



pillosae. 

 Alee tuberculatse. 



Beak furnished with a tu- 

 bercle at its base. 

 Face and lores naked, warty. 



Wings tuberculated. 



CAIRINA. Fleming. 



MOSCHA. Leach MSS. 



ANAS. Linn., Gmel., Ray, Briss., Lath., &c. 



DISTINGUISHED from the other genera of this 

 stirps by its naked and verrucose face and lores, and the 

 tubercular appendage at the bend of the wing ; which 

 characters, combined with the knob at the base of 

 the beak, appear fully to warrant its separation as a 

 genus. Upon this point, as before observed under 

 the observations upon the genus Chenalopex, I am 

 likely to have many opponents ; and it has been urged 

 as one proof of the identity of this genus and the 

 Ducks, that the common Musk-duck and the Mal- 

 lard will associate together, and produce a mixed 

 breed ; but if it be a fact, as stated, that individuals 

 belonging to the same genus only will mix and pro- 

 duce a hybrid breed, how are we to reconcile the 



