454 



TETRAX. BUSTARNELLE. 



Generic Character. 



Rostrum conicum, rectum 

 paul6 compressum ; man- 

 dibula superiore ad apicein 

 deflexa. 



Nares ovales, apertae. 



Pedes cursorii; digiti basi 

 membrana coaliti. 



Al(B mediocres ; remiges pri- 

 ma et quarta sequales, 

 quintalongior quam quarta. 



Beak conic, straight, slightly 

 compressed ; the upper 

 mandible towards the tip 

 bent down. 



Nostrils oval, open. 



Feet formed for running ; the 

 toes joined at the base by 

 a membrane. 

 Wings medial ; the first and 

 fourth quills equal; the 

 fifth longer than the fourth. 



Tetrax. Leach. 



Otis. Linn. Gmel. Lath. Briss. Ray, Temm. Cm. Vieil. Sfc. 



This genus was detached from the preceding by 

 Dr. Leach in the Catalogue of the indigenous 

 Animals that are preserved in the British Museum : 

 only one species is known, whose manners are 

 described in the following pages. 



