116 



PLATALEID^E 



plete, a membrane taking their place in that portion of each tube which 

 is contiguous to its opposite neighbour. Each bronchus, lower down, 

 is composed of complete cartilaginous rings." 



Trachea of Ajaja rosea. a. Trachea, b. S T , rinx. d. (Esophagus, e. Cervical 



muscles, r.b. Right bronchus. /.&. Left bronchus. 



(FromJP.^Z. S. 1875, p. 300.) 



The woodcut of this curious structure is here reproduced by the kind 

 permission of the Zoological Society. It is much to be wished that 

 some one living in the Argentine Republic would devote himself to the 



