28G 



MR. F. E. BEDRARD ON THE VISCERAL, 



Fvx. 1. 



[May 15, 



Syrinx of Bal(mice2>!i rex. Front view, b, free margin of bronchidesmns. 



Fi£. 2. 



ii 





Syrinx of Bulcenioe'ps rex. Posterior surface, h, as in fig. 1. 



