Smithsonian Report, 1904.— Gill. 



Plate 



FODIATOR ACUTUS, DACTYLOPTERUS VOLITANS, AND AlR BLADDERS. 

 Fodintor ariitits: 2, lUwIiiU.ntmix rolilaiis. in youiiKOst post-ccphalnciUithiis staKC magnified 

 twice; 3, air hhlA(\eT oi']>art„l„i,trru><. seen from below, witli tlie lateral mtrinsie musrles; 

 4 air bladder (right lobo with insertion of extrinsic muscle and jiyramidal appenaage 

 held by hook; 5, air blad.ier (right lobe) interior with the incomplete diaphragm; b, Ingla 

 cttadak- air bladder, from below, to contrast with tliat of n(irli/lo}}ti riis. 



