164 BULLETIN OF THE MUSEUM OF COMPARATIVE ZOOLOGY. 



PLATE VII. 



Fig. 1. A median sagittal section of the nasal chamber of Desmodus rufus. Figure 

 enlarged two thirds. 



Fig. 2. The same of Taphozous. 



Fig. 3. The dorsal aspect of the turbinals of Vespertilio subulatus. 



Fig. 4. The same of Taphozous. 



Fig. 5. A median sagittal section of the nasal chamber of Xoctilio leporinus (some- 

 what distorted, the nasoturbinal elevated). 



Fig. 6. The same of Vespertilio subulatus (somewhat distorted, the first endoturbi- 

 nal elevated). 



Figs. 2-6 enlaeed one half. 



Philadelphia, November 4, 1882. 



