1G4 BULLETIN OF THE MUSEUM OF COMPAKATIVE ZOOLOGY. 



PLATE Vn. 



Fig. 1. A median sagittal section of the nasal chamber of Dcsmodus ru/iis. Figure 

 enlarged two thirds. 



Fig. 2. The same of Taplwzous. 



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



Fig. 4. The same of Taplwzous. 



Fig. 5. A median sagittal section of the nasal chamber of Noctilio lepoHims (some- 

 what distorted, the nasoturbinal elevated). 



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

 ual elevated). 



Figs. 2-6 enlaged one half. 



Philadelphia, November 4, 1882. 



