Simiarum et Vesper tilionum Brasil. Species Novce. 125 



and Rhinolophus, are equally provided with it, it cannot be re- 

 garded as affording any really distinguishing mark. 



The following is the arrangement of the genera given by M. 

 Spix, in which we have enumerated as before the species now 

 iirst described. 



Anistiophori. 



Naso non perfoHato 

 porrecto; labio superiore leporine; cauda vix exsert^, membian^ 

 interfemorali pedibusque perbreviori : 



1. Noctilio. N. rufus, albiventer. 

 Subporrecto-obtuso ; auriculis obtusis, supra, fere confluentibus ; 



Cauda longissimS. membranam interfemoralem exsuperante : 



2. Molossus. M. ursinus, nasutus, fumarius. 

 pollice manus infra patella arnaato : 



3. Thyroptera. T. tricolor. 

 prolongato, acuminate : 



4. Proboscidea. P. saxatilis, rivalis. 



subporrecto, subacute; caud^ longissima membranam interfemora- 

 lem non nihil exsuperante; dentibus incisivis inferioribus 6, supe- 

 rioribus 4, lobatis : 



5. Vespertilio. V. Brasiliensis. 



IsTIOPHORI 



Naso perfoliate 

 unifeliato 



ore verrucose, obtuse ; labio superiore et inferiore integro ; caudS 

 nulla : 



6. Vampyrus. V. cirrhosus, bidens. 



ore verrucose, obtuse ; labio superiore et inferiore integro ; cauda 

 brevi : 



7. Phyllostoma. P. planirostre. 



ore non verrucose ; labio inferiore subfisse ; lingua elengata, setis 

 hispida : 



8. Glossophaga. 



bifoliate; caud4 et membrana interfemorali nullis: 



9. Diphylla. D. ecaudata. 



Of these genera the third, fourth, sixth, and ninth are new; 

 the latter being particularly worthy of attention from the total 



