Miller Twelve New Genera of Bats. 85 



Phodotes gen. nov. (Natalidx). 



Type. NataJus tumidiroslris Miller. 



Characters. Like Natalus, but maxillaries conspicuously inflated and 

 translucent, the swollen region concealing molar teeth when skull is viewed 

 from above. 



Species. Phodotes tunddirostris (Miller). 



Pizonyx gen. nov. ( Vesperlilionidse). 



Type. Myotis vivesi Menegaux. 



Characters. Like Myotis but with foot (claws included) as long as tibia, 

 the toes and claws so greatly compressed that width of claw is only about 

 one-eighth the height at base ; wing with large glandular mass near middle 

 of forearm. 



Species Pizonyx vivesi (Menegaux). 



Rhinopterus gen. nov. ( Vespertiiionidse). 



Type. Glauconycteris floweri de Win ton. 



Characters. Externally like a small Vespertilio, but upper surface of 

 forearm, tail, and tibia thickly sprinkled with pointed, horny excrescences 

 resembling those on edge of ear in some Molossidss, but larger. Skull differing 

 from that of Vespertilio in the much greater relative breadth of anterior 

 portion of braincase, shorter, lower rostrum, and in the form of the upper 

 toothrows, which are more concave on inner side and more convergent 

 anteriorly. 



Species. Rhinopterus floweri (de Winton). 



Bct'odon gen. nov. ( Vesper lilionidse). 



Type. Rhogecssa alleni Thomas. 



Characters. Like Rhoyeessa but with reduction of outer lower incisor 

 carried so far that the tooth has become to a mere functionless spicule less 

 than one-twentieth as large as first or second incisor, nearly concealed be 

 neath cingulum of canine. 



Species. Bseodon alleni (Thomas). 



Hum ops gen. nov. (Molossidx). 



Type. Molossas californicus Merriam. 



Characters. Like Molossus but skull slender, with hour-glass shaped or 

 nearly cylindrical interorbital region and no distinct sagittal crest; palate 

 slightly arched but not domed ; upper incisor with slender, curved shaft 

 higher than length of crown ; lower incisors, 2-2; upper premolars, 2-2, 

 the small tooth (pin- 2 -) normally well formed and not deciduous ; first and 

 second upper molars with well developed hypocone. 



Species. Eumo'ps abrasus (Temminck), E. bonariensis (Peters), E. califor- 

 nicus (Merriam), E. glaucinus (Wagner), E. maurus (Thomas), E. milleri 

 (J. A. Allen), E. nanus (Miller), E. orlhotis (H. Allen), E. perotis (Wied), 

 and E. trumbulli (Thomas). 



