28 NOU'i'ii A.Mi:iv'icAN BATS — II. amj:n. 



by commissures. Tlic, apex <»!' the (riaii,>;iilar ligiire is biieeal. Tlie 

 1 1 eel or liypocoiiid is larj^c. Itisiinilcd to the triangle by a. eoiimiis 

 sure at the lingual side. Sueh a. coiniMissure is |)r()\'i(led with a sharp 

 eiisp in /*. ))erotiti, but as a rule it is smooth. 



KEY To (JKNKRA. 



I. natswillniuMlianapixMidagetonosc, lour incisors in lowcrjuw. . .Phyi.i.ostomid.k. 



(I. ]?o(ly nnissivc, anriclti shorter iiiiin head, nof nnitcd wlMiils l'tdh)\v irtihciis. 



(('. Body s]('n(h'r, anricdc as hirge or longtM- liian lioad, united with its i'tdlow 

 Mdcruins. 



II. Bats witliont median aj)i)enda,ii;es to nose. 



/'. Nostrils circular, wings narrow ami pointi^l ; tail h)n<;-. produci'd far beyond 

 iuterfenu)ral membrane; marginal toes fringed witli coarse hair. Molossi. 



Tiips grooved Xi/ctinoin iix. 



\a\}s not grooved I'roiiiopx. 



?>'. Nostrils (dliptieal, wings broad, ani]d(^; tail as long or only slightly longer 

 than the broad intertenioral nn'nibraue; nuirginal to<\s naked 



VKSI'KKTII.IONID.K. 



t'. Two incisors in upper jaw. 

 tSix incisors in lower Jaw. 



*lnterfemoral membrane moi<i or less hairy. 



Prenndars _ Ddsi/iilcnis. 



') 

 PrenH>lars " \taliti>lia. 



* *Iuterfemt>ral nu'mbram^ not hairy Xiirticcjita. 



\ t Four incisors in lower Jaw tiitriKoiis. 



('. Four incisors in npi)er Jaw. 



t I'l-enudars ; greatest width of tragus at base e(inals onedialfof inner 



border l(l( Imiiiilcris. 



•) 



I I Premolars ~. 



'Greatest width of tragus equals much less than one-half inner border; 



nose simple, ears separate / Vs/mth^w. 



**Greatest width of tragus eifuals one-third height of inner border; 



auricles united. 



§ Nose with lateral (lub-shaped gland-masses Cori/iiorhimis. 



^ j^ Nost^ without lateral (dub-shai^ed gland-masses Eitdermu. 



2 



I I I Pr<^molars _ ; greatest width of tragus at middle and equals two-thirds 



ludght of inner border J.asioiii/i'tcrin. 



1 1 1 1 Preuu)lars 1*. Liits whiskered, dorsum of face furred Veapeililio 



3 ' 



