. Bulletin - United States National Museum. Science. 112 BULLETIN 57, UNITED STATES NATIONAL MUSEUM. forimila, Avell-de\el()[K'cl ears, crowded lower incisors, conspicuous nasal inliation, moderate posterior expansion of zygoma, and absence of noticeable sagittal crest in interorbital region. Superficially it rather closely resembles UhinoJopJuhs, but is distinguishable, aside from the more important skeletal characters, by the smaller cochlesB and the absence of the small lower premolar {pnb „) ; the third upper molar is usually smaller than in IilttiiolopJtiis, and never as compli- cated as
. Bulletin - United States National Museum. Science. 112 BULLETIN 57, UNITED STATES NATIONAL MUSEUM. forimila, Avell-de\el()[K'cl ears, crowded lower incisors, conspicuous nasal inliation, moderate posterior expansion of zygoma, and absence of noticeable sagittal crest in interorbital region. Superficially it rather closely resembles UhinoJopJuhs, but is distinguishable, aside from the more important skeletal characters, by the smaller cochlesB and the absence of the small lower premolar {pnb „) ; the third upper molar is usually smaller than in IilttiiolopJtiis, and never as compli- cated as in some species of the hitter. The sjjecies diti'er markedly among themselves in the form of the ears and noseleaf as well as in other characters, a fact which has given rise to a considerable number of generic and subgeneric names. For the present only one of these groups, AselJht, is recognized as dis- tinct from Ilipposideroa^ but fur- ther study of the species may show the convenience of distinguishing others. Genus ASELLIA Gray. 1838. AscJJia Gray, Mag. Zool. and Bot, II. p. 4!J3 (subgeDus of ). 1843. Anellia Gray, List. spec. mamm. Brit. Mus., p. 24 (genus). 1871. Asellia Peters, Monatsber, 1^. preuss. Akad. Wissencli. Berlin (sxibgenus of J'li!ill()r]ii)ia^=Hip- ). 1878. I'lnjUitrliinii Dobson, Catal. Cliiropt. Brit. Mus., p. 127 (part).. Fig. 21.—a, Asellia tridens. Adult fe- male. Egypt. No. 38021. x 12. i>, Hip- POSIDEROS larvatus. .Vdi'lt Lower Siam. No. 83570. x 2. Type-species.—KJi in oloph us tri- dens Geoifroy. Geographic (//.sfribufion.—North- eastern Africa and adjoining por- tions of Asia. Xiimher of forms.—Two forms of this group are currently recog- nized, AscJIhi fi-'tdciis and .1. mnrraiana. Characters.—Li general similar to U'lpposideros, but skull with loAV braincase and deej) rostrum (greatest dej)th of braincase dis- tinctly less than that of rostrum, including molars), the sagittal crest greatly developed
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