1901.] NATURAL SCIENCES OF PHILADELnilA. 297 



The Centurionince have no close affinity with the other divisions 

 of the Phyllostoimdidce, for while some of the above characters are 

 shared by the Mormoopbue, the absence of enlarged cutaneous 

 plates on the lower lip immediately shows the distinctness of the 

 subfamilies. The genetic relations are undoubtedly with the 

 Stenoder matinee, but to which portion of it seems doubtful, though 

 Sphceronycteris is possibly the closest related of any. 



CENTURIO Gray. 



1842. Centurio Gray, Ann. and Mag. Nat. Hist., X, p. 259. Type, 



Centurio senex Gray. 

 1861. TricJiocorijcs H. Allen, Proc. Acad. Nat. Sci. Phila., p. 359. 



Type, Centurio mcmurtrii H. Allen { = C'enturio senex Gray). 



Generic Characters. — The same as those of the subfamily of 

 which it is the only genus. Dentition i. ^3;, c. ^^, p. ~~jy, m. ~^. 



The characters used by most of the describers of these species 

 were color and the form of the upper incisors. 



The color differences are slight and can readily be accounted for 

 by the difference of time of immersion in alcohol. The upper 

 incisors also appear to be both two and three lobate, beside 

 bluntly conic. 



Centurio senex Gray. 



1842. Centurio senex Gray, Ann. and Mag. Nat. Hist., X, pp. 259-260 



(" Amboyna," very probably some point on the west coast of Mexico 



or Central America). 

 1844. Centurio senex Gray, Voyage of the Sulphur, Mammalia, pp, 



26, 27, PI. VIII. 



1878. Centurio senex Dobson, Catal. Chirop. Brit. Mus., pp. 543-545, 

 PI. XXX, fig. 6. 



1879. Centurio senex Alston, Biol. Cent. Amer., Mammalia, p. 51. 



1854. Centurio flavocjularis Lichtenstein and Peters, Mouatsber. K 

 Preuss. Akad. Wissensch., Berlin, p. 335 ("Cuba"). 



1855. Centurio flavogulciris Lichtenstein and Peters, Abhandb. K 

 Akad. Wissensch., Berlin (1854), pp. 87-89, taf. I. 



1860. Centime mexicanus Sanssure, Eevue et Mag. d. Zool., 2e ser. 

 XII, pp. 381-383 (warm region of Mexico). 



1861. Centurio mcmurtrii H. Allen, Proc. Acad. Nat. Sci. Phila., pp 

 360-361 (Mirador, Vera Cruz, Mexico). 



1879. Centurio mcmurtrii Alston, Biol. Cent. Amer., Mammalia, p 



51, PI. Ill, fig. 8. 

 1891. Centurio minor Ward, American Naturalist, XXV, pp. 750-753 



fig. (Cerro de los Pajeros, Las Vegas, Vera Cruz, Mexico). 



Type Locality. — Erroneously given as "Amboyna" (East 

 Indies). As Gray afterward believed, it in all probability came 

 from America, and a comparison of the route of the " Sulphur " 

 (on the voyage of which the specimen was collected) with the 



