64 FIELD MUSEUM or NATURAL HISTORY ZOOLOGY, VOL. X. 



present, with no great accession of new material, to use this name. 

 But after noting the faint-hearted and apologetic way in which the 

 monographer has given it place,* and after the comparison of our 

 Venezuelan specimen with a single Brazilian one and finding the teeth 

 of the latter actually the smaller, one is strongly tempted to discard 

 palmar um in favor of lituratus. 



Uroderma bilobatum Peters. Common Uroderma. 



Two specimens (skins), Encontrados, Sept. 25, 1910; collected by 

 H. F. Raven. 



Vampyrus spectrum (Linnaeus). False Vampire. 



One specimen (skin), Encontrados, Sept. 30, 1910; collected by H. 

 F. Raven. 



Saccopteryx leptura (Schreber). Striped Sac-winged Bat. 



Three specimens (skins), El Panorama, Rio Aurare, Jan. 18-21, 1911. 



Two were obtained from their diurnal resting place in a decayed 

 crevice in the side of a tree and the third was shot while flying back 

 and forth over a trail bordered on either side by tall trees. Others, 

 apparently of the same species, were seen. 



The palest specimen agrees well with the description of S. canes cens 

 except for the slight development of the light superciliary stripe. The 

 head and under parts are pale Isabella color, the back more brownish, 

 and the marginal hairiness on the membranes slightly rusty. The 

 darkest one is chiefly Vandyke brown, becoming seal brown between 

 the light stripes. The third is intermediate between the other two, 

 thus forcing the conclusion that color is of relatively little importance. 



Rhogeesa io Thomas. South American Rhogeesa. 



One specimen (skin), El Panorama, Rio Aurare, Jan. 24; two speci- 

 mens (in alcohol), io miles north of Cucuta, March 16; seven specimens, 

 Empalado Savannas, April. 



The color of the body and head of the dry specimen evidently is 

 even brighter than that of the type as described by Thomas. Both 

 upper and under parts are bright clay color (Ridgw., PI. V, No. 8), 

 the head and shoulders being somewhat lighter than the back and rump 



* In one place (p. 278), he says, "I should not have tried to keep this form separate from A. 

 j. lituratus, if the name palmarum had not been available," thus confessing a prostitution of zoology 

 to nomenclature which scarcely seems justifiable. 



