2(38 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
Genus SACCOPTERYX Illiger. 
1811. SacGopteryx Illiger, Prodr. syst. mamm. et avium, p. 121. 
Type. — T'espertilio lepturus Schreber. 
Subgenus Saccopteryx Illiger. 
* Saccopteryx bilineata (Temminck). 
1838. JJrocryptiLS Mlineatus Temminck, Van der Hoevens 
tijdsch. voor natuurl. gescli. en physiol., v, p. 33. 
1867. Saccopteryx hilineata Peters, Monatsber. k. preuss. 
Akad. Wissensch. Berlin, p. 471. 
1885. Saccopteryx hilineata True, Proc. U. S. nat. mus., vii 
(1884), p. 603. 1885. 
Type locality. — Surinam. 
Subgenus Balantiopteryx Peters. 
1867. Balantiopteryx Peters, Monatsber. k. preuss. akad. Wis¬ 
sensch. Berlin, p. 476. Type. — Balantiopteryx p>licata Peters. 
* Saccopteryx plicata (Peters). 
1867. Balantiopteryx plicata Peters, Monatsber. k. preuss. 
Akad. Wissensch. Berlin, p. 476. 
1878. Saccopteryx plicata Dobson, Catal. chiropt. Brit, mps., 
p. 376. 
1885. Saccopteryx plicata True, Proc. U. S. nat. mus., vii 
(1884), p. 603. 1885. 
Type locality. — Puento Arenas, Costa Rica. 
Saccopteryx infusca Thomas. 
1897. Saccopteryx infusca Thomas, Ann. and mag. nat. hist., 
6th ser., xx, p. 546. December, 1897. 
Type locality. — Cachavi, northern Ecuador. 
