270 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
* Noctilio leporinus mastivus (Dahl). 
1797. Vespertilio mastimis Dahl, Skrifter af naturhist. Sel- 
skabet, Kjobenhavn, iv, p. 132. 
1885. j^octilio leporinus mastivus True, Proc. U. S. nat. 
mils., VII (1884), p. 603. 1885. 
Type locality. — Island of St. Croix, West Indies. 
Subfamily Molossinae. 
Genus MOLOSSUS E. Geoffroy. 
1805. 3Iolossiis E. Geoffroy, Ann. mus. d’hist. nat., Paris, vi, 
p. 151. Type.— By elimination, Molossus rufus E. Geoffroy. 
* Molossus rufus E. Geoffroy. 
1805. 3Iolossus rufus E. Geoffroy, Ann. mus. d’hist. nat., 
Paris, VI, p. 155. 
1885. 3Iolossus rufus True, Proc. XT'. S. nat. mus., vii (1884), 
p. 603. 1885. 
Type locality. — Parasjuav. 
Molossus rufus obscurus (E. Geoffroy). 
1805. 3Tolossiis obscurus E. Geoffroy, Ann. mus. d’hist. nat., 
Paris, VI, p. 155. 
1897. \_Molossus rufus'] obscurus Trouessart, Catal. mamm., 
pt. I, p. 143. 
Type locality. — Paraguay. 
Regarded by Miller (Proc. biol. soc. Washington, xiii, p. 162, 
October 31, 1900) as a distinct species. 
Genus PROMOPS Gervais. 
1855. Promops Gervais, Exp6d. du Comte de Castelnau, zool., 
mamm., p. 58. T^^pe. — Promops ursinus Gervais =: 3Iolossus 
nasutus Spix. 
