280 COLLECTION OF BATS. 
these differences are to be partly explained by the fact 
that our specimen is not adult as its other dimensions show. © 
Inches. Mm. 
Length third finger, metacarpal . . . 1,25 31,25 
» > > {st phalanx. ~~. «0,25 6,25 
» » » 2nd > EE foe a te 18,75 
> fourth » metacarpal. . . 1,15’ 28,75 
“> » » [st phalanx’)? °°.’ 0,3 7,5 
» » » 2nd » ree 0,4 10,— 
> fifth » metacarpal . . . 1,1 27,50 
> > > Ist phalanx... . 0,4 10,— 
> > > 2nd » at 1 5,— 
> forearm. .' . 1,425 35,62 
It agrees for the rest ith fig! will kde Hostel saat of 
the species. 
Saccopteryx leptura Schreber. 
One adult male. 
Lenght of forearm 1,5 inches (37,5 mm.). 
Noctilio leporinus Linnaeus. 
Two adult males. 
The largest is bright red colored , the other reddish brown. 
Length of forearm 3,2 inches (80 mm.) and 3,15 inches 
(78,75 mm.). 
Molossus planirostris Peters. 
One adult male and two adult females. 
This very rare species is wel characterized by its small 
size and by the white color of the chest and abdomen. 
Male with a gular sac, not developed in the females. Fo- 
rearm of male 1,4 (35), of females 1,3 inches (32,5 mm.). 
Molossus obscurus Geoffroy. 
Seven adult males, eight adult females and one young 
female. 
Notes from the Leyden Museum, Vol. XV. 
