This bat, regularly met with in the citrus belt at the coastal base of
the range, occurred in small numbers with colonies of _Antrozous_, and
was once found with a colony of _Eptesicus_ near Covina. None of the
females taken in April 1951 was pregnant.
_Specimens examined._--Los Angeles County: 2 mi. NE San Dimas,
1200 ft., 4.
=Eumops perotis californicus= (Merriam)