Myotis nigricans nigricans

.- SantaRosa:La Avellana,18; Chiquihuitan,9.San Marcos: TODO HaciendaCalifornia(Griscom,1932).A largenursery colonywasfound inAugust 1972and again in September 1973 at Hacienda Chiquihuitanin an unwalledshed with a thatchedroof.Only TODO two adultmales were foundamong212 bats for whichage and sex wererecorded;42%and 84% TODO of adult females were either pregnant (determined by palpation) or lactating in August 1972 and September 1973, respectively.