“…Individual and group spacing pattems seen in pteropodids (Ne!son, 1965a), rhinolophids (Ransome, 1978), and embalIonurids (Bradbury and Emmons, 1974;Bradbury and Vehreneamp, 1976;Bradbury, 1977a) may involve substrate or conspecific marking. Olfaction also appears to be imponant in mother-infant recognition in several species, including Preropus poliocephalus (Nelson, 1964(Nelson, , 1965a, Rousettus aegypriacus (Kulzer, 1958(Kulzer, , 1961, A. pallidus (Brown, 1976); MYOlis myolis (Kratky, 1971: Kolb, 1977, and Nycliceius humeralis (Watkins and Shump, 1981).…”