蝙蝠科七种蝙蝠的核型

报道了贵州7种蝙蝠科蝙蝠的核型，伏翼和印度伏翼的染色体数为2n＝26，常染色体都由10对双臂染色体和2对微小点状染色体组成．X．F＝44，性染色体是大小悬殊的端着丝粒染色体；两核型的主要区别在于前的No．3是中着丝粒染色体，后为亚中着丝粒染色体；大鼠耳辐(四川亚种)、水鼠耳蝠和西南鼠耳蝠的染色体数都是2n＝44，常染色体都由4对中着丝粒染色体和17对端着丝粒染色体组成，N．F＝50，其中大鼠耳蝠四川亚种)和水鼠耳蝠核型非常相似，西南鼠耳蝠与前二有一定区别；山蝠(福建亚种)是2n＝36，常染色体包括7对中着丝粒染色体、1对亚中着丝粒染色体和9对端着丝粒染色体，N.F＝50；南蝠2n＝50，常染色体由24对端着丝粒染色体组成，N．F＝48，X染色体是最大的中着丝粒染色体。

Karyotypes of Seven Species of Vespertilionidae Bats

The karyotypes of seven species of vespertilionidae bats were reported in the paper. Pipistrellus pipistrellus and P.coromandra have diploid chromosome number (2n) of 26,in which the autosomes consist of 10 pairs of biarmed chromosomes,2 pairs of small uniarmed ones,and a fundamental number (N.F) of 44.*"The main difference between P. pipistrellus and P. coromandra is that No. 3 of the former is metacentric while the latter is submetacentric.Myoti myoti luctuosuss,M. daubenttoni and M.altarium all have 2n=44,including 4 pairs of metacentric chromosomes,17 pairs of telocentric ones and 1 pair of sex ones,and their N.F are all 50. The karyotypes of Myotis myotis luctuosuss and M.daubenttoni are alike and are different from that of M.altarium. Nyctalus noctula velutinus has 2n=36,comsisting of 7 pairs of metacentric chromosomes,1 pair of submetacentric ones, 9 pairs of telocentric ones,and 1 pair of sex onces,and N.F=50. Ia io has 2n=50,including 24 pairs of telocentric chromosomes, and 1 pair of sex ones in which X is the largest metacentric chromosomes ,and N.F=48.