Through the kindness of J. H. Gurney, Esq., M.P., I have been enabled to examine a very interesting, though not very extensive, collection of Bats, made by Mr. Andersson in South-western Africa during the year 1859. It contains three new species; and I propose, when describing them, to add notices of some others previously collected by Mr. Andersson at Lake Ngama, and of one or two species which, although already well known, may, from their affinity with some of those in the present collection, be advantageously introduced here. To prevent any confusion regarding the species forming the collection recently received from Mr. Andersson, they may be mentioned here, as follows: Kerivoula argentata, n. s., Nycticejus planirostris, Peters, Scotophilus minutus, Temm., S. rusticus, n. s., and S. variegatus, n. s.