Abstract
A new species of ampeliscid amphipod, Ampelisca brachycladus, is <br /><br />described from southern California. The species is distinctive in having the inner <br /><br />ramus of uropod 1 approximately one-half the length of the outer ramus. Ampelisca <br /><br />brachycladus occurs along the southern California bight in shallow water (10-50 <br /><br />m) on a variety of substrates.