Xlina nigrescens. sp. nov.— Two males and one female.

Upper part of head and thorax stone-gray, front of head light brown, surmounted by a well-defined umber brown line beneath base of antennæ. This line is continuous along lower margin of patagiæ and ver contrasting from the gray thorax. The thorax is rather short and square. Thoracic vestiture intermixed with flattenedhair. Thoracic crest slightly raised and defined by a patch of dark brown hair. Collar with a faint line near tip, not contrasting. Palpi are reddish-gray, strongly marked laterally with an umber-brown line outwardly.