Rare Diptera in 1891

Amongst my captures in Sutton Park last year were Tipula Diana, Mg., not uncommon in a small damp spot about 30 yards square; Cordyla ciliata, Mg. male and female; Glaphyroptera Winthemii, Mg. one specimen; Clinocera bistigma, Curt., common, but difficult to capture owing to their resting under the arches at the overflow of pools...