UNDESCRIBED CRANE-FLIES (Tanyderidae and Tipulidae) in the South Australian Museum. By DR. CHARLES P. ALEXANDER, Urbana, Illinois. Fig. 335, 336. The extensive collections of Australian erane-fiies contained in the South Australian Museum have been kindly sent to me for determination by the Board of Governors. A considerable number of new species, distributed in many .genera, were found to be included ; of these genera, Orimargula, Elephantomyia, Ceratocheilus, Epiphragma, Stibadocerella, and Phacelodocera had never been recorded from the Australasian region. Most of the novelties were from localities in which little or no work had been done on the Tipulidae, such being Tasmania, the Dorrigo Tableland in New South Wales, Lord Howe and Norfolk Islands, and Bathurst and Melville Islands in North Australia. The writer's thanks are due to tlie various collectors of this unusually valuable series of Australian Tipuloidea, especially to the Museum Entomologist, Mr. Arthur M. Lea, who personally collected most of the material. The types of all the new species have been returned to tlie South Australian Museum, paratypes of some species represented I)y more than two iiulividuals being preserved in the writer's collection. Venation. The wing-venation of the species of crane-flies considered in the present report is interpreted in accordance with the principles of the Comstock-Needham system (fig. 335). The fundamentals of this system are briefly outlined here, the students being referred to more detailed accounts (^) for additional particulars. The wing of an insect is composed of membranes traversed by a series of longitudinal veins extending from the base to the outer margin, and bound together at various points by cross-veins and deflections of the longitudinal veins, which form strong fusions at these places. There are six or seven longitudinal (1) Comstock, John Henry. Tlie Wings of Insects, 1918, p. 1-430. Needham, James George. Report of the entomologic field station eondneted at Old Forge, New York, in the summer of 1905. New York State Entomologist. Report 23, 1908, p. 156-248. Alexander, Charles Paul. The Crane-flies of New York. Cornell University Agricultural Experiment Station. Memoir 25, 1919, p. 860-869.