T.  Borgmeier, ?A catalogue of the Phoridae of the World. (Diptera, Phoridae.)?, Studia ent., vol. 11, pp. 1-367, 1968.

A.  Bairati, ?Structure and ultrastructure of the male reproductive system in Drosophila melanogaster Meig?, Monitore zoologico italiano, vol. 2, pp. 105-182, 1968.

R. L.  Coe, ?A further collection of Diptera from Yugoslavia?, Bulletin du Muséum d'histoire naturelle Belgrad, vol. 23, pp. 131-149, 1968.

R. L.  Coe, ?Diptera taken in Yugoslavia from May to July, 1955, with localities and notes. Part five?, Bulletin du Muséum d'histoire naturelle Belgrad, vol. 23, pp. 125-129, 1968.

C. N.  Colyer and Hammond, D. C. O., Flies of the British Isles. London, New York: Frederick Warne, 1968, p. 384 pp.

J. A.  Downes, ?Notes on the organs and processes of sperm-transfer in the lower Diptera?, Canadian Entomologist, vol. 100, pp. 608-617, 1968.

W.  Hennig, ?Kritische Bemerkungen über den Bau der Flügelwurzel bei den Dipteren und die Frage nach der Monophylie der Nematocera?, Stuttgarter Beiträge zur Naturkunde, vol. 193, pp. 1-23, 1968.

L.  Lyneborg, ?Diptera Brachycera et Cyclorrhapha?, in Zoology of the Faroes, Copenhagen: Carlsberg Fund, 1968, p. 79 pp.

T. C.  Maa, ?A new Carnus from Malaya (Diptera: Milichiidae)?, Pacific Insects, vol. 10, pp. 33-36, 11 figs, 1968.

J. F.  McAlpine and Munroe, D. D., ?Swarming of Lonchaeid flies and other insects, with description of two new species of Lonchaeidae?, Canadian Entomologist, vol. 100, pp. 1154-1178, 1968.

J. H.  Poorbaugh, Anderson, J. R., and Burger, J. F., ?The insect inhabitants of undisturbed cattle droppings in Northern California?, California vector views, vol. 15(3), pp. 17-36, 1968.

R.  Salzer, ?Konstruktionsanatomische Untersuchung des männlichen Postabdomens von Calliphora erythrocephala Meigen (Insecta, Diptera)?, Zeitschrift für Morphologie und Ökologie der Tiere, vol. 63, pp. 155-238, 1968.

N.  Wilson, ?Carnus hemapterus Nitzsch (Diptera: Milichiidae) from starlings in Indiana?, American Midland Naturalist, vol. 79, pp. 251-252, 1968.