Fauna Sumatrensis. (Bijdrage Nr. 68), Culicidae (Diptera), by S. L. Brug, Geneeskundig Laboratorium, Batavia, Java, and F. W. Edwards, British Museum (Natural History). This report is based in the first place on collections sent for determination to the junior author by Mr. E. JACOBSON of Fort de Koek, West Sumatra, but as these collections included examples of only a small proportion of the species of mosquitoes already known from Sumatra we have thought it desirable to compile a list of all the species recorded from this island or from the neighbouring small islands of Poeloeh Weh, Simaloer, Nias, Poeloeh Tellok, Scheroet, Enggano, Sebesi, Krakatau, Banka and Doerian. The list includes the records of DE MEijERE, Stanton, Swellengrebel and others; and in addition we have included a number of hitherto unpublished records based on collections made by Prof. AUG. Thienemann in 1929. The total number of species recorded is 139, the great majority of which are also found in the Malay Peninsula, and most of them also in Java. A few species have not yet been found outside Sumatra, and some of these may be actually endemic, though others of them will probably be discovered elsewhere with more intensive collecting. The distribution is indicated by the following signs prefixed to the names :
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