208 Mr. T. D. A. Cockerell on the Morgania cavnifex (Gerst.), Omachthes carnifex, Gerst. Cape of Good Hope. Morgania Jiistrio (Gerst.). Omachthes histrio, Gerst. Cape of Good Hope. Oxystoglossa decor ata^ Smith. Type ? . Jamaica. Second submarginal cell very narrow; eyes emarginate; liind spur of hind tibia strongly curved, simple. Rhathymus quadriplagiata^ Smith. Mexico. This species shows an extraordinary resemblance to ScoUa guttata, Burm. Ashmead gives the maxillary palpi of Rha-thymus as 4-jointed ; but this must be a slip of the pen, as they are actually absent, as Gerstaecker and others have stated. In Eurytis funereus, Sm., which looks like Rhathymus atra, Sm., they are 3-jointed (the first and third joints very short, second very long), not 1-jointed as Smith states. This observation is based on Smith''s type. XXX. — The Halictine Bees of the Australian Region. By T. D. A. CUCKEKELL. The Halictine bees of Australia were studied and described many years ago by Mr. F. Smith : since his death they have received practically no attention ; and owing to the brevity of the published descriptions and the complete absence of tables for identification the recognition of the species has seemed difficult. The following tables and notes are based on an examination of Smithes types in the British Museum, and it is hoped that they will make it easier for entomologists to further elucidate the subject. There can be no doubt that any resident of Australia who will collect and study these bees will find many new species. The following abbreviations are used: — (T.) = type speci-men examined; s. m. = submarginal cell; r. n. = recurrent nervure ; b. n. = basal nervure ; t. c. = transverso-cubital
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