SOME REFLECTIONS, MAINLY BIOGEOGRAPH- ICAL, ON THE LAND OPERCULATES (MOLLUSCA, GASTROPODA PROSOBRANCHIA) OF THE AFRO- TROPICAL REGION by A. C. VAN BRUGGEN (Department of Systematics and Evolutionary Biology, Leiden University, P.O. Box 9517, 2300 RA Leiden; The Netherlands) Opgedragen aan Prof. Dr. W. Vervoort bij zijn af- scheid als buitengewoon hoogleraar in de systematische dierkunde en directeur van het Rijksmuseum van Natuurlijke Historie 'And now what rests, but that we may spend the time With stately triumphs, mirthful comic shows, Such as befit the pleasure of the court? Sound drums and trumpets!_farewell, sour annoy! For here I hope, begins our lasting joy.' William Shakespeare, Third Part of King Henry VI, Act V, Scene VII. SUMMARY The land operculates of the Afrotropical Region represent a noticeably small minority among the land snails. As regards distribution, these snails are absent from most of the desert and semidesert areas (South West Africa and areas bordering on the Sahara) with the exception of the Horn of Africa. The less than 70 known species are little diverse, representing 4 families and 9 genera, 1 family and 5 genera of which are endemic (almost all species are endemic). The continental taxa usually have small
Netherlands Journal of Zoology (in 2003 continued as Animal Biology) – Brill
Published: Jan 1, 1981
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