WEST AFRICAN SEASHELLS
WEST AFRICAN SEASHELLSThe first studies based on malacological fauna of the Western Africa coasts, had begun more than twocenturies ago thanks to the great naturalist and scholar Michel Adanson, who since 1749 had been livingin Dakar for four years and after bis retum in France, wrote "Histoire Naturelle du Senegal".The first volume of this opera, published in 1757, had been dedicated precisely to the shells.In 1795 the captain of a ship delivered to the scholar Chemnitz some land snails and seashells from thecoasts of Morocco, that had been published on "Conchylea Cabinet"(vol. V, IX and XI).Spent many years until an englishman, Mac Andrew in 1854 made some dredgings along the coasts infront of the town of Mogador. Five years later, always in the same town, another englishman Lowe(ApriI 1859) could see and study the collection of seashells, belonging to the wife of thevice-consul, that, together to those collected by himself, allowed him to publish a fairly wide list ofspecies of that pIace.But the first successful scientific explorations began in 1870 with the oceanographicruises of the vessels"Lightning" and "Porcupine", whose reports had been published by the Dr. J.Gwyn Jeffreys on"Proceedings oJ the zoological Society oJ London" from 1882 to 1885.From 1880 toc 1883 the frenchmen made several expeditions with the vessels "Travellieur" and"Talisman", making dredgings RIso at considerable depth (2000 m.) along the coasts of Morocco andaround the Canary Islands, whose reports had been published from the Dr. Amauld Locard in two volumestitled "Mollusques testacés", respectively in 1897 and in 1898.Very important were the travels made by Alberto l° Prince of Monaco aboard bis yachts"Hirondelle"and"Princesse Alice", helped by very famous scholars as J. Richard, P. Dautzenberg andH. Fischer, who had allowed from 1896 at 1906 the publication in series of fascicles, that were illustratingthe reports got by the scientific campaigns covering Azores Islands, Morocco, Canary Islandsand the Cape Verde Islands. In 1900 the count ofDalmas stayed for a short period at Cape Blanc wherepicked up some materials, that, when he went back had been published by Philippe Dautzenberg.From 1905 to 1910 A. Gruvelled a campaign of dredgings along the coasts of Mauritania and Senegal,the reports ofthese searches were published always by Dautzenberg from 1910 to 1912 in the "Acts oJthe Linnaean Society oJ Bordeaux".From 1902 to 1912 the frenchman M.G. Pallary made some trips ofsearch that led up to the publicationof the twelfth issue of "Exploration Scientifique du Maroc", just concerning the Malacologicalstudies. Very important, for the following developments, was the work of the I.F.A.N of Dakar that,since 1946 till then, had been supported by scholars as E. Fischer Piette and M.G. Ranson of theMuseum of N atural History of Paris, W.J. Rees of the British Museum of London and of W. Adamsand F. Leloup ofthe Royal Institute ofNatural Sciences ofBruxelles.Infact thanks to the collection of this Institute in 1950 the belgian conchologist Maurice Nicklès couldpublish the book "Mollusques testacés marins de la cote occidentale d'Afrique", which remained forlong time a milestone.From 1946 till then, also the danishmen led expeditions along the coasts ofWestern Africa, within theplan "ATLANTIDE", that continued for about ten years and allowed the publication of several"reports" by the conchologist J. Knudsen.At the same time, in this decade had been made other oceanographic cruises by french crew of"CALYPSO" and by the belgian crew of "MERCATOR" and "MBIZI".In 1958 Igor Marche Marchad had published the "Noveau Catalogue de la Collection de 1'/.F.A.N."The first monograph, illustrated and appreciable has been the work of P. A. Bernard who in 1984 haspublished "Conquillages du Gabon".The searches in the last ten years afe increased, thanks to plains for long time (CANCAP, METEOR &SEAMOUNT) in which bave taken part with various qualifications many scholars and searchers fromEurope, who bave led up to specialist publications with good scientific value, which we will cite in ourbibliography.Ardovini & Cossignani9
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- Page 5: WEST AFRICAN SEASHELLSa Carlo Caval
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- Page 12 and 13: WEST AFRICAN SEASHELLSBrefHistoire
- Page 14: WEST AFRICAN SEASHELLSBreve storia
- Page 17 and 18: WEST AFRICAN SEASHELLSCurral Velho,
- Page 19 and 20: WEST AFRICAN SEASHELLSLa "lista sis
- Page 21 and 22: Genus Neritina Lamarck, 1816Neritin
- Page 23 and 24: WEST AFRICAN SEASHELLSFamilia VITRI
- Page 25 and 26: WEST AFRICAN SEASHELLSGenus Cingula
- Page 27 and 28: Genus Protoma Baird, 1870Protoma kn
- Page 29 and 30: Natica lavaroni Bemard, 1983Natica
- Page 31 and 32: Genus Epitonium R6ding, 1798Epitoni
- Page 33 and 34: WEST AFRICAN SEASHELLSMuricopsis ar
- Page 35 and 36: Nassarius denticulatus (A. Adams, 1
- Page 37 and 38: WEST AFRICAN SEASHELLSGenus Gibberu
- Page 39 and 40: Genus Benthomangelia Thiele, 1925Be
- Page 41 and 42: WEST AFRICAN SEASHELLSGenus Philipp
- Page 43 and 44: WEST AFRICAN SEASHELLSChrysallida w
- Page 45 and 46: Ringicula minutula Locard, 1897Ring
- Page 47 and 48: Genus Melampus Montfort, 1810Melamp
- Page 49 and 50: WEST AFRICAN SEASHELLSClassis BIVAL
- Page 51 and 52: Familia ANOMIDAE Rafinesque, 1815Ge
- Page 53 and 54: Familia CONDYLOCARDIIDAE Bemard, 18
- Page 55 and 56: Familia SCROBICULARIIDAE H.& A. Ada
- Page 57 and 58: Classis CEPHALOPODA Schneider, 1784
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BIBLIOGRAFIA - BIBLIOGRAPHYWEST AFR
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WEST AFRICAN SEASHELLSl'Afrique pen
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WEST AFRICAN SEASHELLS- Maltzan H.
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WEST AFRICAN SEASHELLS- Rolan E. (1
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- Warén A. (1980); Description ofn
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brusinai Chrysallida 40, 235bubista
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~gradosuturae Odostomia 39, 238grae
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ornata Crassatina 51ornata Divarice
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tranquebaricum Cymatium 27, 129trap
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IWEST AFRICAN SEASHELLS1r[ ,..&A1 ~