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Titre : Annual report of the Bureau of American ethnology to the Secretary of the Smithsonian institution
Auteur : Bureau of American ethnology (Washington, D.C.). Auteur du texte
Éditeur : Government printing office (Washington)
Date d'édition : 1916
Contributeur : Powell, John Wesley (1834-1902). Directeur de publication
Notice du catalogue : http://catalogue.bnf.fr/ark:/12148/cb37575968z
Notice du catalogue : https://gallica.bnf.fr/ark:/12148/cb37575968z/date
Type : texte
Type : publication en série imprimée
Langue : anglais
Format : Nombre total de vues : 40082
Description : 1916
Description : 1916 (N38)-1917.
Description : Note : Index.
Droits : Consultable en ligne
Droits : Public domain
Identifiant : ark:/12148/bpt6k27651m
Source : Bibliothèque nationale de France
Conservation numérique : Bibliothèque nationale de France
Date de mise en ligne : 15/10/2007
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inclined to believe that occasionally this adhesive substance, whatever it was, did not prove sufficiently strong. Before using thèse implements they have to be moistened so as to make thé timber swell, which thus helps to keep the stone chips more firmly fixed (Cr, 119). The largest kind of grater would appear to come from the upper Rio Negro area, where Wallace gives their dimensions as about 3 feet long and 1 foot wide (ARW, 326) with a boss on the front. The smallest, a kind specially made for grating Brazil nuts by the Taruma on the headwaters of the Essequibo, measures about 4 by 8 inches (JO).
336. A description of the manufacture of a cassava grater among the Taruma can be made under four headings: Thé preparation of the board (by men), the making of the stone chips (by women), their fixation into it (by men and women), and the final touches (by men).
Fie. 84.-Stone chip cassava grater. Diagram showing the lines along which the chips 'are inserted.
337. To get the board, a man will fell a tree (one of the Sima,ru]!:a,s?),cutoNa. a block 2 or & feet long from thé outside part, and square it down with a cutlass to a piece from 15 to 20 inches wide and about 1 inch thick, making the front and back slightly concave and convex, respectively. He finally
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draws his "diagram" on thé front of the board with his finger dipped in a vegetable dye. This diagram or pattern is a rectangular ngure, crossed with parallel diagonals, leaving a free margin of from one-half tolinchatthesides,andfrom3to6inchesattheends (Ëg.84:,A,B,C). 338. With regard to the preparation of the stône chips, the only quarry in the Taruma country where this particular stone (a, porphyry) is obtained is about a mile above the Duarwau (Euassi-kiju) Creek, where an outcrop runs across the bottom of thé. Essequibo River, and hence can only be obtained in the very dry season. Brown and Sawkins, in their Geology of British Guiana, London, 1875, page 193, thus describe the stone: Just beyond thé mouth of thé Cassildtu (Kuassi-kiju) River the granite gives way and is succeeded by quartz porphyry. It is of a graycolor, is composed of crystals of feldspar in a feldspathic base, along with green chlorite crystals in aggregation, and contains but few quartz crystals." Besides Taruma, the Waiwai, Parikuta, and Wapishana may corne to fetch stone from here, though the Waiwai have a quarry in their own country on top