The timbers of British Guiana. A report upon the collection made by A.G. Bell

Abstract

The same as those of Sibbidanni (No. 78). Transverse Section. Darker than the other sections. Pores. Visible to the naked eye ; small ; not diminishing during season's growth ; some variation, but in no particular order. Scattered and evenly distributed, having the appearance of being attached to the Rays. Rays. Visible to the naked eye; fine; of one kind; regular, more than the width of a Pore apart; not avoiding the Pores. Rings. Apparently defined ; boundary doubtful ; contour regular.