A monograph of the British Graptolitidę

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William Blackwood and Sons, 1872 - 133 pages
 

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Page 130 - BODIES consisting of straight or flexuous stipes (simple or conjoined at base?), with alternating and widely diverging branches : branches long, simple or ramose, in the same manner as the stipe. Substance fibrous or striate; the main stipe and branches marked by a longitudinal central depressed line, indicating the axis. Cellules or serratures unknown.
Page 127 - An enlargement of one of the branchlets, showing the cellules. c. The main stipe and some of the principal branches, natural size. There is a swelling or protuberance at the base or radicle, one side of which is broken off FOSSILS 2. 1. Lingula
Page 128 - Flabellate fronds, with numerous slender bifurcating branches proceeding from a strong stem or axis. Branches and divisions celluliferous on one side, the opposite side striate ; sometimes distantly and irregularly united by transverse dissepiments.
Page 126 - Frond plant-like, rooted ? simple or branching. Branches and branchlets plumose, the pinnules rising alternately on opposite sides of the branches ; celluliferous on one face only : branches cylindrical or flattened. Substance corneous, dense ; apparently smooth exteriorly, or corrugated by compression, or during fossilization.
Page 127 - ... flabellate ?). Branches celluliferous on one side : cellules appearing sometimes as simple indentations on the surface, and sometimes distinctly angular, with the denticles conspicuous. In some specimens the cellules are indicated by prominent pustule-like elevations, arranged along the centre, or in subalternate order on one face of the branch.
Page 14 - Report of Progress of the Geological Survey of Canada for 1874-75." Dr. Ells, also, in the "Report of Progress...
Page 14 - Geological Survey of Canada — Figures and Descriptions of Canadian Organic Remains. Decade II. Graptolites of the Quebec Group. By James Hall. 8vo vol.

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