. The Canadian journal of industry, science and art. DEVONIAN ROCKS OF CANADA WEST. 119 It closely resembles the figures of A. tulceformis, given by Goldfuss, but is always much larger. Locality and formation.—Lot 6, con. 1, Wainfleet. Corniferous. AuLOPORA FiLiFORMis.—-(Billings.) This species occurs in somewhat confused groups, or encrusting reticulating masses, composed of tubes about one third of a line in diameter, and branching at intervals which vary in length, from less than one to three or four lines. Locality and formation.—Occurs at Eama's farm, near Port Col- borne. Corniferous. I


. The Canadian journal of industry, science and art. DEVONIAN ROCKS OF CANADA WEST. 119 It closely resembles the figures of A. tulceformis, given by Goldfuss, but is always much larger. Locality and formation.—Lot 6, con. 1, Wainfleet. Corniferous. AuLOPORA FiLiFORMis.—-(Billings.) This species occurs in somewhat confused groups, or encrusting reticulating masses, composed of tubes about one third of a line in diameter, and branching at intervals which vary in length, from less than one to three or four lines. Locality and formation.—Occurs at Eama's farm, near Port Col- borne. Corniferous. I have seen only one Fig. 21. Aulopora vmbellifera, AuLOPORA UMBELLIFERA.—(Billings). The mode of growth of this remarkable species is sufficient to distinguish it at once from all other described forms of the genus. The parent stems are about one line in diameter, and remain single and straight for the distance of one fourth, or half an inch, when they give off branches in all directions, sometimes ten or twelve at once. These are at first oblique or somewhat parallel with the main tube^ and are conneftted laterally ; they then radiate like the spokes of a wheel, at right angles to the parent corallites, each soon giving birth to a similar circlet of new tubes. It may be that this species should constitute a new genus; but as I have not been able to ascertain wherein its internal structure dif- fers from Aulopora, I have disposed of it as above provisionally. Locality and formation.—Lot 6, con. 1, Wainfleet. Corniferous. Genus Zaphbentis.—(Eafinesque.) Generic characters.—Corallum simple, turbinate, elongated, free, enveloped in a thin, solid epitheca; radiating septa extending nearly or quite to the centre; transverse diaphragms well developed j a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the ori


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