. A catalogue of the collection of Cambrian and Silurian fossils contained in the Geological Museum of the University of Cambridge. Paleontology; Paleontology. ( xlvii ) ADDENDA. Page 3. Protospongia diffusa, Rep. Brit. Assoc., 1865, p. 285. Protocystites, Rep. Brit. Assoc, 1865, p. 285. 4. Agnostus Davidis, ib. p. 285. 4. Agnostus scutalis, ib. p. 285. 6. Anopolenus Henrici and Salteri, p. 481 not 478. 7. Olenus cataractes, Dec. xi., PI. 8, fig. 14. 10. Hyraenocaris vermicauda, PL 1, PI. 2, figs. 1—4. 10. Agnostus princeps, line 3 from bottom (dele 6) add PL 4, f. 2, 11. 23. Asaphus Solvensis
. A catalogue of the collection of Cambrian and Silurian fossils contained in the Geological Museum of the University of Cambridge. Paleontology; Paleontology. ( xlvii ) ADDENDA. Page 3. Protospongia diffusa, Rep. Brit. Assoc., 1865, p. 285. Protocystites, Rep. Brit. Assoc, 1865, p. 285. 4. Agnostus Davidis, ib. p. 285. 4. Agnostus scutalis, ib. p. 285. 6. Anopolenus Henrici and Salteri, p. 481 not 478. 7. Olenus cataractes, Dec. xi., PI. 8, fig. 14. 10. Hyraenocaris vermicauda, PL 1, PI. 2, figs. 1—4. 10. Agnostus princeps, line 3 from bottom (dele 6) add PL 4, f. 2, 11. 23. Asaphus Solvensis and A. Menapiae belong to Niobe, according to Dr Hicks. 128. Ateleocystites Fletcheri. In the Geological Magazine, 1871, Vol. VIII., p. 71, Mr Woodward calls attention to the genus Ateleocystites of Billings figured and described by him in Decade III. of the publications of the Geological Survey of Canada, Montreal 1858. In a letter which accompanies this notice, Mr Billings considers Ateleo- cystites, as suggested by Mr Woodward, to be generically identical with Placocystites, of De Koninck, Geol. Mag., 18701, Vol. VII., p. 260. PL vil., figs. 2, 3, 4, and with Anomalocijstites, of Hall, Pal., New York, 1859, Vol. Ill, p. 132, pi. 7a. and 88. The Ateleocystites Fletcheri appears to be the same species as the A. (Placocystites) Forbesianus of De Koninck; both were obtained from the Wenlock limestone of Dudley. Figures of more perfect specimens Ateleocystites Fletcheri, Salter = Placocystites Forbesianus, De Koninck. Fig. 1. „ 2. „ 3. „ 4. „ 5. „ Convex side, showing the so-called "anal plate" (a), and the ovarian pore (6), the base of the tentacles {t, t), and the point of attachment for the stem (s). Concave side, showing the tentacles (t, t). View of the lower extremity of the body, shewing the attachment of the stem (s). View of the top of the body, showing the points of attachment for the arms or tentacles (t, I). Portion of stem near the body: dr
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