On Pemphix, Glyphea, and Arseosternus. 133 EXPLANATION OF PLATE V. Fig. 1. Aeis orientalis : part of largest specimen, from front, natural size. Fig. 2. The same : apex of branch, from front, x 8 diam. Fig. 3. The same : apex of branch, from behind, X 8 diam. Figs. 4 & 5. The same : cortical fusiform spicules No. 1, X 43 diam. Fig. 6. The same : cortical squamous spicule No. 2, X 43 diam. Fig. 7. Parisis mauritiensis : lateral branch, nat. size. Fig. 8. Muricella perramosa : terminal branch, nat. size. Fig. 9. The same : cortical spicule No. 1, x 43 diam. Fig. 10. The same : cortical spicule No. 2, x 43 diam. XIV. — Carcinological Investigation on the Genera Pemphix, Glyphea, and Araeosternus. By T. C. Winkler*. I. Introduction f. A few months ago Dr. J. G. De Man, Curator at the Museum of Natural History at Leyden, informed me that he * Translated by W. S. Dallas, F.L.S, from the ' Archives du Muse"e Teyler,' ser. ii. deuxieme partie (1881), pp. 73-124. t Literature. 1822. Brongniart et Desmarest. Histoire Naturelle des Crustace's fossiles. 1822. Schlotheim. Nachtrage zur Petrefaktenkunde. 1827. Mantell. Geology of Sussex. 1829. Phillips. Geology of Yorkshire. 1833. H. von Meyer, in Nova Acta Naturse-Curiosorum, torn. xvi. pars ii. 1834. Milne-Edwards. Histoire Naturelle des Crustace's. 1839. Von Munster. Beitriige zur Petrefaktenkunde. 1839. F. A. Romer. Versteinerungen des norddeutschen Oolithgebirges. 1839. Geinitz. Oharacteristik des sachsischen Kreidegebirges. 1840. Von Meyer. Neuer Gattungen f ossiler Krebse. 1841. F. A. Romer. Versteinerungen des norddeutschen Kreidegebirges. 1842. Deslongchamps, in the Memoires de la Socie"t6 Linneenne de Normandie. 1849. Robineau-Desvoidy, in the Annales de la Soci^te' Entomolo-gique de France, 2 e serie, tome vii. 1849. M'Coy, in the Annals and Magazine of Natural History, vol. iv. 1850. Dixon. Geology and Fossils of Sussex. 1850. Von Meyer, in the Palseontographica, Band i. 1851. Bronn. Lethsea geognostica. 1852. Milne-Edwards, in the Annales des Sciences Naturelles, 3 8 serie, tome xvii. 1854. Bell, in the Annals and Magazine of Natural History, ser. 2, vol. xiv. 1854. Pictet. Trait<5 de Paleontologie. 1858. Quenstedt. Der Jura.
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