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Show CONTENTS (continued). Page December 7, 1886. Prof. Bell. Exhibition of, and remarks upon, a specimen of Tcenia nana 505 1. Observations on the Development and Structure of the Ovum in the Dipnoi. By FRANK E. BEDDARD, M.A., F.R.S.E., Prosector to the Society, and Lecturer on Biology at Guy's Hospital. (Plates LII.-LIV.) 505 2. On the jAnatomy and Systematic Position of the Liassic Selachian, Squaloraja polyspondyla, Agassiz. By A. SMITH W O O D W A R D , F.G.S., of the British Museum (Natural History). (Plate LV.) 527 3. On an apparently new Parrot of the Genus Conurus living in tbe Society's Gardens. By P. L. SCLATER, M.A., Ph.D., F.R.S., Secretary to the Society. (Plate LVI.) 538 4. On an undescribed Pimelepterus from Port Jackson. Bv J. DOUGLAS OGILBY, Department of Fishes, Austr. Mus. Sydney. (Communicated by'F. DAY, CLE., F.Z.S.) 539 5. On the South-African Tortoises allied to Testudo geometrica. By G. A. BOULENGER. (Plates LVII. & LVIII.) 540 6. Remarks on Prof. W. K. Parker's paper on the Skull of the Chameleons. By G. A. BOULENGER 543 7. On tbe Wallaby commonly known as Lagorchestes fasciatus. By OLDFIELD THOMAS, Natural History Museum. (Plate LIX.) 544 8. On Phascologale virgin-ice, a rare Pouched Mouse from Northern Queensland. By ROBERT COLLETT, C.M.Z.S. (Plate LX.) 548 December 21, 1886. Tbe Secretary. Report on tbe Additions to the Society's Menagerie in November 1886 .... Mr. Howard Saunders. Exhibition of, on behalf of Mr. R. J. Howard, and remarks upon, a specimen of a hybrid between the Tufted Duck and the Pochard 550 1. On Atavism. A Critical and Analytical Study. By J. BLAND SUTTON, F.R.C.S., Lecturer on Comparative Anatomy, Middlesex Hospital, Erasmus Wilson Lecturer on Pathology, Royal College of Surgeons 551 2. On the Systematic Position and Classification of Sponges. By R. v. LENDENFI:LD, Ph.D., F.L.S., Assistant in tbe Biological Laboratory of University College, London 558 3. On Indian Earthworms.-Part I. Preliminary Notice of Earthworms from tbe NilgiriB and Sbevaroys. By ALFRED GIBBS BOURNE, D . S C (LoDd.), F.L S., Fell. Univ. Coll. Lond., Fell. Madras Univ., Professor of Biology in the Presidency College, Madras. (Communicated by Prof. R A Y LANKESTER, F.Z.S.) .. -. 662 Appendix : List of Additions to the Society's Menagerie during the Year 1886 673 Index ••• • «99 Title-page, Lists of Contributors and their Articles, of Plates, and of Woodcuts in Volume. |