CoNTKNTS {continued). 



Pag« 

 December 7, 1886. 



Prof. Bell. Exhibition of, and remarks upon, a specimen of T<enia natm 505 



1. Observations on the DcTelopmcnt 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 Anatomy and Systematic Position of the Liassic Selachian, Squaloraja pcly- 



spundi/la, Agas.«iz. By A. Smith Woodwari), F.G.S., of the British Museum (Natural 

 History). (Plate LV.) .')27 



3. On an appnrently new Parrot of the Genus Convnts li\ing in the Society's Gardens. By 



P. L. ScLATER, M.A., Ph.D., F.K.S., Secretary to the Society. (Plate LVI.) .538 



4. On an xmdescribed Pimelepterus from Port Jackson. Bv J. Douglas Ocilby, Department 



of Pishes, Austr. Mus. Sydney. (Communicated by'F. Dat, C.I.E., F.Z.S.) 539 



5. On the South-African Tortoises allied to Tcstudo geometrica. By G. A. Boulenggr. 



(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 the Wallaby commonly known as Lagorckestes fasciatus. By Oi.diield Thomas, 



Natural History Museum. (Plate LTX.) .544 



8. On Phascologale virginice, a rare Pouched Mouse from Northern Queensland. By Robert 



CoLLETT, C.M.Z.S. (PlateLX.) 548 



December 21, 1886. 



The Secretary. Report on the Additions to the Society's Menagerie in November 1886 .... 549 



Mr. Howard Saunders. Exliibition of, on behalf of Mr. R. J. Howard, and remarks upon, 



a specimen of a hybrid between the Tufted Duck and the Pochard 560 



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 ou Patho- 

 logy, Royal College of Surgeons .V»( 



2. On the Systematic Position and Cla.ssification of Sponges. By R. v. Lendknpkld, Ph.D., 



P.L.S., Assistant in the Biological Laboratory of Univei-sity College, London .'S.'JS 



3. On Indian Earthworms. — Part L Preliminary Notice of Earthworms from the Nilgine 



and Slievaroys. By Alfkkd GinBs Bourne, D.Sc. (Lond.1, F.L S., Fell. Univ. Coll. 

 Lond., Fell. Madras Univ., Professor of Biology in the Presidency College, Madras. 

 (Communicated by Prof. Ray Lankk.steu, F.Z.S.) 662 



Appendix : List of Additions to the Society's Menagerie during the Year 1886 673 



Index 699 



Title-page, Lists of Contributors and their Articles, of Pl.ites, and of Woodcuts in Volume. 



