Contents {continued). 



June 20, 1882. 



Page 



(lie Secretary. Report on the additions to the Society's Menagerie in May 1882. 



(Plate XXXVII.) • 546 



Mr. Sclater. Exhibition of some Lepidoptera &c. reared at the Insect-house in the Society's 



Gardens _ ; / "^° 



Mr. W. A. Forbes. Exhibition of, and remarks upon, some preparations showing the rudi- 

 mentary hallux of several birds commonly described as three-toed 548 



Prof. Owen, C.B., F.R.S. Notice of the twenty-fourth of his series of Memoirs on the 



extinct birds of the genus Dimriiis 541) 



1. On the Valves of the Heart of Ornithorhynclms paradoxus compared mth those of Man 



and the Eabbit, with some Observations on the Fossa Ovalis. By E. Eat Lankestee, 

 M A F.E.S., Jodrell Professor of Zoology in University College, London. (Plates 

 XXXVIII.-XLI.) ,..'.. 549 



2. On the Respiratory Organs of Apteryx. By Thomas H. Huxlet, F.E.S., F.Z.S .560 



3. Contributions to the Anatomy of Passerine Birds.— Part VI. On A'enicus and Acanthisiffa 



us type,s of a new Family {Xenicida) of Mesomyodian Passeres from New Zealand. By 

 W. A. FoRDES, B.A., Fellow of St. John's College, Cambridge, Prosector to the Society 569 



4. On Trichina spiralis. By Prof. Owen, C.B., F.E S., F.G.S., &c 571 



.'i. On the Genus Leptomya (A. Adams). By Sylvasus Hanley 576 



(> Note on Eiippell's Parrot. By P. L. Sclatek, M.A., Ph.D., F.E.S., Secretary to the 



Society. (Plate XLII.) 677 



7 On two apparently new Species of the Genus Synallaxis. By P. L. Sclateb, M.A., 



Ph.D., F.R.S., Secretary to the Society. (Plate XLIJI.) 578 



5. On the Muscular Anatomy oiProtclcs as compared witli that of Hymna and Viverra. By 



M. Watson, M.D., Professor of Anatomy, the Owens College, Manchester 579 



',1 Description of a new Species of Eat from China. By Oi.dfield Thomas, F.Z.S. , British 



Museum. (Plate XLIV.) 587 



10. On two apparently new Species of Erythropygia. By R. Bowdler SnARi-E, F.L.S., 



F.Z.S., &c., Department of Zoology, British Museum. (Plate XL V.) 588 



11. On a new Species of Muscicapa from Western Africa. By R. Bowdler Sn arpe, F.L.S., 



F.Z.S., &c., Department of Zoology, British Museum '. 590 



LIST OF PLATES. 



1882. 

 PART III. 



Plate Pago 



XXin. Tapirus dowi (?) 391 



XXIV. New Species of Rhopaloeera 396 



XXV. Butterflies from Sikkim 398 



^-.„_ f Fig. 1. Nympliicus coniutus V 490 



■^ \ Fig. 2. Nympliicus uvseensis J 



-jC^jj I Structure of Feathers 409 



XXTX! ] 



XXX. ^New Araneidea 423 



xxxlJ 



XXXII. Cinnyris erikssoni 451 



XXXIIL Anas gibberifrons c^^ 4.52 



XXXrV. Xema furcatum 520 



XXXV. Actinometra annulata 530 



XXXVI. Fig. 1. Palinurus longimanus, var.mauritianus. Figs. 2', 3. 



Pseudibacus pfefleri 538 



XXXVII. Poreula salvauia 547 



XXXVIII. Heart-vahes of Man and Rabbit ^ 



^^^^Xl' 1 Heart-valves of Ornithorhynclms . . , I 649 



XLI. Heart-valves of Didelphys, Myrmecophaga, &c J 



XLII. Poeocephalus rucppelli 577 



.^_ _ -, f Fig. 1. Synallaxis fuseo-rufa 1 g-g 



AJj ii. -j pjg 2. Svnallaxis griseo-murina J 



XLIV. Mus edwardsi 587 



■yjY / ^'S- 1- Erythropygia ruficauda ) rgg 



■ \ Fig. 2. Erythropygia zambesiana J 



