Contents {continued). 



June 3, 1890. 



Page 

 The Secretary. Eeport on the additions to the Society's Menagerie in May 1890 411 



Mr. Sclat^r. Exhibition of, and remarks upon, two young specimens of Darwin's Rhea {Bhea 



darwini) from the Province of Tarapac4 412 



Mr. Sclat^-r. Exhibition of, and remarks upon, the flat skin of a Zebra received from 



Berbera, Northern Somali-Land 412 



1. On a Collection of Acarina formed in Algeria. By A. D. Michael, F L.S., F.Z S., 



F.R.M.S.,&c. (Plates XXXVn. & XXXVIII.) 414 



2. On the Anatomy of Podica senegalensis. By Frank E. Beddard, M.A., F.B.S.E., 



Prosector to the Society, and Lecturer on Biology at Guy's Hospital. (Plate XXXIX.) 42.5 



3. On a Collection of Mammals obtained by Dr. Emin Pasha in Central and Eastern Africa. 



By Oldfield Thomas, F.L.S. (Plate XL.) 443 



4. Descriptions of two new Species of the Siluroid Genus Arqes. By G. A. Boulengbr. 



(Plate XLI.) 450 



5. On some new Species of Fishes from Madeira. By James Yate Johnson, CM.Z.S 452 



June 17, 1890. 



Mr. Sclater. Exhibition of, and reinarks upon, a mounted head of a rare Antelope {Mpyceros 



peterst) .' 460 



Mr. Gambier Bolton, F.Z.S. Exhibition of, and remarks upon, a photograph of Gravy's 



Zebra {Eqiius grevyi) 461 



Mr. T. Southwell. Exhibition of. and remarks upon, a mounted specimen of the Caspian 



Plover {^(/ialitis ccsiutka) shot at Yarmouth 461 



Prof. Jeffrey Bell. Remarks as to the mode of life of the Pennatulids 462 



The Secretary. Remarks upon a map transmitted by M. P. A. Pichot, C.M.Z.S., giving 



the exact locality in which the Beaver is found on the Delta of the Rhone 463 



Mr. W. T. Blanford, F.R.S. Exhibition of, and remarks upon, a photograph of the 



Indian Gaur (Bos gaums) 463 



1. A List of the Butterflies collected by Mr. William Bonny on the Journey with Mr. Stanley 



from Yambuya on the Aruwimi River through the Great Forest of Central Africa"; 

 with Descriptions of nine new Species. By H. Grose Smith, F.Z.S 463 



2. Report on a Collection of Rhynchota made at Yambuya, on the River Aruwimi, by 



Mr. W. Bonny of the Emin Pasha Relief Expedition under Mr. H. M. Stanley. 

 By W. L. DiSTAST 473 



3. On some Coleopterous Insects collected by Mr. W, Bonny in the Aruwimi Valley. By 



H. W. Bates, F.R.S., F.L.S 479 



4. Descriptions of new Species of Lepidoptera Heterocera from Central and South America. 



By Herbert Drcce, F.L.S., F.Z.S., &c. (Plates XLII. & XLIII.) 493 



5. Note on the Secondary Sexual Characters in the South-African Tortoises of the Genus 



Homopus. By G. A. Boui.exger 521 



6. Notes on some Indian Rats and Mice. By W. L. Sclater, B.A., F.Z.S., Deputy Superin- 



tendent of the Indian Museum. (Plates XLIV. & XLV.) 522 



7. On Secondary Sexual Characters in the Genus Arnoglossus. By J. T. Cunningham, M.A., 



F.R.S.E., Naturalist to the Marine Biological Association ; 540 



8. Notes on Specimens in the Hume Collection of Birds. — No. 6. On the Coraciidse of the 



Indian Region, with Descriptions of some new Species. By R. Bowdler Sharpe, 

 F.L.S., &c 546 



9. On a Collection of Lepidoptera made by Mr. Edmund Reynolds on the Rivers Tocantins 



and Araguaya and in the Province of Goyaz, Brazil. By Emily Maey Suarpe. 

 (Communicated by R. Bowdler Suarpe, F.Z.S. J (Plate XLVI.) 552 



10. On a Case of the Occurrence of a persistent Right Posterior Cardinal Vein in the Rabbit. 



By Edmund S. Hall, Student of Guy's Ho.spital. (Communicated by F. E. Beddard, 

 M.A., Prosector to the Society, Lecturer on Biology at Guy's Hospital) 577 



11. On some Cases of Abnormal Repetition of Parts in Animals. By William Bateson, 



M.A., Fellow of St. John's College, Cambridge, and Balfour Student in the University. 679 



