Contents {continued). 



June 3, 1890. 



Page 

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



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



darwini) from the Province of Tarapaca 412 



Mr. Sclater. 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., P.Z.S., 



F.R.M.S.,&c. (PhUes XXXVII. & XXXVIII.) 414 



2. On the Anatomy of Podka senegalensis. By Frank E. Beddard, M.A., F.R.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 Argcs. By G. A. Boulengbr. 



(Plate XLI.) 450 



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



June 17, 1890. 



Mr. Sclater. Exhibition of, and remarks upon, a mounted head of a rare Antelope (Mpyceros 



petersi) • • 460 



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



Zebra {Equus grevi/i) 461 



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



Plover {Myialitis asiatka) 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, P.R.S. Exhibition of, and remarks upon, a photograph of the 



Indian Gaur {Bos gaurus) 463 



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

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

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



■> 



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. Distant 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 Druce, F.L.S., F.Z.S., &c. (Plates XLII. & XLIII.) 493 



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



Homopus. By G. A. Boulenger 521 



(1. 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 Amoglossus. By J. T. Cunningham, M.A., 



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



S. Notes on Specimens in the Hume Collection of Birds.— No. 6. On the Coraciidfe of the 

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

 F.L.S., &c 546 



'.I 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 Mary Sharpe. 

 (Communicated by R. Bowdler Siiarpe, 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 P. 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 



