Contents {continued). 



February 2, 1892 {continued). 



Page 

 Prof. R. Ramsay Wright, F.Z.S. Letter from, enclosing photographs of the heaps of skulls 



of the American Bison collected on the Saskatchewan Plains 76 



Mr. Sclater. Exhibition of, and remarks upon, the egg and young of the Partridge Bronze- 

 wing Pigeon {Geophwps scripta) t 76 



1. On a remarkable Sirenian Jaw from the Oligocene of Italy, and its bearing on the 



Evolution of the Sirenia. By R. Lydekker, B.A., F.G.S 77 



2. Descriptions of Ooleoptera collected by Mr. John Whitehead on Kina Balu, Borneo. — 



Families Hlspid(e, Erotylidce, Endoniychidce, Lycida, Lampyrida?, &c. By the Rev. 

 H. S. GoRciAM, F.Z.S. (Plate IV.) 83 



3. On the Ooleoptera collected by Mr. W. Bonny in the Aruwimi Valley, Central Africa. 



By the Rev. H. S. Gobiiam, F.Z.S., and C. T. Gaiian, M.A 90 



4. On a small Collection of Mammals brought by Mr. A. Sharpe from Nyassaland. By 



PiirLip LuTLEY Sclater, M.A., Ph.D., F.R.S., Secretary to the Society 97 



5. On a New Antelope from Somaliland, and on some other Specimens of Antelopes I'rom 



the same Country. By P. L. Sclater, M.A., Ph.D., F.R.S., Secretary to the Society. 

 (Plate V.) 98 



6. On Numerical Variation in Teeth, with a Discussion of the Conception of Homology. 



By W. Bateson, M.A., Fellow of St. John's College, Cambridge 102 



February 16, 1892. 



Mr. W. T. Blanford. Exhibition of, and remarks upon, two heads and a skin of the Yarkand 



Stag 116 



Mr. Sclater. Exhibition of, and remarks upon, some "Spinning " or " Japanese " Mice. . . . 117 



Mr. Sclater. Exliibition of, and remarks upon, a series of mounted heads of Antelopes belong- 

 ing to Capt. Swayne, including one of Btibalis swaynei 117 



Mr. A. Smith Woodward. Exhibition of, and remarks upon, specimens of the supposed 



jaws and teeth of Bothriolepis 118 



Mr. F. E. Beddard. Abstract of a Memoir on the Anatomy of the Anthropoid Apes 118 



1. On a Collection of Lepidoptera from Sandakan, N.E. Borneo. By Arthur G. Butler, 



F.L.S., P.Z.S., &c. (Plate VI.) 120 



2. Third Account of the Fishes obtained by Surgeon-Major A. S. G. Jayakar at Muscat, East 



Coast of Arabia. By G. A. Boulanger 134 



3. Descriptions of Three new Species of Earthworms. By W. Blaxland Benham, D.Se. 



(Lond.), Aldrichicin Demonstrator in Anatomy in tlie University of Oxford. (Plates 

 VII.&VIII.) 136 



4. On some Species of the Genus Perichcefa {sensu stricto). By Frank E. Beddard, M.A., 



Prosector to the Society. (Plates IX. & X.) 153 



