Contents (continued). 



February 2, 1892 (continued). 



Page 

 Prof. E. Eamsay 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 (Geop/iaps scnpta) 76 



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



Evolution of the Sirenia. By E. Lydekker, B.A., F.Gr.S 77 



2. Descriptions of Coleoptera collected by Mr. John Whitehead on Ena Balu, Borneo. — 



Families Ris2nd(e, Erotylidm, EndomychidcB, Lycidcs, Lampyridce, &c. By the Eev. 

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



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



By the Eev. H. S. Gorham, F.Z.S., and C. T. Gauan, M.A 90 



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



Philip Lutley Sclater, M.A., Ph.D., F.E.S., Secretary to the Society 97 



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



the same Country. By P. L. Sclater, M.A., Ph.D., F.E.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 



Pebruary 16, 1892. 



Mr. W. T. Blanford. Exliibition of, and remarks upon, tvro 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 Bubalis swaynei 117 



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



jaws and teeth of Bothriolcpis , 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 Gr. Butler, 



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



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



Coast of Arabia. By G. A. Boulanger 134 



3. Descriptions of Three new Species of Earthworms. By W. Blaxlanb Benham, D.Sc. 



(Lond.), Aldrichian Demonstrator in Anatomy in the University of Oxford. (Plates 

 VII. & VIII.) 136 



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



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



