Contents (continued}. 



November 17, 1891 {continued), 



1. Descriptions of new Species of Shells from New South Wales, New Guinea, the Caroline 



and Solomon Islands. By Edgar A. Smith, F.Z.S. (Plate XL.) 486 



2. On the Micro-Lepidoptera of the West Indies. By the Rt. Hon. Lord Walsingham, 



M.A., LL.D., F.R.S., &c. (Plate XLI.) 492 



3. On the Spiders of the Island of St. Vincent.— Part I. By E. Simon. (Plate XLII.) . . 549 



4. On the Nose, the Organ of Jacobson, and the Dumb-bell-shaped Bone in the Ornitho- 



rhynchus. By Johnson Symington, M.D., F.R.S.E., Lecturer on Anatomy, Minto 

 House, Edinburgh. (Communicated by Feank E. Beddard, M.A., F.Z.S.) (Plates 

 XLIII. & XLIV.). 575 



5. On a Mammalian Tooth from the Wealden Formation of Hastings. By A. Smith 



Woodward, F.Z.S 585 



6. On the Dates of the Parts. Plates, and Text of Schreber's ' Saugthiere.' By C. Davies 



Sherborn, F.Z.S 587 



7. A Synopsis of the Tadpoles of the European Batrachians. By G-, A. Boulenger. (Plates 



XLV.-XLVII.) 593 



December 1, 1891. 



Mr. Sclater. Exhibition of, and remarks upon, a specimen of a Shearwater {Piiffinus gavia) 



from Australia 627 



Dr. Edward Hamilton, F.Z.S. Exliibition of, and remarks upon, an example of the Eed- 



breasted Snipe of North America {Macrorhamphus griseus) shot in Argyllshire 627 



Mr. Seebohm. Exhibition of, and remarks upon, fire rare Irish Birds from the collection of 



Mr. R. M. Barrington . , 627 



Mr. W. B. Tegetmeier, E.Z.S. Exhibition of, and remarks upon, a Rook (Corvus frngilegus) 



with abnormal growth of the bill, and a Pheasant with the upper mandible wanting . 628 



1. Notes on Transcaspian Reptiles. By G. A. Boulenger 628 



2. Descriptions of New Butterflies collected by Mr. F. J. Jackson, F.Z.S., in British 



East Africa during his recent Expedition. — Part II. By Emilt Maky Sharpe. 

 (Plate XLVIII.) 633 



3. On the Association of Gramasids with Ants. By A. D. Michael, F.L.S., F.Z.S., F.R.M.S., 



&c. (Plates XLIX. & L.) 638 



4. Notes on the Bornean Rhinoceros. By Edward Bartlett, Naturalist to the Government 



of Sarawak 654 



.^. Notes on the Lemming {Myodes lemmus). By T. T. Somerville, of Oppegarde, Christiania. 655 



AppendLx : List of Additions to the Societj 's Menagei-ie during the Year 1891 659 



Index 679 



Titlepage i 



List of Contributors iii 



List of Plates xvii 



List of Woodcuts ... xix 



