Xlll 



Page 

 Descriptions of new Species of Shells from the ' Challenger ' 



Expedition. (Plates XXXIV. & XXXV.) 436 



Descriptions of new Species of Shells from New South 

 Wales, New Guinea, the CaroHiie and Solomon Islands. 

 (Plate XL.) 486 



SoMERviLLE, T. T., of Oppegarde, Christiania. 



Notes on the Lemming (Mijodes lemmus) 65-5 



Stebbing, Rev. Thomas R. R., M.A. 



Remarks on the Crustaceans of British Central Africa . . 312 



Stewart, Prof. Charles. F.L.S. 



On some Points in the Anatomy of Heloderma. (Plate 

 XI.) 119 



Stirling, Prof. E. C, M.A., M.D. Cantab., C.M.Z.S. 



Communication from, on the newly-discovered Australian 

 Mammal Notoryctes typlilops 327 



Exhibition of, and remarks upon, an Original Drawing of 

 the new Australian Mammal {Notoryctes typhlops) 446 



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

 Minto House, Edinburgh. 



On the Nose, the Organ of Jacobson, and the Dumb-bell- 

 shaped Bone in the Ornithorhynchus. (Plates XLIIL & 

 XLIV.) 575 



Tegetmeier, W. B., F.Z.S. 



Exhibition of, and remark? upon, a Rook (Corvus 

 fmgilegus) with abnormal growth of the bill, and a 

 Pheasant with the upper mandible wanting 628 



