Page 

 On Mammals from Nyassaland 54f) 



Description of a new Monkey of the Genus Semnopithecus 

 from Northern Borneo. (Plate XLI.) 582 



Thomson, Arthur, Head-Keeper of the Society's Menagerie. 



Report on the Insect-house for 1891 193 



Wattenwyl, C. Brunner v., and Redtenbacher, Pro- 

 fessor J. 



On the Oithoptera of the Island of St. Vincent, West 

 Indies. (Plates XV.-XVII.) 196 



Woodward, A. Smith, F.Z.S., of the British Museum 

 (Natural History). 



Exhibition of, and remarks upon, specimens of the sup- 

 posed jaws and teeth of Bothriolepis 118 



Woodward, M. F., Demonstrator of Zoology, Royal College 

 of Science, London. 



On the Milk-Dentition of Procavia {Hyrax) capensis and 

 of the Rabbit {Lepus cuniculus), with Remarks on the Re- 

 lation of the Milk and Permanent Dentitions of the Mam- 

 malia. (Plate II.) 38 



Description of an Abnormal Earthworm possessing Seven 

 Pairs of Ovaries. (Plate XIII.) 184 



Woodward, R. B., F.G.S., F.R.M.S. 



On the Mode of Growth and the Structure of the Shell in 

 Velates conoideus, Lamk., and other Neritidce. (Plates 

 XXXI. & XXXII.) 528 



Wright, Professor R. Ramsay, F.Z.S. 



Letter from, enclosing photographs of the heaps of skulls 

 of the American Bison collected on the Saskatchewan Plains. 76 



