Bingham, Lt.-Col. C. T., F.Z.S., F.B.S. 



A Contribution to the Knowledge of the Hymenopteroua 

 Fauna of Ceylon. (Plate XV.) 401 



Blajstfobd, "W. T., LL.D., F.R.S., F.Z.S., &e. 



Remarks on the Eules of Zoological Nomenclature .... 321 



Exhibition of, and remarks upon, four heads of Ovis 

 ammon from the North-west Altai, Central Asia, obtained 

 by Major Cumberland 786 



BOULENGBE, GrBOBGE AlBEET, F.E.S., F.Z.S. 



Second Report on the Reptiles and Batrachians collected 

 by Dr. A. Donaldson Smith during his Expedition to 

 Lake Rudolf. (Plates VII. & VIII.) 212 



On some little-known Batrachians from the Caucasus. 

 (Plates XXI. & XXII.) 548 



Remarks on the Dentition of Snakes and on the Evolu- 

 tion of the Poison-fangs 614 



On the Occurrence of Schlegel's Gavial {Tomistoma 

 schlegeli) in the Malay Peninsula, with Remarks on the 

 Atlas and Axis of the Crocodilians 628 



On a new Gecko from Penang. (Plate XXXVI.) 767 



Descriptions of new Fishes from the Upper Shire River, 

 British Central Africa, collected by Dr. Percy Rendall, 

 and presented to the British Museum by Sir Harry H. 

 Johnston, K.O.B. (Plate XLVII.) 915 



On the Lizards of the Genus Eremias, Section Boulen- 

 geria ^20 



Bbownb, Edwabd T., B.A., F.Z.S., Zoological Research 

 Laboratory, University College, London. 

 On British Hydroids and Medusae. (Plates XVI. & 

 XVn.) • 459 



