V 



Page 

 Benham, W. BLAiLA.i!fD, D.Sc. (Lond.), Hon. M.A. (Oxou.), 

 Aldrichian Demonstrator in Comparative Anatomy in 

 the University of Oxford. 

 Notes on a particularly Abnormal Vertebral Column of 

 the Bidl-frog; and on certain other Variations in the 

 Anuran Column. (Plate XXXIII.) 477 



Blaauw, F. E., C.M.Z.S. 



Eemarks upon drawings of the heads of two North- 

 American Swans (C'l/fjaus americaaas and C. buccinator) . . 606 



BouLENGEB, Geoege Albeet, F.E.S., F.Z.S. 



Exhibition of, and remarks upon, a specimen of a new 

 Gecko from South Africa {CEdura nivaria) 608 



Third Eeport on Additions to the Batrachian Collection 

 in the Natural-History Museum. (Plates XXXIX. & 

 XL.) 640 



Second Eeport on Additions to the Lizard Collection in 

 the Natural-History Museum. (Plates XLVn.-XLIX.) . . 722 



BuLLEK, Sir Walter L., K.C.M.G., E.E.S., C.M.Z.S., &c. 



Notes on the Petrel named (Estrelata leucophrj/s by 

 Captain Hutton 653 



BuTLEE, Arthub G., Ph.D., F.L.S., F.Z.S. 



On a Collection of Lepidoptera from British East Africa, 

 made by Dr. J. W. Gregory between the Months of March 

 and August 1893. (Plates XXXVI. & XXXVII.) 557 



CoLLETT, Prof. Egbert, E.M.Z.S. 



On a new Agonoid Pish {Agonus gilberti) from Kamt- 

 schatka. (Plate XLV.) 670 



CoLLiNGE, Walter E., Demonstrator of Zoology and Com- 

 parative Anatomy, Mason College, Birmingham. 

 Description of a new Species of Slug of the Genus 

 Janella , 526 



