F. R. Wells . 



On tlie Morphology and Development of the Chondocranmm 

 of the larval Clupea harengus. 



R. I. PococK, E-ltS., F.Z.S. 



On the External Characters of the Beaver (Castoridre) and 

 - -.some Squiri'els (Sciuridse). 



Arthur LovERiDGE, F.E.S., C.M.Z.S. 



Notes on East African Birds (chiefly nesting-habits and 

 stomach -contents) collected 1915-1919. 



0. A. Adair Dightok, M.B., F.E.C.S., F.Z.S. 



Coat-colour in Greyhounds. 



Ekendranath Gosh, M.Sc, M.D., F.R.M.S., F.Z.S. 



On the Animal of Bcapliida Benson, with the Description of 

 a new Species of Sccqjhula. 



J. H. Lloyd, M.Sc, F.Z.S., and Edith M. Sheppard, B.Sc, F.Z.S. 



A Contribution to the Anatomy of a Hammerhead-Shark 

 {Zygcena malleus), 



E. Leoxard Gill, M.Sc. 



The Permian Fishes of the Genus Acentro2)horus. 



R. H. Mehra, M.Sc. 



Two new Indian Species of the little-known Genus Aulo- 

 drilus (Bretscher), aquatic Oligochceta belonging to the Family 

 Tubificidse. 



Charles F. So^ntag, M.D., F.Z.S. 



On the Vagus and Sympathetic Nerves of the Terrestrial 

 Carnivora. 



E. A. Stensio. 



Notes on certain Crossopterygians. 

 M. L. Bhatia, M.Sc, F.R.M.S. 



The Nervous System of Scoloiiendra morsitans Bufibn. 



J. Stephenson, M.B., D.Sc, F.Z.S. 



The Oligochajta of the Oxford University Spitsbergen 

 Expedition. 



GoBiND Singh Thapar, M.Sc. 



On the Arterial System of the Lizard Varanus hengalensis 

 Daud., with Notes on Uromastix and Heimdactyli(jS, 



