Vlll CONTENTS. 



rage 

 LXXI. On the Species which have be>n included in Zygony.v, 

 Ilagen and De Selys. By W. F. Kirhy, F.L.8., F.E.8., &c 539 



LXXII. Note on the Individual Variation of the Common Hedge- 

 hog (Erimceus eurojurus, Linn.)- By Dr. Einar Lonxberg 5-42 



rroceedings of the Geological Society 544, 545 



Gulianthinu.x {Sphi/rorrhim) Wisei, by E. A. Heath, M.D., F.L.S. ; 

 On the Skeleton of the Snout and Os caruucuhe of the Mammary 

 Foetus of Monotremei!, by Prof. J. T. Wilson, M.13., Ch.M 540 



Index 548 



rLATl-:s IX VOL. V. 



Nephridium of Xephthys cseca. 



Pl.*tk I. New Tabanidse. 



11. 1 



III. 



IV. British Species of Siphonostoma. 



V. Cyproidia otakensis. 



VI. New Aniphipoda. 



VII I 



■ > Species of Nephthys. 



IX. Urenchelys anglicus and Aulolepis typus. 



X. Euphauerops longtBvus and Deltodus Croftoni. 



XI. New Mollusca. 



XII. New Odonata. 



