CONTENTS. 



PART I.— December, 1879. 



I On the Genus Actinometra, Mull., with a Morphological Account of a New Species 

 (A. polymorph*) from the Philippine Islands. -Tart I. By P. Herbert Car- 

 penter MA, Assistant Master at Eton College. {Communicated by W. B. 

 Carpenter, C.B., M.D., BB.B., F.B.S., F.B.S.) (Plates I.-VIIL). . page 1 



PART IL— March, 1881. 



II. On some New Species of Nudibranchiate Mollusca from the Eastern Seas. By 



Cuthbert Collingwood, M.A., M.B., F.B.S., 8fc. (Plates IX. & X. and Wood- 

 cut.) 



III. On the Anatomy of Ants. By Sir John Lubbock, Bart., M.P., F.B.S. , F.L.S., 



B.C.B., LL.U., rice-Chancellor of the University of London, President of the 

 Entomological Society. (Plates XL & XII.) 141 



IV . On the Extinct Band- Tortoises of Mauritius and Rodriguez. By Alfred C. Haddon, 



B.A., Scholar of Christ's College, and Curator in the Museum of Zoology and 

 Comparative Anatomy of the University of Cambridge. {Communicated by Prof. 

 Newton, M.A., F.B.S.) (Plate XIII.) 155 



PART III.— February, 1S82. 



V. On the Morphology of the Skull in the Amphibia Urodelia. By Prof W. Kitchen 



Parker, F.B.S., F.L.S. (Plates XIV.-XXI.) 165 



VI. On the Tusks of the Fossil Walrus, found in the Bed Crag of Suffolk. By E. Ray 



Lankester, M.A., F.B.S., F.B.S., Professor of Zoology and Comparative Anatomy 

 University College, London. (Plate XXII. and Woodcut.) 213 



in 



