CONTENTS. 



Page 



Contributions to the Theory of Warning Colours and Mimicry No. IV. 

 Experiments with various Birds. Summary and Conclusions. — 

 By F. Finn, B. A., F. Z. S., Deputy Superintendent of the 

 Indian Museum ... ... ... ... 613 



A List of the Butterflies of Bali, LomboJc, Sambawa and Sumba. — 

 By Lionel de Nice>ille, F. E. S., C. M. Z. S., &c, and H. J. 

 ' Elwes, F. R. S., P. L. S., F. Z. S., F. E. S. ... ... 668 



On the manifestation of Social Instinct in the Common Babbler (Cra- 

 teropus canorus). — By B. B. Osmaston, Indian Forest Service. 

 Communicated by the Natural History Secretary ... ... 724 



Notes on various species of Grebes, with especial reference to the power 

 of walking and digestion possessed by these birds. — By F. Finn, 

 B, A., F. Z. S., Deputy Superintendent of the Indian Museum ... 735 



