CONTENTS. 



Page 

 On Mercurous Nitrite.— By P. C. Ray, D. Sc. ... ... 1 



Noviciee Indicse X. Some additional Fumariaceae. — By D. Pbain ... 9 

 Contributions to the Theory of Warning Colours and Mimicry, No II. 

 Experiments with a Lizard (Calotes versicolor). — By Frank: 

 Finn, B.A., F.Z.S., Deputy Superintendent of the Indian Museum. -12 

 A Note on the Nature of the Substance formed during fermentation, 

 from which Indigo Blue is eventually formed in Indigo Manufac- 

 ture; and on Indigo Brown. — By Sup.G.-Lt.-Col. G. S. A. 

 Ranking, B.A., M.D., M.R.A.S. 



