

CONTENTS. 



Page 

 XVII. — The relationship of the water-supply, water-logging, and 

 the distribution of Anopheles Mosquitos respectively, to the 

 prevalence of Malaria north of Calcutta. — By Leonard Rogers, 

 M.D., M.R.C.P., I.M.S., Professor of Pathology, Medical 

 College [With a Map.] ... ... ... ... 457 



XVIII. — I. Further Researches on Mercurous Nitrite and its Deriva- 

 tives. II. On Mercurous Iodide and a new method of its Pre- 

 paration.— By P. C. Rat, D.Sc. ... ... ... 476 



XIX. — Description of a new Himalayan genus of Orobanchacese. 



—By J. S. Gamble, M.A , F.R.S., and D. Prain ... ... 488 



