INDEX SLIPS. 



CHEMISTRY. 

 Ray, P. C. A Study on the Constitution of Dimercurammonium Salts. 



Calcutta, Journ. As. Soc. Bengal, LXXII, Pt. ii, 1903 (1-4). 

 Mercuroxy-ammonium compounds. 



CHEMISTRY. 

 Ray, P. C. Dimercurammonium Nitrate. Calcutta, Journ, As. Soc, 



Bengal, LXXII, Pt. ii, 1903 (4-6). 

 Mercuroxy- ammonium nitrate. 



ZOOLOGY. 



Peal, H. W. The function of the Vasiform Orifice of the Aleuro- 

 didre. Calcutta, Journ. As. Soc. Bengal, LXXII, Pt. ii, 1903 

 (6-7). 



Vasiform Orifice of the Aleurodidw, Function of 



ZOOLOGY. 



Peal, H. W. The " Green Bug " and other Jassids, as food for Birds. 



Calcutta, Journ. As. Sec. Bengal, LXXII, Pt. ii, 1903 (7-9). 

 Green bug {Nezara viridula). 

 Mango Jassid (Ideocerus niveosparsus). 

 Bhindi Jassid (undetermined). 



Economic importance of : — 



ZOOLOGY. 



Walton, H. J. Note on the occurrence of Motacilla taivana (Swinh.) 

 near Calcutta. Calcutta, Journ. As. Soc. Bengal, LXXII, Pt. ii, 

 1903 (9-10). 



Motacilla taivana (Swinhoe). 

 Recorded from Calcutta. 



