for the years 1917-20. xxiii 



wliile those of tlie Nicobarese are severely plain ; the weapons and 

 ornaments of the Naga tribes display an exubeiance of colour and 

 form comparable to that of the plumage of certain tropical birds, while 

 those of the Abors or of the Mishmis are by no means ornate. 



Library. 



Mr. C. 0. Bateman, Librarian, submits the following report on the 

 library : — 



" The additions to the library for the three years 1917-18, 1918-19 

 and 1919-20 number 3,721, They are specified in detail in Appendix 

 I. One thousand three hundred and thirty six books and serials 

 were purchased, 1921, received in exchange and the remainder pre- 

 sented. 



" It has been possible through an English bookseller to obtain back 

 numbers of several of the German periodicals that were not obtainable 

 during the war and to bring the sets up to date. We have also been 

 able to purchase from second-hand booksellers several serials that were 

 not before available in India and to complete the sets of others that 

 were deficient in our library, as follows. Those that were not avail- 

 able previously in any library in Calcutta are marked with an asterisk : 



1. The Nautilus* (a complete set from Vol. I, 1886). 



2. Termeszetrajzi Fuzetek (Vols. I-XXI). 



3. Annals of Applied Biology* (Vols. I-VI). 



4. Memoirs of the Marine Biological Committee, Liverpool (Nos. 



1-5, 7-12, 15-18 and 20-23). 



5. Proceedings and Transactions of the Liverpool Biological 



Society (Vols. III-XI). 



6. The Conchologist or Journal of Malacology (Vols. I-VI). 



7. Journal of Conchology (Vols. I-XVI). 



8. The Canadian Entomologist (Vols. VI-XIX). 



9. Bulletin Scientiiique de la France et de la Belgique (a complete 



set from Vol. I, 1869).* 



10. Forschungs. Biologisch Station zu Plon* (a complete set 



from Vol. I, 1893). 



11. Journal of Parasitology* (a complete set from Vol. I, 1914). 



12. Bulletin de I'lnstitut Egyptien* (from 1889). 



13. Memoires a I'lnstitut Egyptien* (Vols. MX). 



" Among periodicals received in exchange that were not before 

 available the following may be noted : 



Bulletin de la Societe Entomologique d'Egypte. 



Memoires de la Societe Entomologique d'Egypte. 



" Mr. W. J. Simmons was kind enough to present to the library a 

 valuable set of standard Avorks on Infusoria, Entozoa, Algse, etc., for 

 which we have to thank him. They are mentioned in detail in the 



