XViii Annual Report. {[February, 1913.. 
CHEMISTRY. 
Allylammonium Nitrite —By Prarutta CHanpRa Ray 
and Rastk Lat Datta. 
On Isomeric Allylamines——By PraruLta CHANDRA Ray 
and Rasrk Lat Darra. (Preliminary Communica- 
tion). 
CH;.CO 
OH. co? : Na.— 
Preliminary note on Sodium diacetamide 
By Jirenpra Natu Raksuir. 
Piperazinium Nitrite—By Prarutta CHanpra Ray and 
JireENDRA Natu Raxsuit. (Preliminary Communica- 
tion). 
A wossible chemical method of distinguishing between 
seasoned and unseasoned Teak-wood.— NU 
CHANDRA Srrcar, M.A., F.C.S. 
Puysics. . 
Note on the Secular Cooling of the Earth and a Problem in 
Conduction of Heat.—By D. N. Matix. 
Notes were also read on “ Further Spreading of Croton 
sparsiflorus (Moruna),’’ by I. H. Burkill, “ emi- 
cal Affinity,’’ by M Banerji, and ‘‘ The Classification, 
Bae 
Habits and Nidification of the Ravens of India,’’ by P. T. L 
of living Pedipalpi, by F. H. Gravely, who contributed a note 
for the Proceedings on the distribution of the order. 
Anthropology and Allied Sciences. 
Much of the work published by the Society as ‘‘ Philo- 
ogy, i 
vanished races. In the J 
