1921.] The Eighth Indian Science Congress. cr 
(2) that it is not due to replacement of the original glass of the 
(3) that it isa decomposition product of the magnetite and augite 
of basic rocks ; 
(4) that while in some cases it fills up cavities like zeolites, in 
others the cavities are secondary spreading liar stoped 
out of the rock by the decomposition of some of its consti- 
tuents. 
Asbestos of Saraikela.—By S. C. Dutra. 
The author discusses the vane of formation of the asbestos veins of 
Bana in the district of Singbu 
The clays of Lametaghat.—By K. K. Sen Gupta 
S paper the author gives his reason a thinking that some of 
the =e in the Lameta _ which have hitherto been included under 
the J sk ge tre group do really belong to the sor system. The phy- 
sical and chemical =shecarhores of this Bijawar clay as also its economic 
possibilities are discussed. 
Oryptozoon in the pre-cambrian strata of India.— By 
EK. VREDENBURG. 
imens obtained some years ago by Mr. F. H. Smith, of the Geolo- 
gical Survey of India, fro me limestones ‘of app y Kadapah age 
in the neighbourhood of Raine; have been identified as referable to the 
ge Cryptzoon which is to have ished i rice 
nd Australia from pre-cambrian to lower ordovician times d is the 
oldest undoubtedly org us at presen : ee fen ee peci- 
mens resemble the Australian nO C. tessellatu The e genus is 
probably represented in India also in the Gwalior» series of ‘Central India 
and in the Kadapah series of the Cutenial distric 
A short note oF the Trichinopoly boulder-beds. —By 
H. C. Das-GuPr. 
this paper the author describes the —— nodules occurring 
in ie, mehahber saa d of Utatur. Microscopic sections of nodules. 
show the prese aminifera in them wish vidently are of Utatur 
Atte as i drawn to the palaeogeographical signific the 
distribution of these nodules and mice otk ad ; plant remains 
may have played a part in the production of Ammonium Phos 
necessary doe the pseudomorphie change of Solekaes Cartientito to Calcium 
Phosphate. 
The discovery of the neolithic Indian script.—By 
H. C. Das-Gupta 
n this paper the author discusses the evidences on which the exist- 
ence as neolithic script in India has been based and giv oc 
for ‘drisketiig that the existence of a aaolithic script in India has not = 
established and more conclusive evidences are necessary to prove the 
case. 
