ie iy te i 
FEBRUARY 5, 1914] 
which the metal is heated to a given temperature has 
a considerable influence on the softening of the metal. 
The experiments were carried out on zinc and silver.— 
Marcel Delépine: The iridium chlorides.—Michel 
Longchambon: The réle of magnesia in sedimentary 
cycles.—Maurice Durandard: The ferment of Rhizopus 
nigricans. The mycelium of this mould contains a 
very active ferment: its action on milk is a maximum 
at so° C.—Raoul Combes: The presence of yellow 
pigments capable of being transformed into antho- 
cyanine in leaves and flowers not forming antho- 
cyanine.—Henri Piéron: The decrease of the ratio of 
the latent period to the period of total establishment 
for luminous sensations as a function of the intensity 
of stimulation.—Henri Bierry and Albert Ranc: The 
_ proteid sugar of the blood plasma.—M., Lécaillon: The 
analogies of structure which exist betweent the ovary 
of certain insects and that of certain Branchipodids 
(Chirocephalus stagnalis)—L. Joleaud: The geology 
of the Filfila djebel (Algeria).—J. Repelin: The geo- 
logical constitution of the septentrional part of the 
department of Var.—René Nicklés; The section of the 
Lias, the Infralias, and the Trias of Lorraine in the 
boring of Bois Chaté. This boring was made for 
coal, and penetrates to the Upper Permian. No coal- 
bearing strata were found. 
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