THE ACTION OF METALLIC THIOCYANATES UPON ALIPHATIC CHLORHYDRINS.1

The Melting Mechanism of the Alkali Thiocyanates

where Ws and WL represent the number of independent ways of realizing the arrangements of solid and melt respectively and Sf is the entropy of fusion. Each new kind of disorder which occurs on passing from the crystal to the melt involves a new mechanism of randomization on melting. Ubbelohde! has summarized the different ways of randomization in the transition from the solid to the melt as pos...

The Action of Glandular Extracts Upon

The uterine tissue consists of unstriped muscle fibre and ganglia of the sympathetic system imbedded in it. The sacral roots and pelvic nerve do not enter into the composition of the uterine plexus. In the rabbit, irritation of the hypogastric nerve produces vasoconstriction and contraction of the uterus. In cats, stimulation of the hypogastric nerve produces at one time contraction and at othe...

Studies upon the Physiological Action of Hematoporphyrin

Studies upon the Physiological Action of Hematoporphyrin

THE RESULTS OF THESE OBSERVATIONS MAY BE BRIEFLY SUMMARIZED AS FOLLOWS: Feeding of hematoporphyrin to white mice over long periods of time produced no apparent changes in these animals and had no effect upon their sensitivity to light. Albino and slightly pigmented mice and rats injected with hematoporphyrin were protected from the rays of the sun by staining them a blue-black color with Verhoe...

Studies upon the Physiological Action of Hematoporphyrin