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The influence of hydrolysis of MBBA by residual water on its transition temperature is investigated. The overall rate constant of this reaction is determined. The electrochemical properties of MBBA and of the products formed by its hydrolysis (p-butylaniline and p-n-anisaldehyde) are described and related to the electrical behavior of an MBBA sample during a long application of a dc voltage p-butylaniline, the most electroactive of the three compounds, is shown to be responsible for the rapid degradation of the displays filled with MBBA.

The designing of DNA intercalating drugs with high DNA affinity in the series of ellipticine has led to a new antitumoral agent, 9-hydroxyellipticine, which has a high DNA affinity, a high activity on L 1210 mice leukemia, and a lack of toxicity at therapeutic dose. The possible correlations among chemical structure, DNA reactivity, and pharmacological activity of DNA intercalating drugs are discussed.

During my stay at Tenby last summer, I had some opportunities of studying the new and singular animal Dysteria, the subject of Professor Huxley’s excellent memoir in the January number of the f Quarterly Journal? While I cannot but admire the skill with which he has worked out the interior structure, some parts of which presented to my own investigations insuperable difficulties; and while, in respect to most of the details which I did succeed in resolving, I agree with him; I had, before his memoir was published, formed a different judgment as to its zoological position.

It is always a pleasant thing to meet Mr. Gosse in print, whether he ushers himself into the world from the Red Lion press in Pæternoster Row, or obtains the sanction of “the Committee of General Literature and Education appointed by the Society for Promoting Christian Knowledge.” Why Mr. Gosse publishes his books under the direction of a Society for promoting Christian knowledge at all we are at a loss to perceive, for we find nothing in this book that might not have been published by Mr. Van Voorst, or the most sceptical publisher in the Row. We are, in fact, a little jealous of religious societies publishing books of this sort, both on the grounds that such books are not strictly Christian, and that funds are appropriated to their production to the injury of the regular publisher which were not intended for this object. It is true that this does not in any’ way interfere with the quality of the work, and this is with what we have more particularly to do. As its name would imply, Mr. Gosse’s book is a popular introduction to working with the microscope. It differs, however, from other introductions to the microscope, that it contains no account of the structure of the microscope at all. This is really a feature, albeit a negative one, in the book. As reviewers bound to read every word of every book we notice, we are glad for once to deal with one on the microscope without anything about the microscope at all.

In a first part of the study, we shall give a description of the mathematical model of the two kinds of metallurgic furnaces of reheating, that is : -the impelling furnace where the thermic exchanges are unidirectional (continuous sheet).-the furnace with stringers into which a given space is kept between two products..

In this country hydatid disease of the lung is very rare, though the provisional X-ray diagnosis may not be uncommon before its true pathology is recognised. The submission is here made that the diagnosis of hydatid disease in the case to be described is established.

A Right-Sided aorta is of such rarity as to prompt this communication with an account of its radiological appearances. The case had a clinical interest as well, though for over fifty years of his life the developmental abnormality had caused neither anxiety nor concern to the patient.