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- W3022795401 abstract "UNDOUBTEDLY, as the editor remarks in his preface to the above work, there, has been a great desire on the part of teachers of physiology, in this country to obtain a complete text-book on their subject, written in English, somewhat similar, to the classical Haridbuch of Hermann. Prof. Schafer, with the aid of some of the best-known physiologists in Britain at the present day, has succeeded in bringing out a work which, if one may judge from the first volume, is destined to supply more or less completely the want that has been so long felt. It is a text-book essentially intended for advanced students; and although all the parts are not treated with like fulness, still the fact remains undoubted that at present no text-book in English is so complete as this one. The first volume deals practically entirely with the subject from the chemical standpoint. The first two chapters, by Halliburton, on the chemical constituents of the body and food, and on the chemistry of the tissues and organs respectively, are praiseworthy in so far as they give a fairly full account of the subjects with which they deal. But, seeing that these chapters must contain from their very nature many of the points to be discussed afterwards under special chapters, it would have been better, perhaps, had they been slightly shorter and more interestingly written. Then, again, a number of errors have crept in that ought not to have appeared. For example, the statement that the sugars are designated according to the number of carbon atoms they contain is hardly correct, as one may see by taking one of the examples given in the book. Rhamnose, although it contains six carbon atoms, is not a hexose but a pentose, viz. a methyl-pentose CH3(CHOH)4COH. They are designated not by the number of carbon atoms they contain, but by the number of oxygen atoms they possess. Here and there careless methods of expression are used, especially in the case of the sugars. Levulose is a ketone of sorbite as well as mannite. The note at the foot of p. 6 is slightly vague in meaning. Of course, as the writer says, the letters d,l, i do not refer to the rotatory power of the sugars, but. to their genetic relationship to a fixed aldo-hexose. The letters. only agree with the rotatory power in the cas,e.of the natural aldo-hexoses. Small points here and there are vaguely expressed. There is absolutely no doubt that vitellin is, not a globulin, but a nucleo-albumin. The statement, that Kossel has described four nucleic acids corresponding to four separate nuclein bases is hardly correct. He merely surmised that there might be a nucleic, acid furnishing on decomposition a single definite alloxur base, and he based this supposition upon his investigation of the nucleic acid obtained from the nuclein of the thymus gland, which he at first termed adenylic acid because he imagined that adenin only was obtained from its decomposition. This, of course, has been shown by Kossel himself to be incorrect. Up to the present no such nucleic acids have been prepared. Again, it is more than doubtful whether any genetic relationships exists between hæmatqgen and hæmoglobin, as Bunge thought. The way in which the iron is bound in the former is absolutely different from that iri the case of the latter Again, there are points of; the greatest interest that might have been put,in a more interesting fashion; for example, the extremely important relationship between chitin and chondrin. The classification of the proteids which is given is not, a particularly good one. There are too many repetitions, and the divisions into which the author has classed the different members are so scattered that it is difficult to grasp the subject at all well, There are many other points that would have been the better for a little fuller description, e.g. carnic acid (Siegfried) and the paired acids of glycuronic acid. Text-book of Physiology. Edited by E. A. Schäfer Vol. i. (Edinburgh and London: Young J. Pentland, 1898.)" @default.
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- W3022795401 date "1898-05-01" @default.
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- W3022795401 title "Text-book of Physiology" @default.
- W3022795401 doi "https://doi.org/10.1038/058073a0" @default.
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