Known as the Early Journal Content, this set of works include research articles, news, letters, and other writings published in more than 200 of the oldest leading academic journals. The works date from the mid--seventeenth to the early twentieth centuries. We encourage people to read and share the Early Journal Content openly and to tell others that this resource exists. People may post this content online or redistribute in any way for non--commercial purposes. Read more about Early Journal

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... ntent at http://about.jstor.org/participate--jstor/individuals/early-journal--content. JSTOR is a digital library of academic journals, books, and primary source objects. JSTOR helps people discover, use, and build upon a wide range of content through a powerful research and teaching platform, and preserves this content for future generations. JSTOR is part of ITHAKA, a not--for--profit organization that also includes Ithaka S+R and Portico. For more information about JSTOR, please contact support@jstor.org. 451 451 PSYCEOLOGICAL LITERATURE. PSYCEOLOGICAL LITERATURE. in his excellent tabular statements of cases. With the apparatus supplied to state institutions, it iB useless to insist that weight of body, weight of brain and stature should be given in case of every autopsy, but no really available data can be obtained for this country until this is done. For anyone who may wish to repeat and confirm Prout's observations, more exact statement as to the location examined will be necessary, and some indication of the methods employed. Definiteness upon these points would have added greatly to the practical value of the work. Der EinJIt4es des Trigemint4s auf die Hornhat4t. J. GAUL]3:. Centralblatt f. Physiol., Bd. V., pp. 408-15. 1892. Wie beherrsht der Trigemint4s die Ernahrung der Hornhat4t. Ibid., pp. 460-56. Spinalganglien und EIaut. Itid., Bd. V., pp. 689-97. Spinctlganglien des Kaninchens. Ibid., Bd. VI., pp. 313-26. Weitere Experimente an den Spinalganglien t4nd hinteren Wt4rzeln. Ibid., Bd. VI., pp. 785-802. 1893. Die trophischen Verstnderqhngen ?nd die hlt4skelzerreisst4ngen. Ibid., Bd. VII., pp. 646-54. 1894. Die trophzechen Eigenechaften der Nerven. Ber1iner klin. WOChen-SChr.X VO1. XXX., PP. 1065-68 and 1099-1102. Zur Frage ibber die trophisc77en Functionen des lEigemin?l,s. C). ECHARD. Centra1b1. f. PhY#iO1.X Bd. VI., PP. 328-32. 1892. Ueber das Vorkomnzen von Mt4skelzerreisst4ngen an gefesselten Kantnchen. E. E. EERING. Ibid., Bd. VII., No. 18. Erwiderung auf EIerrn I?rof. Ga?6le's Bemerkungen uber die b gefesselten Karwinchen voxkommerbden Mt4skelzerretesungen. H. E. HERING. Ibid., Bd. VIII., pp. 854-7. The above group of papers may be cited as an interesting contribution to the subject of the trophic influence of the nervous system. For several years Gaule has been working to bring some physioloncal explanation to bear upon the array of facts, like that of herpes zoster, decubitus, atrophy of glands and muscles, after their nerves are severed, and many others, which seem to indicate clearly a trophic action of the nerves. Ee begins with the cornea, where effects may be most clearlv observed, and performing Majendie's experinlent on the fifth nerve and Gasserian ganglion, makes GUt definite changes in the cornea, drying and necrosis of the epithelium cells, whol}y dependent on the operation and which cannot be thwarted by any possible protection of the surface. The fifth nerve was cut in differel}t experiments at three points, through the Gasserian ganglion between pons and ganglion and between cornea and gallglion. ine result upon the cornea did not follow when the cut was made between pons and ganglion, and thls at once proves that inserAsibility of the cornea cannot be the cause of its becoming dry, and in consequence, necrotic; but that necrosis of the cells is the cause of its drying, and lzellce that the cells of the Gasserlan ganglion are true trophic centers for the cornea. Thus the usual esplanation is exactly reversed. Similar observations were made upon the skin in frogs and rabbits, the hair interfering with entirely sa$isfactory studnt of the latter. In the frogs, destruction of the 6pinal ganglia was fotlnd to cause changes coln-