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The spleen is generally regarded as an appendage to the absorbent system. Tiedemann and Gmelin consider that its specific function is to secrete from the blood a fluid which possesses the property of coagulation, and which is carried to the thoracic duct, and then, being united with the chyle, converts it into blood, and causes an actual communication between the arterial and absorbent systems.
And, therefore, when an intelligent traveller gives a direct account from personal inspection of the miserable condition of the Homoeopathic hospital at Leipsic, the first established in Europe, and the first on the list of the ever-memorable Manifesto, it is easy enough answer or elude the fact by citing various hard names of "distinguished" practitioners, which sound just as well to the uninformed public as if they were Meckel, or Tiedemann, or Langenbeck.
It is by no means pretended that these conclusions of British observers as to the affinity in cerebral structure of Man and the Primates are new, but on the contrary that they confirm the inductions previously made by the principal continental teachers of the last and present generations, such as Tiedemann, Cuvier, Serres, Leuret, Wagner, Schroeder van der Kolk, Vrolik, Gratiolet, and others.
"After spending in this way two years in Zurich, I was attracted to Heidelberg by the great reputation of its celebrated teachers, Tiedemann, Leuckart, Bronn, and others.
It chanced, however, that in one of the first acquaintances made by Louis in Heidelberg he found not only a congenial comrade, but a friend for life, and in after years a brother. Professor Tiedemann, by whom Agassiz had been so kindly received, recommended him to seek the acquaintance of young Alexander Braun, an ardent student, and an especial lover of botany.
It seems that Professor Tiedemann, who must have had a quick eye for affinities in the moral as well as in the physical world, had said to Braun also, that he advised him to make the acquaintance of a young Swiss naturalist who had just come, and who seemed full of enthusiasm for his work.
Tiedemann first published an account of the brain of the young Orang, while Sandifort, Muller and Schlegel, described the muscles and the viscera of the adult, and gave the earliest detailed and trustworthy history of the habits of the great Indian Ape in a state of nature; and as important additions have been made by later observers, we are at this moment better acquainted with the adult of the Orang-Utan, than with that of any of the other greater man-like Apes.
As to the HIPPOCAMPUS MINOR Tiedemann had erroneously asserted its absence in the Apes; but Schroeder van der Kolk and Vrolik had pointed out the existence of what they considered a rudimentary one in the Chimpanzee, and Gratiolet had expressly affirmed its existence in these animals. Such was the state of our information on these subjects in the year 1856.
It has been supported by a succession of men, such as Tenon, Dufau, Foissac, de Lapouge, and Richet in France; Tiedemann and Seeck in Germany; Guerrini in Italy; Kellogg and Starr Jordan in America. The case is indeed overwhelming.
Tiedemann first published an account of the brain of the young Orang, while Sandifort, Muller and Schlegel, described the muscles and the viscera of the adult, and gave the earliest detailed and trustworthy history of the habits of the great Indian Ape in a state of nature; and as important additions have been made by later observers, we are at this moment better acquainted with the adult of the Orang-Utan, than with that of any of the other greater man-like Apes.
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