96 Biographical Account of [Aug. 



Memoirs in the motions on the brain. This work shews 

 that the two motions observable in the brain are the result 

 of the influence of the circulation, and of the respiration 

 on this organ. 



Analysis of the Chyle, 1803. 



Experiments on the influence exercised by the nerves of the 

 Sthpair, on the respiration of animals. — (Memoir read to the 

 Institute, 1812.) 



Experiments upon absorption. In this paper it is proved 

 that bodies are more readily absorbed in proportion to their 

 irritating power ; that their first effect is to increase exhala- 

 tion, the second to augment absorption, and the third to 

 produce inflammation, and that substances are always altered 

 in their state and nature, before being absorbed. 



5. Medicine — Experiments on Diabetes Mellitus. 



Researches on the air of common sewers. He considers its 

 composition to be sulphuretted hydrogen, disengaged by 

 the[putrid matter and azote, resulting from the decomposi- 

 tion of the air of ditches. 



Dupuytren also wrote on yellow fever and cholera, and 

 the biographies of Corvisart, Pinel and Richard. 



According to his request, his body was examined 32 hours 

 after death, on the 9th of February. The following dimen- 

 sions were obtained in measuring the head : — 

 From the frontal prominence to the occipital 



protuberance 14^ inches. 



Circumference of the head by the frontal and 



occipital protuberance 22^ 



From the anterior part of one meatus audi- 

 torius externus to the other, passing over 



the head 13|^ 



Occipito nasal diameter 7 J ,, 



From the frontal prominence to the root of 



the brain (height of forehead), nearly .4 ,, 



The cerebrum, cerebellum, annular protuberance and 

 medulla oblongata, weighed together 3flbs. troy. 



The cerebellum by itself weighed 4|Joz. 



In the right corpus striatum without the optic layer, 

 there was an excavation with brown sides, capable of holding 

 a filbert. In the corresponding position on the left side a 

 similar apoplectic cavity was detected. These were crossed 

 by cellular bridles. 



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