LARYNX AND TRACHEA. 203 



the body of a newborn cbild, which should if possi- 

 ble be injected, so that the mode of distribution of 

 the bloodvessels, especially those of the thynms, may 

 be displayed. 



The concentrated corpuscles jf Hassall which are 

 met with in the thynms can be seen in sections of 

 that organ, but may also be studied isolated in pre- 

 parations of the fresh part teased-out in salt solution. 



