DESCRIPTION OF PLATES. 307 



e, A plexus of lymphatics, which having passed over the 

 brim of the pelvis at c, having entered the cavity of the pelvis, 

 and received the lymphatic vessels belonging to the viscera 

 contained in that cavity, next ascends, and passes behind the 

 iliac artery to g. 



fj Some lymphatic vessels of the left side passing over the 

 upper part of the os sacrum, to meet those of the right side. 



g, The right psoas muscle, with a large plexus of lymphatics 

 lying on its inside. 



h, h t The plexus lying on each side of the spine. 



i, i, i, Spaces occupied by the lymphatic glands. 



k, The trunk of the lacteals lying on the under side of the 

 superior mesenteric artery. 



/, The same dividing into two branches, one of which passes 

 on each aide of the aorta ; that of the right side being seen to 

 enter the thoracic duct at m. 



m, The thoracic duct beginning from the large lymphatics. 



n, The duct passing under the lower part of the cms dia- 

 phragmatis and under the right emulgent artery. 



o, The thoracic duct penetrating the thorax. 



p, Some lymphatic vessels joining that duct in the thorax. 



q, The thoracic duct passing under the curvature of the 

 aorta to get to the left subclavian vein ; the aorta being drawn 

 aside to show the duct. 



r, A plexus of lymphatic vessels passing upon the trachea 

 from the thyroid gland to the thoracic duct. 



