70 



AORTAL ARTERIES, &c. 



Sect.V. 6. 



about half an inch of the ftem above and below the joint, were cut 



r 



off from fome laft year's twigs, anr'. alfo the caudex of fome herba- 

 ceous plants. Thefe were covered with fand in a crucible placed 

 on the fire, till they were red hot, {o that the 



vegetable 



joints 

 were become charcoal. They were then taken out of the fand, and 



fome immerfed in melted fuet, others in melted bees-wax, others in 

 white paint, and one or two in an amalgama of quickfilver and zinc, 

 which happened to be prepared for the purpofes of electricity. When 



they were cold, on {licing them, fome horizontally, and others ver- 

 tically, I perfuaded myfelf that the blood-vefTels above mentioned, as 

 well as the pulmonary vein and aortal artery, were vifible in the two 



+ 



extremities of the long caudex of the bud, as well as the long trunks 



which conftitute the middl 



of the arteries, veins, 

 part of it. 



and abforbents, 



Ab 



t 

 ^ 



SECT. 



