' ( 1595 ') 
A The Arteries. 
B The Veins. 
D The Area^ which is more magnified at Fig the ift. 
Fig 6. 
The lower part of one of the Lobes of a Water Li- 
zard's Lungs, as it appears by the Microfcope, when the 
Blood is retained in the extremities of the VefTels, as in the 
preceeding Figures. 
A A The Trunk of the Pulmonick Artery. 
BB The Vein. 
C C . . . Their Branches, joyning with each other. 
D D The tranfparent fmooth Membrane, which in this 
Creature, is not vificulated, or full of Cells, as in the Lungs 
of Frogs, on which the Blood Veffels are expanded^ nor 
does the Internal furface of this Membrane differ from the 
External , as in Frogs and divers amphibious Creatures^ 
The Lungs of thefe Water Lizards being veficated, and not 
veficulated. 
If, Sir, m this, the Publick or your felf meet with any fa« 
tisfaftion, I (hall think the rime well beftowed, by 
Tour obliged 
Humble Servafity 
Wm Cowper. 
