Cp88) 
Of their Memalipms^ heobferves the quality of the Im* 
mor^ found in them 5 viz. concreting by the warmth of on's 
hand 5 and leaving a cruft • next, the mucous and rofy- colored 
skin, fuppos'd to t^e the new skin, found under the exterior. 
Then he defcribes tpe various Mufcies , and Fibres , both pa- 
rallel, and oblique, more or lefs 5 together with the infcrtion of 
thcFibres in^verf Ri^gj snd of every Ring in the Cavity of its 
neighbouring Ring , for producing the Progrefli ve Motion of the 
Animal 5 the manner of which is defcribed very particularly. 
Hepaffes on to the Veffels moiftcningall the parts, obfer- 
ving their branches and amfiomofes-j their termination in one 
common trunck , and the curious net- work they make. Thefe 
veffels prolonged 5 he makes to be th^ Lungs, whofe ftru<5lure 
for Refpirati on he diligently defcribes J illuftrating the fame 
with Obfervations made of other Infers 5 and with fome Tri- 
alls (hewing, both that Air iflaes out of their body , and that 
Pily liquors will fuflfocate them , upon the Accompt only of 
flopping the orifice of their Wind^pipe. He inquires alfo. 
Whether the Motion of the Abdomen be neceffary in thefe Infers ' 
for Refpiracion , and feems to incline to the Affirmative. 
From the Lungs he goes on to the Heart , which he faith rea- 
ches from the head to the taile , being of a ftrange figure,and ra- 
ther hearts, than one 5 whofe motion of 5jf/?(?/(? and z>/^/- 
tdie he defcribes , taking alfo notice ^ how the Vitall humor paf- 
fes from one little heart to anotlier. 
The r^;?^r/V/^ heobferves ro reach alfo from one extreanle of 
the Worm to the other 5 defcribing its fubftance , fliape^fibres, 
and veffels bedewing it, together with its refcmblance to the 
Ventricle of other Infects • where he particularly notes the 
great voracity of the Silk-worm, affirming, that it will eat as 
much in one day , as its whole empty body weighs. 
In the fides of the Belly about the Ventricle he finds a Woof 
of Fefels , containing the Silky ^nyce 5 defcribing their progrefs 
from the mouth downeward into the belly , and their ftrange 
flexures and meanders ; whofe^;?/he affirmcs to have at length, 
after a long and patient fearch , found out. Of thefe Veffels he 
makes a large and curious defcription^ as alfo of their different 
Juyces^as the caufe of the different forts of Webbs and Baggs. 
Neither 
