STUDY X. 3 



There are, farther, feveral remarkable propor- 

 tions which form, with each other, very pleafing 

 harmonies and contrafts : fuch is that of the fore- 

 head, which prefents a quadrilateral form, in op- 

 pofition to the triangle, compounded of the eyes 

 and the mouth ; and that of the ears, formed of 

 very ingenious acouftic curves, fuch as are not to 

 be met with in the auditory organ of animals, be- 

 caufe, in the cafe of mere animals, it is not intended 

 to colled:, like that of Man, all the modulations 

 of fpeech. 



But I muft be permitted to expatiate, fomewhat 

 more at large, on the charming forms, afïïgned by 

 Nature to the eyes and the mouth, which (lie has 

 placed in the full blaze of evidence, becaufe they 

 are the two active organs of the foul. The 

 mouth confifts of two lips, of which the upper 

 is moulded into the fhape of a heart, that form fo 

 lovely, as to have become proverbial for it's 

 beauty ; and the under is rounded into a demi- 

 cylindric fegment. In the opening between the 

 lips, we have a glimpfe of the quadrilateral figure 

 of the teeth, whofe perpendicular and parallel lines 

 contraft mod agreeably with the round forms ad- 

 joining, and fo much the more, as we have feen, that 

 the firft generative term being brought into union 

 with the fupremely excellent harmonic term, that 



b 2 is, 



