[ 2 S 1 
ing themfelves obliquely backwards : Their Office is 
to draw the Ala upwards and backwards, in order 
to dilate the Noftrils, in which they are afiifted 
by the 
XL. 
Slips, or Elongations of the Occipitofrontalis $ 
Which, as it is continued from thence down the 
Nofe, and dividing at the Middle, terminates on 
each Side, partly in the aforefaid Mufcle, and partly 
in the Skin above it. This Slip I take to be proper 
to the Nofe, and ferves to affift the former in its 
Office, and alfo to wrinkle the Skin of the Nofe, by 
drawing its lower Part upward $ which happens in 
the Aft of 'Derijion, and in many when they laugh 
much. Befides this, Santorini has mention'd another 
new Mufcle, which he calls Mufculus novas tranf- 
verfus , which, like a Saddle, rides crofs the lower 
End of the Bones of the Nofe, and, running over 
the Infertions of the Rin^us, terminate in the Ryra- 
midalis on each Side. This Mufcle is fo exceeding 
thin as not to be diftinguifhed in every Subjeftj and 
as its Ufe, from its Situation, can be only to wrinkle 
the Skin of the Nofe, it may well be fparcd, fince that 
Office is well enough performed by the above-men- 
tioned Mufcle, and by another S/if?, which is a Com- 
panion to the Ryramidalis , whofe Fibres run paral- 
lel to the Nofe, from the great Canthus of the Eye, 
and is inserted into the upper Lip, and in the Ala 
Nafl on each Side. 
E 
The 
