352 Mr Willis on the Mechanism of the Larynx. 



Vkf, the left thyroaryteno'ideus, the right is removed. 

 N I, Nl, cricoarytenoidei postici. 

 The arytenoideus transversus is removed. 

 B, B, the ligaments uniting the arytenoid and cricoid. 

 Fig. 8 is part of Fig. 7 enlarged, to shew the direction of the muscular forces 

 which act on the arytenoid cartilage. 

 QNVS, the right arytenoid. 

 TV, its vocal ligament. 



BRS, the bundle of ligaments uniting it to the cricoid. 

 OP, the projection of its axis of articulation. 

 hg the direction of the force of the thyroaryteno'ideus. 



NX cricoarytenoideus lateralis. 



NW cricoarytenoideus posticus. 



NY i arytenoideus transversus. 



Plate XXIII. 



Consists of figures of apparatus and diagrams which are sufficientlv explained in 

 the text. 



ERRATA. 



Page 333, line 12 from bottom, for Figs. 7, 8, read Figs. 3, 7* 

 838, C from top, after " the point S," iiwerf (Fig. 8). 



