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201 



li Internal cerato maxillary muscle. 



L The trachea. 



r Thyroid gland. 



M Membranous bag at top of larynx. 



N Lungs. 



Liver. 



s Ventricle of heart. 



tt Right and left auricles. 



uu Aorta. 



V Great venous dilatation. 



w Internal jugular vein. 



X Lingual vein of right side. 



y Carotid artery. 



z Lingual artery. 



Fig. 7th. — T'his Jigure is intended to explain the manner in which 



1 conceive the prehensile and erectile portions are fitted on the 

 style when in the mouth. 



E The prehensile portion. 



H The erectile portion thrown into plaits, some of which lie 

 round the style, others overlap the back part of the pre- 

 hensile portion. 



Fig. Sth. — M. De la Hire's drawing of the elastic tendons, Sfc. 



BAB A The tendons by which the tongue is kept in a state of 



constant elongation, 

 CC The longitudinal muscle by which it is retracted. 



VOL. XV. / / 



