3 Natural Hiftory 



feems to be of the Hgheft Importance, to the Prefervatta 

 anTwell being of this extraordinary compound Ammal. 



The Membrane, or Bladder, as you trace it downwards, 

 1 he MemD , ^^ ^ j,^^.^,^ ^^ ^^^ covermg 



This Stem, wWchis of an Ivory^olou. is Four^.u.. 



SrifcolTt^witl!irfoV:r^\ Ues of the Bafe, where 

 fbegbstocontraft, and come to a Pomt, asatF>g.£ 



-rtu Part is covered with a brownilh yellow Cartilage, 

 whlh^s^^re^dd open, to ftew the fini(h.ng of the bony 

 or ivory Part in the Middle of it. 



Tj- n reorefents the lower Part of the Stem, where the 

 Fig. A '^P'^^"/u„i„s to grow cartilaginous; and is 

 . Membrane or ^^^ly^f^^^f^, of the sTem. the fame 



the natural Appearance ot tnc o 



that is laid open at Fig. E. „ . „. , 



Fig. /, fhews a fmall Part of the Cuticle ftnpt off the up- 

 per Part of the Stem. t- t, n, 

 F-„ r reorefents a Part of the Stem twifted, which De- 

 „.ee''rf Fo-rmuft have happened to it. when . was m a 

 younger and fofter State. ^ 

 FV ff is a crofsSeaion of the Stem magnified, fhewing 



the ffvSl femS:cularL«»«.. i-lofmg one another m 



the feveral Quarters. -^ , a 



Upon endeavouring to cut °ff-Sliceof d.Stem, i^^pd 



aaainft the Knife, as if it were partly Stone, and p y 



ivory- Upon 



