AMATOMT OF THE LIZARD. 



495 



Pig. 440.— Anatomy ot a lizard. Sceleporus undulatus. t, trachea J e, carotid artery- 

 <A, thyroid gland ; h, ventricle of the heart— above are the two auricles; lu, lung; 

 /, Jiver turned out; 5, stomach ; j, intestine ; a, vent — above it the cloaca is laid 

 open to discloee the openings (o o) of the kidneys (A); above are the two openin^rs of 

 the oviducts ; n, oviduct : o, ovary ; v, vena cava ; /, fat-body.— Drawn by A. Et. 

 (iray from dissections made by the author. 



