43 



196. Model of a man about 2 feet high, with the skin 

 removed and many of the superficial muscles dissected 

 out. 



From the Pedagogical Museum, St. Petersburg. 



E. 661. 1877. 



The calvaria can be lifted off to expose the brain, which can 

 be taken out ; one hemisphere is still enclosed in the dura mater, 

 the other uncovered ; the two halves separate to show in section 

 the corpus callosum, pons Varolii, and cerebellum. The right side 

 of the face may be removed to show sections of the nose, mouth, 

 pharynx, trachea, and oesophagus. The two lungs, the heart and 

 great vessels, and trachea are movable. In the heart, apertures 

 have been made into both ventricles and the right auricle to show 

 the valves. The diaphragm, liver, and stomach can be removed 

 separately ; as also the intestine and the descending colon, with 

 the rectum and bladder. On the right side the crluteus maximus 



O O 



and gastrocnemins muscles are movable. 



197. Model of a dissection of the right side of the 

 human head and neck. Made by Ramme and Sodtmann, 

 Hamburg. 



Exhibited by G. Gill $ Co. 1878. Price 18s, 6d. 



The superficial muscles, vessels, and nerves are shown. The 

 sterno-cleido-mastoid can be removed to show the course, relations, 

 and chief branches of the common carotid artery and jugular vein. 



198. Model of the anterior part of the human head. 



From the Pedagogical Museum, St. Petersburg. 

 E. 669. 1877. 



The posterior wall of the pharynx is movable so as to show the 

 connexions of the mouth and nose and the position of the 

 epiglottis. The upper half of the model can be lifted off to 

 exhibit the cavity of the mouth. 



199. Model of the human head in vertical section, 

 natural size. Made by Ramme and Sodtmann, Ham- 

 burg. 



Exhibited by G. Gill $ Co. 1878. Price 15s. 



The bones of the skull, cerebrum, tentorium, corpus callosum, 

 pons Varolii, and medulla oblongata are shown, along with the 

 cavity of the mouth and the tongue. 



