LIST OF ILLUSTRATIONS 



Plate I. — The walking human skeleton (Albinus) . 

 Plate II. — The muscles of the human body (Albinus) 



End of book 



I. A diagram to show the parts of which an internal-combustion 

 engine is made up 



2 A. Charge stroke 



2B. Compression stroke 



2C. Driving stroke 



2D. Exhaust stroke . 



3. Plan of vertebrae in the lower or lumbar part of the spinal 



column. (A) A lumbar vertebra looked at from above to 

 show its levers ; (B) Three lumbar vertebras showing the 

 discs between them which act as buffers .... 



4. A drawing of the biceps of the right arm showing its tendons, 



its vessels, and its nerve 



5. (A) A primitive muscle fibre or cylinder in an uncontracted 



state ; (B) A cylinder in a state of contraction with its nerve 

 fibre 



6. Showing the manner in which capillaries are arranged among 



muscle cylinders 



7. Showing the anterior brachial muscle which flexes the forearm, 



and the posterior brachial or triceps which extends it . 



8. Showing the brachial and triceps muscles replaced by internal- 



combustion engines 



9. Showing a chisel 10 inches long used as a lever of the first 



order '. 



ix 



10 

 12 

 12 

 12 

 12 



24 



29 



35 



37 



42 



42 



48 



