58 ZOOLOGY. 



(d) Muscle. From wall of stomach, from heart, from 

 skeletal muscles. 



(e) Nerve Fibres. Small portion of nerve of frog or cat. 

 2. The teacher should secure permanent mounts of sections 



of cartilage, bone, and tooth showing dentine and enamel. 

 Properly stained preparations of glandular tissue, of nerve 

 cells and their branches, and of reproductive epithelium (see 

 appendix), will greatly assist the pupils in securing an accurate 

 idea of these tissues and their work. 



