308 MATERIAL. [APP. II 



Special apparatus. 



Lunge's Nitrometer. 

 Soxhlet's Fat-extraction apparatus ^ 

 Arrangement for continuous agitation. 

 Material required. 



Seeds of Cress (Lepidium sativum). 

 „ Sainfoin {Onohrychis sativa). 

 „ Hemp (Cannabis sativa). 

 Young and ripe fruits of Apple. 



„ Banana (Muaa sapientum). 



Bark of Willo-w (Salix vvminalis). 

 Leaves of Pea. 

 „ Barley. 

 „ Clover. 

 „ TropjBolum. 



„ Beet-root or Mangold- wurzel. 

 „ Sycamore. 



„ (Old and young) of Sempervivum tectorum. 

 „ „ Rhubarb, 



,, (of normal) Potato. 

 ,, (of etiolated) Potato. 

 Roots of Beetroot or Mangold wurzel. 

 Graifts of Barley. 

 „ Maize. 

 „ Wheat. 

 Bitter almonds. 

 Fresh Malt. 

 „ Yeast. 

 „ Spirogyra. 

 ,, Shoots of Elodea canadensis, or Spa/rganium natans. 



^ Sleieher and Sohiill have recently introduced paper shells for use with 

 Soxhlet's apparatus in place of the inner tube, which are very satisfactory. 



