24 BIOLOGY FOR BEGINNERS 



Test for Fats. To test for fats the substance should be crushed 

 as finely as possible and treated with ether. This will dissolve 

 out any fat that may be present and can then be poured off. When 

 the ether evaporates the fat will remain in the dish. 



COLLATERAL READING 



See index of any Chemistry Text for the Compounds mentioned. General 

 Biology, Sedgwick and Wilson, pp. 33-40; Biology, Bailey and Coleman, 

 Introduction; Elementary Biology, Peabody and Hunt, pp. 13-25; Chemis- 

 try of Plant and Animal Life, Snyder, see index; Source, Chemistry and 

 Use of Food Products, Bailey, pp. 1-24; Food Products, Sherman, pp. 1-23; 

 Botany for Schools, Atkinson, pp. 13-19. 



