- 38 - PHERETIMA. 



113. Ovary. With the aid of a needle and scalpel, dissect out one of the ovaries. 

 Add a drop of alcohol and eosin and examine under the low power. Make a drawing to 

 show the ova in various stages of development. 



114. Development. Draw the demonstration specimen showing egg-cocoon, embryo 

 and young stages. 



