20 PHYLUM ARTHROPODA 



Exercise 2. Draw an outline of the ventral aspect of the body on the 

 same scale, putting in and labeling all the parts observed. 



Exercise J. Draw the front end of the body on a scale of lo, showing 

 the mandibles and the eight eyes. 



Exercise 4, Draw the pedipalp on a scale of 6. 



Exercise 5. Draw one of the legs on a scale of 6. 



Exercise 6. Cut off the terminal joint of one of the fourth pair of 

 legs and study it under a compound microscope, noting the shape 

 of the claws and the hairs which often surround them. Draw them. 



The internal anatomy of the spider will not be studied in this 

 dissection. 



