COMPARISONS. 



Rule a sheet of paper with columns for Grasshopper, Beetle, 

 Dragon-fly, and Wasp, and write the answers in each to the 

 following questions : 



(1) Are ocelli present? 



(2) Are the antennal joints equal in size? 



(3) Are the maxillae and labium short and stout, or long and 

 slender? 



(4) Are any of the thoracic rings free? 



(5) Which thoracic ring is the largest? 



(6) Which pair of wings is the larger? 



(7) Describe the general structure of the fore wings. 



(8) How many segments in the abdomen? 



(9) Are any appendages besides those of the ovipositor 

 present on the abdomen? 



(10) With which column should the cricket be placed? 

 Read the sections on Orthoptera (pp. 243 to 246), Hymen- 



optera (pp. 253 to 256), Pseudoneuroptera (pp. 246 to 248), and 

 Coleoptera (pp. 250 to 253). 



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