CHAPTER XVII 



PARASITES OF IGUANA, BUFFALO, 

 SHEEP, AND BEE; THE CHEESE MITE 



Ixodes. 



PEAKING generally, the enthusiastic stu- 

 dent of the microscope rarely objects to 

 study any insect or other creature that to the 

 ordinary observer appears unattractive, or even 

 objectionable. He is sure to find something 

 of an attractive or interesting character in 

 some part of its structure or history e.g., the 

 scales on its wings, the complex arrangement 

 of its eyes, its breathing apparatus, its mouth 

 appendages, &c. 



But frequently, beyond all these fascinating 

 materials of study, he has higher aims in view. 

 He is in the pursuit of knowledge. There is 



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