47 

 genitalia were studied in glycerin, and moved into various 



positions to see the shape of the muscle attachment at the 



anterior end of the internal sac. The shapes of this 



structure and the flagellum were important in solving many 



of the species problems. When finished, the genitalia were 



returned to the genitalia vial and pinned under the 



appropriate specimen. 



The "stridulatory files" were not studied for many 

 species since this required removing the head from the 

 body. This type of dissection destroyed the specimen, and 

 I was not willing to sacrifice the few specimens available 

 for most species. 



Illustrations were made with the use of a glass-grid 

 insert placed in an ocular of the dissecting microscope. 

 The imposed grid on the specimen was used as reference and 

 the drawing was made on a piece of grid paper. It was 

 necessary to make various adjustment to each of the 

 drawings, because the curvature of the lenses produced 

 distortions. This was most apparent when comparing the 

 finished pencil drawing and the specimen without the aid of 

 the microscope. The drawings were then traced in India ink 

 onto tracing paper with a 000 Koh-i-nor Rapidograph® 

 technical pen, scanned into electronic form using a Hewlett 

 Packard Scanjet IIP, finished using CorelDRAW® 2.01 (a 

 computer graphics program) on a Unisys 486 personal 

 computer, and printed with an Apple LaserWriter® II. 



