WHITE SHRIMP FROM THE GULF OF MEXICO 



135 



Opf7C 



tract 



\ sto/ccc/st 

 ner~v& 



acc//omotor 

 nerves 



antenna/ 

 nerises. 



nerve to 

 protocep/?a/on / 



a /tractor musc/e ' 



^/an te/wu/ar 

 syf /7&ri/es 



/ 

 / 



^yt&gu/nentat 

 rs' nerves 



suprao<ssophac?&a/ 

 gang/ton 



~apoc/eme 

 ep/stomat 

 stator 

 nyusc/e 



/eft 



circumoe&ophagea/ 

 connect/re 



Figure 75. — Dorsal view of supraesophageal ganglion. Carapace and dorsal muscles removed. 



